a 9.10 l container holds a mixture of two gases at 51 °c. the partial pressures of gas a and gas b, respectively, are 0.324 atm and 0.867 atm. if 0.110 mol of a third gas is added with no change in volume or temperature, what will the total pressure become?

Answers

Answer 1

The total pressure become 1.514 atm

What will the total pressure become?

According to Dalton's Law of Partial Pressures, the partial pressure of a gaseous component in a gaseous mixture is equal to the pressure that the component would produce if it inhabited the container alone.

hence,

[tex]P_{mixture} = P_{A} + P_{B} +P_{C}[/tex]

We are given [tex]P_{A}[/tex]and[tex]P_{B}[/tex], but we must determine [tex]P_{C}[/tex]. We may do this by assuming ideality and using the following formula:

[tex]P_{C}= \frac{0.110 mol . 0.0821 . 326}{9.10} =0.323atm[/tex]

[tex]P_{mixture} = P_{A} + P_{B} +P_{C}[/tex]

              =0.324 + 0.867+0.323

              =1.514 atm

The total pressure become 1.514 atm

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Related Questions

The image below shows charged particles bouncing around.

Answers

Plasma state of matter is mostly represented in the image

A state of matter is a way to describe the behavior of atoms and molecules in a substance and there are three common states of matter which is solids means relatively rigid, definite volume and shape and they vibrate in place but don't move around and plasma is the the when at the very temperature of stars atom loses their electron and the mixture of electron and nuclei that result` in plasma state of matter

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convert 125.0g H2O to molecules

Answers

memorise the formula :)

The law of _____ states that the mass of the reactants will equal the mass of the products.
conservation of energy
conservation of mass
conservation of momentum
inertia

Answers

The law of conservation of mass states that the mass of the reactants will equal the mass of the products.

What is the law of conservation of mass?The law of conservation of mass states that matter cannot be created or destroyed in a chemical reaction. For example, when wood burns, the mass of the soot, ashes, and gases equals the original mass of the charcoal and the oxygen when it first reacted. So the mass of the product equals the mass of the reactant.Physical and chemical changes can cause matter to transform into different forms, but no matter what happens, matter is always conserved. There is no creation or destruction of matter; the amount of matter is the same before and after the transformation.

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Under conditions of extreme heat and pressure, sedimentary rock can transform into metamorphic rock. True or false?

Answers

Answer:

Sedimentary rocks like bituminous coal, limestone, and sandstone, given enough heat and pressure, can turn into nonfoliated metamorphic rocks like anthracite coal, marble, and quartzite. Nonfoliated rocks can also form by metamorphism, which happens when magma comes in contact with the surrounding rock

Explanation: THEREFORE I'D SAY TRUE!

What is the dipole moment of an HBr molecule, whose bond length is 0.141 nm?
4.81 D
5.98 D
6.77 D
3.67 D


6.11 D

Answers

The dipole moment of the hydrogen bromide HBr molecule is equal to 6.77 D. Therefore, option (C) is correct.

What is a dipole moment?

A dipole moment can be determined from the product of the magnitude of the charge and the distance between charges and is represented by the Greek letter ‘µ’.

The bond dipole moment arises between two atoms of different electronegativities in a chemical bond.

μ = q × d

Where: μ is the bond dipole moment, q is the magnitude of the partial charges, and d is the distance between them.

Given, the bond Length of HBr = 1.41 A° = 1.41 × 10⁻¹⁰ m.

The charge on H and Br atoms =  1.6 × 10 ⁻⁹ C

Therefore,

Dipole Moment of HBr =  Distance × Charge

Dipole Moment =  1.41 × 10⁻¹⁰ ×  1.6 × 10 ⁻¹⁹

Dipole Moment = 2.25882 × 10⁻²⁹ C.m  

The conversion factor of one-coulomb meter is equal to 2.9989  ×10⁻²⁹ Debye

Therefore,

Dipole Moment = 2.25882  ×10⁻²⁹ × 2.9989  ×10²⁹

Dipole Moment of the HBr = 6.77 Debye.

