Match the parts of the following chemical equation to the correct description.
CL2(g)+ALCl3(aq)-->__I2(aq)+___AlCl3(aq)
Column A. Column b
1.Cl2 + AlI3. a. Products
2.I2 + AlCl3. b. Shows which way the reaction progresses
3.(g) or (aq). c. Reactants
4.-->. d. State of Matter


PLEASE ANSWER QUICK

SO32-(aq) ==> SO42-(aq)  ...  unbalanced

SO32-(aq) + H2O ==> SO42-(aq) ...  balanced for O

SO32-(aq) + H2O + 2OH- ==> SO42-(aq) + 2H2O  ...  balanced for O and H using base OH-

SO32-(aq) + H2O + 2OH- ==> SO42-(aq) + 2H2O + 2e-  ...  balanced for O, H and charge = balanced equation

What is half-reaction?

Half-reaction is the oxidation or the reduction reaction of a redox reaction. The oxidation is given as the loss of electrons, and reduction is given as the gain of electrons.

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[tex]\quad \huge \quad \quad \boxed{ \tt \:Answer }[/tex]

[tex]\qquad \tt \rightarrow \:7 [/tex]

____________________________________

[tex] \large \tt Solution \: : [/tex]

Iodine (I) has 7 electrons in its outermost shell, so the lewis dot symbol for I has 7 dots ( representing 7 valance electrons )

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Answer:

everything in OUR solar system revolves around the sun

Explanation:

the sun is the only star in our solar systen

Answer: Everything in our solar system revolves around the sun

Explanation: everything in our milky way revolves around the sun but in other solar systems it does not because that is a completely different solar system with most likely a different sun so yes in OUR solar system

In the citric acid cycle, the conversion of NAD to NADH triggers the conversion of malate to oxaloacetate. NAD is a(n) reduced to NADH, the oxidizing agent, in this process.

In a redox chemical process, an oxidizing agent is a material that obtains or "accepts" or "receives" an electron from reducing agent (also known as an oxidant, oxidizer, electron recipient, or electron acceptor) (called reductant, reducer, or electron donor). So then every substance that oxidizes another substance is an oxidant. By saying that the oxidizers "undergo reduction" and "are reduced" while reducers "undergo oxidation" and "are oxidized," it can be indicated that the oxidizer's oxidation state, which characterizes the degree of the electron loss, falls while the reductant's increases. Oxygen, hydrogen peroxide, and halogens are the frequently used oxidizing agents.

An oxidizing agent is a chemical species that goes through a chemical reaction in which it obtains one or more electrons, to put it simply. It is a part of an oxidation-reduction (redox) reaction in that sense. An oxidizing agent, in the second sense, is a chemical species that donates electronegative atoms, often oxygen, to a substrate. Atom-transfer reactions are found in many explosives, combustion, and organic redox reactions.

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Answer: 2

Explanation: Every non-zero digit is a significant digit.

Answer:

2 significant figures.

Explanation:

38 contains 2 significant figures.

Hydrogen, Scandium , Lanthanum, Aluminium, Helium are the five elements we will discuss the periodic framework.

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Answer:

I don't understand much that I need to know more

The equations of the reaction are given below:

The mass in grams of ethanol present at the beginning of the reaction was 196.0 g to four significant figures.

The equation of the reaction of the combustion of ethanol is given below as follows:

The unbalanced  equation: C₂H₅OH + O₂ ---> CO₂+ H₂O

The balanced  equation:  C₂H₅OH + 3 O₂ ---> 2 CO₂+ 3 H₂O

The mole ratio of ethanol to water is 1 : 3

Considering the given question:

If 230.0 g of H2O is produced during the combustion of ethanol, how many grams of ethanol were present at the beginning of the reaction?

The mass of water produced depends on the mass of ethanol present.

The molar mass of water, H₂O =  2 * 1 + 16 = 18.0 g/mol

The molar mass of ethanol, C₂H₅OH = 12 * 2 + 1 * 6 + 16 = 46 g/mol

Mole of water produced = 230 / 18 = 12.78 moles

Moles of ethanol reacted = 12.78 / 3

Moles of ethanol reacted = 4.26 moles

Mass of ethanol reacted = 4.26 * 46

Mass of ethanol reacted = 195.96 g

Mass of ethanol reacted = 196.0 g to four significant figures

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Answer:  a large number of plants with a small number of carbon sources.  

