Two different samples of matter are measured in each of these glass containers. Both of the containers show the same measure for both samples of matter. The samples most likely to have volume in common.
How do you identify the problem?The specific inertial and gravitational mass, as well as the volume it takes up, can be used to identify matter. A substance can exist in three basic states: solid, liquid, and gas.
What is volume, exactly?Volume is a three-dimensional measurement that's used to gauge a solid shape's capacity. It implies that a closed form's volume determines how much space it can occupy in three dimensions.
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Answer:
The correct answer is volume
Hope it helps
Explanation:
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.
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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Two objects have the same total thermal energy. They are different sizes. are they at the same temperature ? Explan.
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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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
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.To learn more about : the law of conservation of mass
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This is what I need answered
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
Which of these is the source of the energy that plant cells use for photosynthesis?
Choose the correct answer.
Responses
radiant energy from the sun
radiant energy from the sun
kinetic energy from the wind
kinetic energy from the wind
potential energy from the soil
potential energy from the soil
mechanical energy from animals
Radiant Energy from the sun is the source of the energy that plant cells use for photosynthesis. The first response is the correct answer.
Nearly all of the energy on Earth comes from the sun. Through a process known as photosynthesis, it enables plants and other organisms to convert water and carbon dioxide into sugars.
The function of sunlight in photosynthesis is to supply energy. Heat and light are two different types of energy that the sun emits.
Chlorophyll can capture energy, which can then be converted into sugar during photosynthesis. Photosynthesis slows down when a plant receives insufficient sunlight. This implies that the plant's energy source—sugar—might not be getting to it in sufficient amounts. We can clearly see how crucial sunlight is to life.
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what is the hybridization about a central atom that has three total electron groups, with two of those being bonding groups and one being a lone pair?
The shape becomes bent V-shaped AND, molecular geometry is a triangular planar shape.
In the hybridization model, the number of hybrid orbitals used by the central atom is the same as the number of electron groups around the central atom. Thus, 2 electron groups (linear) = sp hybridization
If there are only three total electron groups, holding the place where two of those are bonding groups and one is a lone pair. then the shape becomes bent V-shaped, 2 bonds and 1 lone pair the shape is bent. For sp² hybridized central atoms the only possible molecular geometry is a triangular planar shape.
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independent variable and dependent variable
states with a larger population have more seats in the house of representative
Answer
Explanation:
Give the names of all of the above acids
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?.
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
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
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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Takisha conducted an experiment to determine the effect of salt on the boiling point of water. She measured the boiling points of 100 ml of water with salt added in 5 g increments. As a control, she also recorded the temperature of water with no salt added. What is the purpose of this control?.
The purpose of this control is that it provides a reference value for comparison while doing experiment.
Salt (NaCl) is a Non-volatile means that it does not evaporates readily when heated.
When a non-volatile substance is added to volatile substance. The boiling point of the volatile substance get increased. This phenomena is called elevation in boiling point (colligative property).
She has measured the temperature of the water with no salt added so that she could compare it with the temperature when salt is added in the water.
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How does quantum theory relates to Nanoparticles in Medicine please provide as much info as possible need help ASAP
Certain metal-based nanoparticles have the potential to interact with the hydrogen peroxide found in every cell and change it into a hydroxyl radical that can enter the nucleus and cause DNA damage.
What purposes do nanoparticles serve?Scratch-resistant eyewear, crack-resistant paint, anti-graffiti coatings for walls, transparent sunscreen, stain-repellent fabrics, self-cleaning windows, and ceramic coatings for solar cells are all products made with nanoparticles today.
Where can one find nanoparticles?In addition to living matter, naturally produced nanoparticles can also be found in volcanic ash, ocean spray, fine sand, and dust (e.g. viruses). The diversity of synthetic nanoparticles is on par with that of its counterparts in nature, if not greater.
Are nanoparticles accepted by the FDA?The usage of nanoscale materials in medications, medical devices, biologics, cosmetics, and food is anticipated to rise significantly in the coming years, according to the FDA, which has already assessed and authorized a few nanotechnology-based items.
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4. What mass of magnesium oxide is formed when 96 g of magnesium reacts with
oxygen?
2Mg + O₂ → 2MgO
Answer:
The mass of MgO formed is 160g
Explanation:
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compare and contrast the arrangements of particles at the atomic level for a liquid and a solid
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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"The higher the temperature of a gas at constant volume, the greater is its * 10 points
pressure." Which of the following kinetic-molecular explanations of this
principle is NOT correct?