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Background: PTC testing is a method used to predict a genetic trait for bitter tasting ability.
People who are dominant taste PTC (phenylthiocarbamide) [P], and people who are recessive
do not taste PTC [p]. This trait is passed genetically from parents to their children, so that if a
person has the trait, then at least one of their parents has the trait as well. (Use the letter P to
represent the alleles)
Write the genotype for people who do not taste PTC:
• Are they homozygous or heterozygous?
Write the possible genotypes for people who do taste PTC:_
Are they homozygous or heterozygous?
Purpose: In this activity, you will taste two pieces of paper to see if you are dominant
or recessive for the genetic trait. You will use this information to predict the possible genotypes
and phenotypes for your parents.
Biology Content Standard:
2e. Students know why approximately half of an individual's DNA sequence comes from
each parent.
Hypothesis:
Do you think you will be a Taster or a Non-Taster?
Pre-lab Questions:
1. What is a genotype?
2. What is a phenotype?
3. What is a dominant trait?
4. What is a recessive trait?
Page

Answers

Following are the answers related to traits of genes.

How do genotypes work?

Gene pool as a whole is characterized by the term "genotype," which roughly refers to an organism's genetic make-up. The term can also be used in a more precise sense to refer to the several alleles, or variations of a gene, that an organism possesses.

Describe the phenotype.

A person can be recognized by their phenotypes, which include things like height, eye color, and blood type. A person's phenotype is influenced by both their genotype (genotype) and environment.

A dominating attribute is what?

refers to a trait that develops more frequently than another trait due to interactions between gene alleles.

A recessive characteristic is what?

a trait that is only present in homozygous genotypes; a trait that is frequently concealed by other inherited characteristics but persists in a population of heterozygous genotypes.

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for the sn2 reaction, draw the major organic product and select the correct (r) or (s) designation around the stereocenter carbon in the organic substrate and organic product. include wedge‑and‑dash bonds and draw hydrogen on a stereocenter.

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The correct (R) or (S) designations for stereocenter carbons are as follows: (S) is the organic substrate, and (P) is the organic product (R).

The substrate is designated as S the reaction's result as R. As a result. The SN2 reaction's mechanism can be summed up as follows: This nucleophilic substitution process only requires one step.

Due to the involvement of two reactants in the step that determines the rate, the reaction is referred to as the SN2 reaction.

The electrophile is attacked by the nucleophile in the reaction's mechanism, causing a transition phase in which the electrophile's alkyl group leaves and the nucleophile forms a new bond with the substrate that is still present.

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A chargers particle is know as a

Answers

      An ion is an atom or collection of atoms where the number of electrons and the number of protons are different. A positive ion, also known as a cation, is a particle that exists when the number of electrons exceeds the number of protons.

What does an atom's ion mean?

      Because they have an equal number of protons and electrons, atoms are neutral particles. Ions are electrically charged particles that can be created by either taking electrons away from neutral atoms to form positive ions or adding electrons to neutral atoms to produce negative ions.

What makes something an ion?

    Depending on whether the number of electrons in an atom is greater or less than the number of protons in the atom, an atom can develop a positive charge or a negative charge. An atom is referred to as an ION when it is drawn to another atom due to an imbalance in its electron and proton numbers.

An ion is it an element?

    Any element that has a variable ratio of protons to electrons, producing either a positively or negatively charged atom, is said to contain an ion. It is relatively easy to determine whether an element is an ion.

How come ions originate in elements?

       To become a noble gas configuration, elements create ions in order to become more stable. They lose or gain electrons to create ions, which results in a fully filled outer shell configuration and subsequently stability.

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Iron(III) chloride, FeCl3, can be made by the reaction of iron with chlorine gas. How much iron, in grams, will be needed to completely react with 878.0 g of Cl2?




Have both the unbalanced and balanced chemical equations.

Explain how to find the molar mass of the compounds.

Explain how the balanced chemical equation is used to find the ratio of moles

Explain how many significant figures your answer needs to have.