Explanation:  the Formula for photosynthesis is

6CO2 + 6H2O → C6H12O6 + 6O2

So to use the carbon dioxide from the atmosphere to produce sugar and oxygen the more the atmosphere CO2 is available rather than other sources of carbon would allow plants to fully utilize the CO2 in the atmosphere.  

a large number of plants would use more CO2 than a small number of plants.  

According to the Van’t Hoff factor, 0.01M [tex]ZnCl_2[/tex] will have the lowest freezing point.

The difference between a substance's concentration as determined by its mass and the concentration of particles that are actually formed when it dissolves is known as the Van 't Hoff factor, or i.

The quantity of ions that are produced during the dissolution of an ionic substance is the ideal Van 't Hoff factor.

According to Van’t Hoff factor, i, NaCl = 2

Therefore, 2 x 0.01 = 0.02M

According to Van’t Hoff factor, i, [tex]ZnCl_2[/tex] = 3

Therefore, 3 x 0.01 = 0.03M

ΔT = i x m x Kf

Higher the concentration of the particles, the lower the freezing point will be.

Therefore, 0.01M [tex]ZnCl_2[/tex] will have the lowest freezing point among the two solutions.

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Chemical element chlorine has the atomic number 17 and the symbol Cl. The second-lightest halogen, fluorine is situated between bromine and fluorine in the periodic table and has most of its features in the middle of those two elements. Chlorine is an odorless, yellow-green gas at room temperature.

Chlorine is found in nature in the ratios of 75.53% and 24.47% as the isotopes "CI35" (atomic mass = 34.969 amu) and "CI37" (atomic mass = 36.966 amu). The atomic masses of the two chlorine isotopes are 35 u and 37 u.

The two chlorine isotopes, 35Cl and 37Cl, have a respective ratio of 3:1.

Cl-37 atoms has a total of 37 nucleons—17 protons and 20 neutrons—make up its nucleus. Natural chlorine is composed of chlorine-37, which makes up 24.23%, and chlorine-35, which makes up 75.77%. This gives chlorine atoms in bulk an apparent atomic weight of 35.453(2) g/mol.

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The correct number of significant digits, the product of 0.01200 and 45.9 is the right answer 0.5508.

The above number has only one significant digit because if there is a zero before the decimal point only the non-zero digits after the decimal point are significant digits. Three rules are used to determine the number of significant digits Non-zero numbers are always valid. All zeros between two significant digits are valid. Only trailing zeros or trailing zeros in the fractional part are significant.

Rounds a number to three significant digits the same way it rounds to 3 decimal places. Count up to 3 digits from the first non-zero digit. Then round off the last digit. Pad the remaining digits to the right of the decimal point with zeros. All zeros between two non-zero digits are valid. For example, 10,007 has 5 significant digits. If the zeros are both to the right of the decimal point and to the left of the non-zero digits, they don't matter.

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The plant's glucose, C6H12O6, will include the 18O-radiolabeled CO2 when enough time has passed for photosynthesis. Option D

Green plants use the power of sunshine to produce their nourishment via a process called photosynthesis.

In the process of photosynthesis, plants use the energy of the sun to drive chemical processes that transform atmospheric carbon dioxide, or CO2, and water vapor into glucose.

Taking into account the provided research:

In an illuminated room with 18O-radiolabeled CO2, a researcher cultivated a plant.

The 18O-radiolabeled CO2 will be absorbed into the glucose the plant produces during photosynthesis when enough time has passed for photosynthesis.

After being generated, glucose is subsequently 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

The masses of each of the substances after the reaction is;

Let us recall that the limiting reactant is the reactant that is present in the least amount that is possible. This implies that  once the limiting reactant is exhausted, then the reaction would have to come to a stop.