O Molecules move faster at higher temperatures.
The number of molecular impacts per unit area decreases at a higher temperature.
The average kinetic energy of molecules is greater at a higher temperature.
O
The average momentum and rate of molecular collisions is greater at a higher
temperature.
The option that shows that the kinetic-molecular explanations of this principle is NOT correct is option B: The number of molecular impacts per unit area decreases at a higher temperature.
What is the kinetic-molecular theory?The assumption that matter is made up of microscopic particles that are always in motion forms the foundation of the kinetic-molecular theory, which explains the states of matter.
Therefore, based on the use of observable characteristics as well as the use of behaviors of solids, liquids, as well as gases are known to be explained by kinetic-molecular theory.
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Are animal cells prokaryotic or eukaryotic .
Are plant cells prokaryotic or eukaryotic .
What is the Mass divided by Volume? And also what is the Density
Calculate the mass in kilograms for
204 mol BrCl3
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.
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?.
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?
How are liquid volume measured? In other words, what are the SI units for liquid volume?
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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In the first reaction of the citric acid cycle, oxaloacetate, which contains blank______ carbons, is combined with acetyl-coa, which contains blank______ carbons in its acetyl group, to produce citric acid, which contains blank______ carbons.
Four-carbon, four-carbon, four-carbon molecule.
What is citric acid cycle?In eukaryotes, the citric acid cycle occurs in the matrix of mitochondria, as does the conversion of pyruvate to acetyl-CoA. In prokaryotes, these two steps occur in the cytoplasm. The citric acid cycle is a closed loop; the last part of the pathway re-forms the molecule used in the first step. There are eight main steps in the cycle.
In the first step of the cycle, acetyl-CoA combines with a four-carbon acceptor molecule, oxaloacetate, to form a six-carbon molecule called citrate. After a rapid rearrangement, this six-carbon molecule releases two of its carbons as carbon dioxide molecules in two similar reactions, each time releasing a molecule of NADH.
Start superscript, 1, end superscript. The enzymes that catalyze these reactions are important regulators of the citric acid cycle, speeding it up or slowing it down depending on the energy requirements of the cell^2 2
squared.
The remaining four-carbon molecule undergoes a series of further reactions that first produce a ATP molecule-or, in some cells, a similar molecule called GTP and then the electron carrier FAD to for_2FADH 2, start subscript, 2, end subscript, and finally generation of another NADH. This reaction sequence regenerates the starting molecule oxaloacetate, allowing the cycle to be repeated.
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larger rocks are broken down to form smaller rocks which over time, form the basis for soil.
true or false
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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Please help me answer this question. 3H₂C2O4+2K₂MnO4 → 6CO₂ +2K₂O + Mn₂O3 + 3H₂O
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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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?
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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Under conditions of extreme heat and pressure, sedimentary rock can transform into metamorphic rock. True or false?
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!
1.What are the key components represented in the model shown in Figure 2?
2.What relationships are shown in the Figure 2 model?
1. The key component represented in the model is the Reflection of light.
2. Bouncing back of light relationships are shown in the Figure 2 model.
Reflection is when mild bounces off an item. If the surface is smooth and bright, like glass, water or polished metal, the light will reflect at the same angle as it hit the floor. This is known as specular reflection. light reflects from a clean floor on the same angle as it hits the floor.
In line with the law of reflection, the attitude of prevalence equals the perspective of reflection. To view an image of an object in a mirror, you should sight alongside a line at the photo area.
Reflection is the bouncing back of light while it moves a easy surface. Refraction is the bending of light rays whilst it travels from one medium to some other.
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Which of the following is an example of a heterogeneous mixture? *
a teaspoon of sucrose
a gold ring
a handful of pebbles
O a pot of salted pasta water
A pot of salted pasta water is an example of a heterogeneous mixture.
Heterogenous mixture :If a mixture's composition varies over the course of the mixture, it is said to be heterogeneous. Vegetable soup is a complex concoction. The proportions of the different vegetables and other ingredients will vary from mouthful to mouthful. Mixtures that contain two or more phases are said to be heterogeneous. Examples include ice cubes in a beverage, sand and water, and salt and oil.
What is a homogeneous mixture?A homogenous mixture is one whose composition is constant across the entire mixture. Because the soluble salt is distributed evenly throughout the whole salt water sample, the salt water described above is homogenous.
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P4O10 + H2O —>
what are the products
Answer:
P4O10 + H2O → H3PO4
Explanation:
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.
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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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
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 problemIron (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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convert 125.0g H2O to molecules