The numerical answer

Answers

Answer:

I don't have how to do that in numerical figures

The amount of iron, in grams, that is needed to completely react with 878.0 g of  [tex]Cl_2[/tex] would be 460.392 grams

Stoichiometric problem

Iron (III) chloride is produced by reacting iron with chlorine as follows:

[tex]Fe + Cl_2 --- > FeCl_3[/tex]

The balanced equation of the reaction goes thus:

[tex]2Fe + 3Cl_2 --- > 2FeCl_3[/tex]

The mole ratio of iron to chlorine is 2:3.

Recall that: mole = mass/molar mass

Molar mass of [tex]Cl_2[/tex] = 35.5 x 2

                             = 71 g/mol

Mole of 878.0 g  [tex]Cl_2[/tex] = 878/71

                                 = 12.3662 moles

From the mole ratio, the equivalent mole of Fe from 12.3662 moles  [tex]Cl_2[/tex] will be:

 12.3662 x 2/3 = 8.2441 moles

Mass of 8.2441 mole Fe = mole x molar mass

Molar mass of Fe = 55.845 g/mol

Mass of 8.2441 moles Fe = 8.2441 x 55.845

                                         = 460.392 grams

The numbers in the final multiplication operation have 5 significant figures each. Thus, the significant figure of the final answer will also be 5.

in other words, the amount of iron needed to completely react with 878.0 g of  [tex]Cl_2[/tex] is 460.392 grams.

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A researcher grew a plant in an illuminated chamber with 18o-radiolabeled co2. After allowing time for photosynthesis, where will the radiolabeled 18o be found?.

Answers

After allowing time for photosynthesis, the ¹⁸O-radiolabeled CO₂ will be found in glucose, C₆H₁₂O₆ in the plant.

What is photosynthesis?

Photosynthesis is the process by which green plants manufacture their food using the energy of sunlight.

During photosynthesis, plants convert carbon dioxide, CO₂, and water vapor present in the atmosphere to glucose using the energy of the sunlight to power the reactions.

Considering the given research work:

A researcher grew a plant in an illuminated chamber with ¹⁸O-radiolabeled CO₂.

After allowing time for photosynthesis, the ¹⁸O-radiolabeled CO₂ will be incorporated into the glucose produced by the plant during photosynthesis.

The glucose produced is then stored as starch.

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Complete question:

A researcher grew a plant in an illuminated chamber with ¹⁸O-radiolabeled CO₂. After allowing time for photosynthesis, where will the radiolabeled ¹⁸O be found?

A. O₂ in the chamber

B. H₂O in the plant

C. H₂O vapor in the chamber

D. C₆H₁₂O₆ in the plant

suppose you have 50.0 ml of a solution of hcl of unknown concentration. you use a 0.10m solution of ca(oh)2 as titrant and it requires 13.5 ml of this titrant to reach the endpoint. what was the original ph of the unknown solution?

Answers

The pH value of the unknown solution that underwent titration was 1.27.

First, we write the balanced reaction equation between HCl and calcium hydroxide:
[tex]2HCl + Ca(OH)_{2}[/tex]  → [tex]CaCl_{2} + 2H_{2}O[/tex]

So we know that 1 mole of calcium hydroxide reacts with 2 moles of HCl. We now calculate the amount of calcium hydroxide used in the titration:
c = n/V ⇒ n = V*c = 0.0135 L * 0.10 M = 0.00135 mol

The amount of HCl will be twice the amount of calcium hydroxide, so 2 * 0.00135 mol = 0.0027 mol.

We can now calculate the concentration of HCl in the original solution (and, because HCl is a strong monoprotic acid, the concentration of H+ ions will be equal to the concentration of HCl):

c = n/V = 0.0027 mol / 0.05 L = 0.054 M

pH value is a negative logarithm of concentration of H+ ions:

pH = -log0.054 = 1.27

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Our students are deficient in Iron ,formulate a
mineral tablet for your age group containing Iron and
how to test its purity

Answers

Ferrous fumarate: medicine to treat iron deficiency anaemia - NHS.