Now;

Number of moles of iron III oxide = 960 g/160 g/mol = 6 moles

Number of moles of CO = 420 g/28 g/mol = 15 moles

Now;

1 mole of iron III oxide reacts with 3 moles of CO

x moles of iron III oxide reacts with 15 moles of CO

x = 1 mole * 15 moles / 3 moles

= 5 moles

Hence iron III oxide is the excess reactant

It the follows that;

Mass of iron;

If 3 moles of CO produced 2 moles of Fe

15 moles of Co would produce 15 moles * 2 moles /3 moles = 10 moles

Mass of Fe = 10 moles * 56 g/mol = 560 g

Mass of carbon dioxide

3 moles of CO produced 3 moles of carbon dioxide

Mass of carbo dioxide =  15 moles * 44  g/mol = 660 g

Mass of iron III oxide left over;

1 mole * 160 g/mol = 160 g

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The label of a bag of potato chips that contains 20 chips using calorimetry will be 400,000J.

Calorimetry is the science of measuring the heat absorbed or evolved during the course of a chemical reaction or change of state.

A bomb calorimeter is a type of constant-volume calorimeter in which material is burned to measure its heat content.

According to this question, a bomb calorimetry measurement indicates that a single potato chip has a heat content of 20,000J. This amount is specifically for only one chip, hence, the amount of multiple chips can easily be calculated as follows:

Heat energy of 20 chips = 20,000J × 20 chips

Heat energy of 20 chips = 400,000J

Therefore, 400,000J of energy will be on the label bag.

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The mass of water produced from 50 g of hydrochloric acid and excess potassium hydroxide is determined to be 24.7 grams.

The balanced chemical reaction of equation is :

HCl + KOH  →  H₂O + KCl

First we will convert the mass of HCl from grams to moles,

Molar mass of HCl = 1.008 g/mol + 35.45 g/mol

Molar mass of HCl = 36.45 g/mol

Then, we will convert the mass of H₂O from grams to moles,

Molar mass of H₂O = 2 x (1.008 g/mol) + 16.00 g/mol

Molar mass of H₂O = 18.01 g/mol

Now, we will calculate the moles of HCl

Moles of HCl = Given mass

                         Molar mass

Moles of HCl =  50 g     = 1.37 mol

                         36.45 g

We know that,

1 mole of HCl is required to produce 1 mole of water

Then, 1.37 mole of HCl forms 1.37 mole x 18.01 g = 24.7 grams

                                                          1 mole

Hence,

The mass of water produced is 24.7 grams.

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The equilibrium concentration [tex]k_{c}[/tex] = 0.57.

Equilibrium is when the rate of the forward reaction equals the rate of the reverse reaction. All reactant and product concentrations are constant at equilibrium.

Given reaction:

co(g) + [tex]H_{2}o[/tex] <--> [tex]co_{2}[/tex](g) + [tex]H_{2}[/tex](g)

co = 1 mole

[tex]H_{2}o[/tex] = 1 mole

[tex]H_{2}[/tex] = 0.43 mole

Each reactant is mixed in a 1 liter flask.

equilibrium concentration = ?

Equilibrium amount:

co = 1 - 0.43 = 0.57 mole

[tex]H_{2}o[/tex] = 1 - 0.43 = 0.57 mole

[tex]co_{2}[/tex] = 0 + 0.43 = 0.43 mole

[tex]H_{2}[/tex] = 0 + 0.43 = 0.43 mole

Then, equilibrium concentration

co = 0.57/1 liter = 0.57 mole

[tex]H_{2}o[/tex]  = 0.57/1 lite r= 0.57 mole

[tex]co_{2}[/tex] = 0.43/1 liter= 0.43 mole

[tex]H_{2}[/tex] = 0.57/1 liter = 0.57 mole

[tex]k_{c} = \frac{[H_{2} ][co_{2} ]}{[H_{2}0 ][co]}[/tex]

[tex]K_{c} = \frac{0.43.0.43}{0.57.0.57}[/tex]

[tex]k_{c}[/tex] = 0.57

Hence, The equilibrium concentration [tex]k_{c}[/tex] = 0.57.