What causes iron-deficiency anemia?Anemia is a disorder in which the blood does not contain enough healthy red blood cells. Iron deficiency anemia is a prevalent type of anemia. The body's tissues receive oxygen through red blood cells. Iron deficiency anemia, as the name suggests, is brought on by a lack of iron.Your chance of developing issues that affect the heart or lungs, such as an unusually quick heartbeat (tachycardia). Heart failure, where your heart is unable to pump enough blood around your body at the proper pressure, may increase if you have severe iron deficiency anemia.

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A student is trying to determine which type of poison will most effectively eliminate the ant problem in their home. they purchase two types of ant bait. one brand they place on the kitchen counter. the second brand they place just outside their front door. is this a controlled experiment? why or why not? include the term "variable" in your answer.

Answers

No, it cannot be held under the controlled experiment example. This is because the dependent variable is where we test the poison and the independent variable is the choice of valid poison.

Also, according to the definition of a controlled experiment all experiments are controlled experiments when factors other than the independent variables are held constant. But as you can see here the dependent variable is different.

Also, in this experiment, one drug was placed on the kitchen counter and another was placed on the doorstep. Kitchen counters can attract more odors from food/sweets than front doors so it's clear that both toxins aren't given an equal chance. And this may result in more ants getting trapped and dying from the poison on your kitchen counter, and fewer ants on your front door regardless of effectiveness.

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The mean temperature of the sample is 62 degrees fahrenheit, and the mean number sold is 14. What is the correlation between the temperature and the number sold?.

Answers

The value of correlation Coefficient which measures the strength of the relationship between temperature and the number of soup bowls sold will be - 0.8516.

What is correlation coefficient?

The correlation coefficient can be described as a statistical measure of the strength of a linear relationship between two variables.

We have the table :

Temperature (°F) ________ Number sold

57 ___________________________ 17

75 ___________________________ 12

43 ___________________________ 20

68 ___________________________ 8

67 ___________________________ 13

Use  technology, Excel or linear correlation calculator; the correlation Coefficient obtained will then be, R = - 0.8516

The negative value gotten shows that there is a negative relationship between temperature and the number of bowls of soup sold.

We can conclude that there is a strong relationship between the two variables because the value of R, is close to - 1.

Therefore, a strong negative correlation exists between temperature and the number of bowls of soup sold.

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The full question is below:

A food truck owner recorded the temperature at noon, in degrees Fahrenheit, and the number of bowls of soup sold during the lunch hour for a random sample of 5 days. The data are sh

following table.

Temperature (degrees Fahrenheit)

Number sold

57

17

75

12

43

20

68

8

67

13

The mean temperature of the sample is 62 degrees Fahrenheit, and the mean number sold is 14. What is the correlation between the temperature and the number sold?

Two objects have the same total thermal energy. They are different sizes. are they at the same temperature ? Explan.

Answers

No, they won't be at the same temperature because a larger object needs to be at a lower temperature than a smaller object in order for them to have the same total amount of thermal energy.

Definitions and examples of thermal energy:

Thermal energy can be seen in the boiling of water on a stove. When a substance's atoms and molecules vibrate more quickly as a result of a rise in temperature, thermal energy is created.

How does thermal energy function?

Although thermal energy doesn't exert force in the sense of a push or a pull, it does produce particle movement in an item or system. When high thermal energy particles come into contact with another object, they cause the object to move more and perform work as a result.

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Please help me answer this question. 3H₂C2O4+2K₂MnO4 → 6CO₂ +2K₂O + Mn₂O3 + 3H₂O

Answers

This is a redox reaction where the C₂O₄ is being reduced to CO₂ and the K₂MnO₂ is being oxidized to Mn₂O₂. The overall reaction is the reduction of C₂O₂ to CO₂ and the oxidation of K₂MnO₂ to Mn₂O₂.

Redox response definition:

Redox (reduction-oxidation) is a chemical reaction that happens when the oxidation states of the substrate change. Losing electrons or raising an element's oxidation state is the process of oxidation. When an element or one of its atoms obtains electrons or experiences a fall in oxidation status, reduction can take place.

There are two types of redox reactions and electron transfers, in which one electron normally goes from the reducing agent to the oxidant. Two terminology that are frequently used to describe this kind of redox reaction are electrode potentials and redox couples. Atom transfer is the transfer of an atom from one substrate to another.

This is a redox reaction.

The half-reactions are:


Oxidation: 3H₂C2O4 + 2K₂MnO₄ → 6CO₂ + 2K₂O + 2Mn₂O₃ + 3H₂O
Reduction: 2MnO₄⁻ + 16H⁺ + 6e⁻ → 2Mn⁺² + 8H₂O

The overall reaction is the sum of the oxidation and reduction half-reactions.

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4. What mass of magnesium oxide is formed when 96 g of magnesium reacts with
oxygen?
2Mg + O₂ → 2MgO

Answers

Answer:

The mass of MgO formed is 160g

Explanation:

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For each molecule of glucose, glycolysis only makes 2 atp, the krebs cycle only makes 2 atp and the etc makes 34 atp. If the suspects had given jared the 2-deoxyglucose poison, would the decrease in atp concentration be smaller, the same or larger as when they used cyanide? explain your answer.

Answers

It can be argued that the decrease in ATP concentration will be larger when using 2-deoxyglucose than when using cyanide.

When cyanide is introduced into the organism, it binds to the cytochrome C oxidase protein in the complex IV of the electron transport chain, inhibiting the entire mechanism and stopping the process of ATP production, thus depriving the organism of the 34 ATP molecules produced.

2-deoxyglucose, on the other hand, is transformed to 2-deoxyglucose-6-phosphate and immediately inhibits the entire glycolysis process so not even the 4 ATP molecules gained through glycolysis and Krebs cycle cannot be acquired, denying the entire 38 ATP molecules to the organism.

However, it should be noted that, while glycolysis is an important mechanism for acquiring NADH and FADH2 needed for ETC, they can be gained through other processes, such as oxidative lipid degradation, and cyanide makes that pathway unusable as well.

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larger rocks are broken down to form smaller rocks which over time, form the basis for soil.

true or false

Answers

Larger rocks are broken down to form smaller rocks which over time, form the basis for soil is True.

Weathering is the decomposition or dissolution of surface rocks and minerals. When rock is mined rock fragments and minerals are carried away through a process called erosion. Water acids salts plants animals and temperature changes are all factors in weathering and erosion.

The process of breaking down large rocks into smaller pieces and sand is called weathering. The process of breaking down large rocks into smaller pieces and sand is called weathering. Weathering is a term that describes the general process by which surface rocks break down into sediments, clays, soils, and dissolved substances in water. The weathering process usually begins when the crust is lifted by tectonic forces.

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draw the expected product of the curved arrow mechanism. draw the appropriate number of hydrogens on each oxygen. be sure to draw a charge and the non‑bonding electron pairs.

Answers

The expected product of the curved arrow mechanism is shown in the image.

By using the curved arrow mechanism, it can be shown that one lone pair or non-bonding electron pair of Oxygen atom attacks the 6th Carbon atom to form one O – C bond. Immediately, the C – O bond between the 6th Carbon atom and the 8th Oxygen atom breaks, and as a result one non-bonding electron pair of the 8th Oxygen atom increases.

For displaying electron transfers between atoms, chemists have created their own convention. The term "curved arrow formalism" or "curved arrow mechanism" refers to this.

The curved arrow's function is to depict the transfer of electrons from one site to another. Movement or migration of electrons occurs from the tail to the head.  The majority of the arrows you'll see have a double-barb at the head that symbolizes the motion of two electrons.

Another technique to track changes in formal charge is with curved arrows:

The atom at the "tail" will formally "lose" one electron due to the donation of a pair of electrons from the "tail," increasing the charge of the atom by one.