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Group on the periodic table has the largest number of elements is group 3

The periodic table is a tabular array of the chemical elements organized by atomic number from the element with the lowest atomic number, hydrogen, to the element with the highest atomic number and the atomic number of an element is the number of protons in the nucleus of an atom of that element

Group 3 which comes under transition metals is the longest group consisting 32 elements and it contains lanthanide means 57 to 71 and actinide series means 89 to 103 and this comes under f block family

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The student observed the solution before it wind put into the flame and realized it was similar in texture and colour to,  the lithium chloride the teacher showed them. When they  saw that both lithium chloride and the unknown produced a red flame, they were sure that the unknown must have been lithium chloride as well

A compound refers to a substance consisting of identical molecules composed of atoms of two or more chemical elements.  That is called a chemical compound. A chemical compound means a chemical substance consisting of several similar molecules containing elements of several elements.

Most notably, these molecules are linked by chemical bonds.  A chemical formula expresses the number of atoms of each element in a molecule of a compound. In addition, this chemical formula uses standard abbreviations for chemical elements with numerical signatures.

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Answer:

The ion will repel the substance because it has more electrons than protons.

Explanation:

there are more electrons (negative) than protons (postitive)

According to the solving the density of the marble is:

D = 2.5 g/cm^3

The amount of mass that a substance has per unit volume is known as its density. If two materials occupy the same volume, the one with a higher density would weigh more than the one with a lower density.

Utilizing the density formula is another approach to determining an object's weight-to-volume ratio. Since you only need to perform one operation to find it, the computation is not too difficult.

The density formula is as follows:

D = m / v,

where:

D - density;

m - mass; and

v - volume.

m - 5grams

v - 2cm

D -

Putting the value in the formula we get:

D = 5/ 2,

D = 2.5 g/cm^3

According to the solving the density of the marble is:

D = 2.5 g/cm^3

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The change in the potential energy of the cars would be the same since they started moving from the same position.

The potential energy is the energy that is possessed by a body by virtue of its position. We know that when we move the object from one point to the other, the potential energy of the object would vary.

Now we have Lucia has two identical toy vehicles (purple and pink) that start on opposite sides of a center magnet that cannot move. She moves both vehicles one space closer to the center magnet. Let us note that the potential energy would begin to change as the cars begin to move from one point to another.

We have to note that the positions of the vehicles are the same and this would imply that the changes in the potential energy of the vehicles would be the same.

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A negatively charged core nucleus and one or more orbiting negatively charged electrons make up an atom. Neutrons and positively charged protons are present.

A gas has 6.023 * 10 23 atoms per mole.

The order is -

sulfur hexafluoride > Hydrogen > carbon dioxide  > nitrogen gas > helium gas

The inorganic compound sulphur hexafluoride, has the formula SF6. It is a gas that has no colour, no smell, is not combustible, and is not harmful. The octahedral geometry of SF 6 is made up of six fluorine atoms attached to one another.

The letter H and atomic number 1 stand in for the chemical element hydrogen. The lightest element is hydrogen. Hydrogen is typically a gas with the formula H2 made up of diatomic molecules. It is very combustible, tasteless, colourless, odourless, and non-toxic.

The molecules that make up carbon dioxide each have one carbon atom covalently doubly bonded to two oxygen atoms. It's a gas when it's at room temperature.

Nitrogen is the name of the chemical element that has the letter N and the atomic number 7. It is a common element in the universe and is thought to rank ninth in terms of overall abundance in both the Milky Way and the Solar System.

Chemical element helium has the atomic number 2 and the symbol He. It is the first member of the noble gas group in the periodic table and is a colourless, odourless, tasteless, non-toxic, inert, monatomic gas.

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0.003 moles of NaOH was used in the titration.

The concentration of an identified analyte can be found using a simple laboratory technique called titration. As a standard solution with a given concentration and volume, a reagent known as the titrant or titrator is created.

By using a solution with a known concentration to measure the concentration of an unknown solution, this process is known as titration. To a known volume of the analyte (the unknown solution), the titrant (the known solution) is typically added from a buret until the reaction is finished. To ascertain the unknown concentration of an identifiable analyte, titration, commonly referred to as titrimetry, is a widely used quantitative laboratory analytical technique (Medwick and Kirschner, 2010). Volume measurements are a crucial component of titration

Concentration in mol/dm3 =

Amount of solution mol

= concentration in mol/dm3 × volume in dm3

Amount of sodium hydroxide

= 0.100 × 0.0250

= 0.00250 mol

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The compound that is not equal to 1 mole is 26 grams of calcium

A mole of a compound contains 6.02 x 10^{23}  atoms.