Additionally, the atom at the "head" will formally "gain" one electron because two electrons are received at the "head," thereby making the charge negative by 1.

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an atom of U-235 absorbs a neutron and produces an atom of Sb-123, four neutrons and an unknown nuclide, X. Write the decay equation to represent this reaction and identify the other nuclide, X, formed in this reaction

Answers

The decay equation to represent the nuclear fission reaction in which an atom of U-235 absorbs a neutron and produces an atom of Sb-123, four neutrons, and an unknown nuclide, X is given below:

²³⁵₉₂U + ¹₀n → ¹²³₅₁Sb + ¹⁰⁹₄₁X + 4 ¹₀n

The nuclide X is Niobium Nb-109.

What are nuclear reactions?

Nuclear reactions are reactions that involve changes i the nuclear composition of the atom of elements involved in the reaction.

Nuclear reactions are of two types:

Nuclear fission - this involves the splitting of the nucleus of a heavy atom or large atoms into the nucleus of two or more lighter atoms.

Nuclear fusion - this is the process by which the nucleus of a heavy atom is produced as a result of the fusion or combination of the nucleus of atoms of two or more lighter elements.

The given reaction in which an atom of U-235 absorbs a neutron and produces an atom of Sb-123, four neutrons, and an unknown nuclide, X is an example of nuclear fission reaction.

The decay equation to represent this reaction and the other nuclide, X, formed in this reaction is given below:

²³⁵₉₂U + ¹₀n → ¹²³₅₁Sb + ¹⁰⁹₄₁X + 4 ¹₀n

The nuclide X is Niobium Nb-109.

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How are liquid volume measured? In other words, what are the SI units for liquid volume?

Answers

We can measure the volume of a liquid by using the graduated cylinder and the SI unit which is used for the liquid volume is cubic meter (m3).

How can we measure the volume of liquid?

Simply we can find or measure the volume of a liquid by using either a graduated cylinder or with the help of the burette. As this is clear from the name of the graduated cylinder is that cylinder in which we can measure the volume of a liquid. The graduated cylinder is sealed from one end and opened from the other side. The scales are also drawn on the graduated cylinder for finding the values.

The SI unit which is used for the liquid volume is called a cubic meter (m3). It is a derived unit. Liter (L) is a special name for the cubic decimeter (dm3). The symbol for the liter is the uppercase letter “ell” (L) is desired to keep away from the danger of misunderstanding among the lowercase letter “ell” (l) and the number one (1).

So we can conclude that graduated cylinder is used for measuring the volume of a liquid and the liquid volume is cubic meter (m3).

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This is what I need answered

Answers

The question requires us to order the steps given in a way that they properly represent how to prepare and label a solution.

To prepare a solution from a solid solute, we must calculate the amount of solute and solvent necessary, weigh the mass of solute and add it to a proper flask, add enough water to prepare the solution (as previously calculated) and then correctly label the solution with its molarity.

Considering the steps given and the information above, and also taking into consideration that all possible answers allow only three steps, we can choose the following order:

1) "calculate and mass the number of grams of solute needed, add to flask" (V)

2) "add enough water to make the total necessary volume of solution" (VI)

3) "label the solution with the correct molarity" (I)

Therefore, this is the order of steps to prepare the solution: V - VI - I

The best option to answer this question is the third one (letter C).

the answer would be V,VI,I

b. What is the atomic mass of the element in period 5, group 14?

Answers

Answer:

118.71 u

Explanation:

Tin. Tin is a chemical element with the symbol Sn (for Latin: stannum) and atomic number 50. It is a main-group metal in group 14 of the periodic table.

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TIN. Tin is a chemical element with the symbol Sn and atomic number 50. It is a main-group metal in group 14 of the periodic table.

In the electrolysis of molten magnesium chloride, the overall reaction is: MgCl2(l) → Mg(s) + Cl2(g) (a) Write the half reactions, (b) identify which species is being oxidized and which is being reduced, and (c) calculate the minimum voltage needed to separate magnesium chloride into its elements.

Answers

In the electrolysis of molten magnesium chloride;

a. the half reactions are as follows:

Reduction half reaction: Mg²⁺ + 2 e⁻ → Mg (s)

Oxidation half reaction: 2 Cl (aq) →  Cl₂ (g)

b. magnesium ion is reduced whereas chloride ion is oxidized.

c The minimum voltage required to separate magnesium chloride into its elements is 386000 C of electricity.

What is electrolysis?

Electrolysis is the decomposition of a substance known as an electrolyte when an electric current is passed through a solution or molten form of the substance.

During electrolysis, oxidation and reduction reactions occur that can be split into half equations.

In the electrolysis of molten magnesium chloride, the overall reaction is given below:

MgCl₂ (l) → Mg (s) + Cl₂(g)

a. The half reactions are as follows:

Reduction half reaction: Mg²⁺ + 2 e⁻ → Mg (s)

Oxidation half reaction: 2 Cl (aq) →  Cl₂ (g)

b. Based on the half equations given above, the magnesium ion is reduced as it accepts two electrons to become a neutral magnesium atom. Chloride ion is oxidized as two chloride ions lose two electrons to become chlorine gas.

c The minimum voltage required to separate magnesium chloride into its elements is determined from the moles of electrons involved in the reaction.

Magnesium ion and chloride ions require two moles of electrons each to become the neutral element. Thus, 4 moles of electrons are required.

4 moles of electrons = 4 * 96500 C of electricity

4 moles of electrons = 386000 C of electricity.

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what is the standard enthalpy of combustion of ethane? (b) what is the specifi c enthalpy of combustion of ethane? (c) is ethane a more or less effi cient fuel than methane?

Answers

Ethane gas, C2H6(g), has a combustion enthalpy of roughly -1.5*103 kJ/mol.

Compared to pure methane, gaseous blends with ethane as a component have higher thermal efficiency and shorter combustion times.

Calculate the amount of fuel that has been burned in moles?

This can be accomplished by calculating the difference between the mass of the fuel before and after the water has heated. Calculate how much energy is released by one mole of the material. By dividing by 1000, you may obtain the answer in KJ. This gives you the J/mol-1.

What factors affect combustion enthalpy?

The amount of H in a reaction is determined by the physical states of the reactants and products (gas, liquid,).

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Find the balance net ionic equation CaCO³(s) + HNO³(aq) →

Answers

Answer:

Not sure why the 3s are on the top, unless they are charges.

But the answer is: 2HNO3 + CaCO3 → Ca(NO3)2 + H2O + CO2

Explanation:

Calculate the mass in kilograms for

204 mol BrCl3

Answers

The molar mass of Br is 79.904 grams/mole and the molar mass of Cl is 35.453 grams/mole.

There are 3 Cl atoms so we'll multiply it's molar mass by 3. So:

35.453 x 3 = 106.359

Now we add this number to the molar mass of Br and we get:

106.359 + 79.904 = 186.263

The molar mass of BrCl3 is 186.263 grams/mole

Now we just multiply this number by the amount of moles in the question which is 204.

186.263 x 204 = 37997.652 g which is 37.997652 kg or 38.0 kg if significant figures are important.

What is the Mass divided by Volume? And also what is the Density​

Answers

Density is the mass of an object divided by its volume. Density is mass of a unit volume of a material substance

compare and contrast the arrangements of particles at the atomic level for a liquid and a solid

Answers

The arrangements of particles at the atomic level for a liquid and a solid are compared as the particles in gas do not follow any specific order and are uniformly spaced out.

There is no regular arrangement of liquids next to one another. The solids are regularly arranged and closely packed. Since liquid particles are more dispersed than solid ones, they take on the shape of their container rather than having a distinct shape yet having a distinct volume. Because solid particles are more closely packed together and certain solids even have atomic-level particle patterns, they have a distinct shape that does not alter unless the solid changes state.

The arrangement of the particles in a liquid is more haphazard than that of the particles in a solid. But since they are closely packed, the atoms of solids and liquids are comparable.

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