6.02 x 10^{23}  atoms of carbon = 1 mole

6.02 x 10^{23} molecules of oxygen = 1 mole

No. of moles = Atomic mass / Molar mass

No. of moles of nitrogen = 14 / 14 = 1 mole

14.0 grams of nitrogen = 1 mole

No. of moles of calcium = 26 / 40

26.0 grams of calcium = Not equal to 1 mole

Thus, the compound that is not equal to 1 mole is 26 grams of calcium

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A scientists is scientific knowledge established through direct observation and remains constant. Scientific knowledge can change with facts and conduct of experiment.

Scientific theories that have been accepted for a long time may change throughout time. Changes in societal, political, or religious ideas could occur together with new scientific discoveries. To obtain a deeper understanding, students should perform historical research on the era when scientific theories were developed.

Observations and supporting data are the basis of scientific understanding. It could change as new facts and observations are discovered. Examining recent discoveries will advance science.

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Answer:

concentrated solar energy

Explanation:

Solar thermal power systems use concentrated solar energy

All solar thermal power systems have solar energy collectors with two main components: reflectors (mirrors) that capture and focus sunlight onto a receiver.

Answer:

atoms in the nucleus

Explanation:

if you read very well

The solution to 1.56 x 65.3211 should have 9 significant figures

This is further explained below.

Generally, The digits of a number that are dependable and essential to convey the amount of anything are referred to as the number's significant figures when the number is written using positional notation.

Generally, the equation for the  expression is mathematically given as

E=1.56 x 65.3211

Therefore

E=1.56*65.3211

E=101.900916

The answer to 1.56 multiplied by 65.3211 need to have nine significant numbers.

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a)The 4.48 mol H₂O₂ contains 8.96 moles of oxygen atoms.

b)The 2.15 mol N₂O contains 2.15 moles of oxygen atoms.

c)The 0.0237 moles H₂CO₃ contains 0.0711 moles of oxygen atoms.

d)The 24.1 mol CO₂ contains 48.2 moles of oxygen atoms.

A mole is 6.02214076 x 1023 of any chemical unit, comprising atoms, molecules, ions, and others. Due to the large number of atom, molecules, or other components that comprise any material, the mole is an useful unit to utilize.

There are two moles of H and two moles of O in every mole of H₂O₂

There are two moles of N and one mole of O in every mole of N₂O

There are 2 moles of H, 1 mole of C, and 3 moles of O in a mole of H₂CO₃

1 moles of C and 2 moles of O are present for every mole of CO₂

Taking this into account:

The number of moles of oxygen atoms present in a 4.88 moles sample of H₂O₂ can be determined by:

[tex]\text { 4.48 molesof } \mathrm{H}_2 \mathrm{O}_2 x \frac{2 \text { moleso foxygen }}{1 \text { moleof } \mathrm{H}_2 \mathrm{O}_2}=[/tex]8.96 moles of oxygen atoms

The 4.48 mol H₂O₂ contains 8.96 moles of oxygen atoms.

The number of moles of oxygen atoms present in a 2.15 moles sample of N₂O can be determined by:

[tex]2.15 \text { molesof } N_2 O x \frac{1 \text { molesofoxygen }}{1 \text { moleof } N_2}=[/tex]2.15 moles of oxygen atoms

The 2.15 mol N₂O contains 2.15 moles of oxygen atoms.

The number of moles of oxygen atoms present in a 0.0237 moles sample of H₂CO₃ can be determined by:

[tex]0.0237 \text { molesof } \mathrm{H}_2 \mathrm{CO}_3 x \frac{3 \text { moleso foxygen }}{1 \text { moleof } \mathrm{H}_2 \mathrm{CO}_3}=[/tex]0.0711 moles of oxygen atoms

The 0.0237 moles H₂CO₃ contains 0.0711 moles of oxygen atoms.

The number of moles of oxygen atoms present in a 24.1 moles sample of CO₂ can be determined by:

[tex]24.1\text { molesofC } \mathrm{CO}_2 x \frac{2 \text { moleso foxygen }}{1 \text { moleof } \mathrm{CO}_2}[/tex]=48.2 moles of oxygen atoms

The 24.1 mol CO₂ contains 48.2 moles of oxygen atoms.

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