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My name is Ann [436]
3 years ago
11

Complete the following Empirical Formula & Molecular Formula problem:

Chemistry
1 answer:
Gre4nikov [31]3 years ago
6 0
Empirical formula is CCl.

Since the molar mass is provided, it is safe to assume that the empirical formula is not equal to the molecular formula.

We need to get the empirical weight to determine the multiple needed to arrive to the correct molecular formula.

Atom          Number in Molecule            Atomic Weight        Total Mass
C                              1                            12.0107                  12.0107
Cl                              1                            35.453                   <u> 35.453</u>
                                                          total empirical weight    47.4637

Molecular weight / Empirical Weight
284.77 g/mol / 47.46 g/mol = 6 - the multiple needed to be multiplied with the empirical formula to get the molecular formula.

C has a molecular number of 1 =>  1 * 6 = 6  Thus C₆
Cl has a molecular number of 1 => 1 * 6 = 6 Thus Cl₆

Molecular Formula is C₆CL₆

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PLEASE HELP ME!!
blagie [28]

1, When temperature is increased the volume will also increase. this is because the particles will gain kinetic energy and bombard the walls of the container of the gas at a higher frequency, therefore, for the pressure to remain constant as per Charles' law, the volume will have to increase so that the rate of bombardment remains constant. This is explained by the Charles law which states that the volume of a gas is directly proportional to the absolute temperature provided pressure remains constant.

2. When temperature is Decreased the volume will also Decrease. this is because the particles will loose kinetic energy and bombard the walls of the container of the gas less frequently, therefore, for the pressure to remain constant as per Charles' law, the volume will have to reduce so that the rate of bombardment remains constant. This is explained by the Charles law which states that the volume of a gas is directly proportional to the absolute temperature provided pressure remains constant.

3. When temperature is increased the pressure will increase. This is because the gas particles gain kinetic energy and bombard the walls of the container more frequently. this is according to Pressure law which states that for a constant volume of a gas the pressure is directly proportional to absolute temperature

4. When temperature is decreased, pressure will decrease, This is because the gas particles lose kinetic energy and bombard the walls of the container less frequently. this is according to Pressure law which states that for a constant volume of a gas the pressure is directly proportional to absolute temperature

5. When particles are added, pressure will increase. This is because the bombardment per unit area also increases. Boyles law explains this, that at fixed temperature the volume of a gas is inversely proportional to the pressure.

6. When particles are removed, the pressure will decrease. This is because the bombardment per unit area also decreases. Boyle's law explains this, that at fixed temperature the volume of a gas is inversely proportional to the pressure.

7 0
3 years ago
Which of the following is not a chemical property?
malfutka [58]
Density is not a chemical property. It is a physical property.Electromotive force, Flammability and pH are chemical properties.
8 0
3 years ago
How do you know anything?
r-ruslan [8.4K]
By studying and learning by using your brain to accomplish new goals. :)
(if that makes sense)
Hope this helps :3
6 0
3 years ago
What is the chemical formula of iron(III) sulfide?(1) FeS (2) Fe2S3 (3) FeSO3 (4) Fe2(SO3)3
chubhunter [2.5K]
The chemical formula of Iron (III) Sulfide is FeSO3. This element or compound has another name which is <span>ferric sulfide or sesquisulfide.</span>
5 0
2 years ago
What will be the boiling point of a solution of 8 moles of sodium dichromate (Na2Cr2O7) dissolved in 8 kg of water? Use the foll
nexus9112 [7]

Answer:

1. 374.69 K

Explanation:

Hello,

In this case, pure water's boiling point is 373.15 K, thus by considering the boiling point increase equation:

\Delta T=imKf

Whereas i=2 since two ionic species are formed,actually, the experimental value is 2.42 so better work with it, thus:

\Delta T=2.42*(\frac{8}{8}m)*0.512 Km^{-1}=1.239K

Thus, the required boiling point is:

T_b=373.15K+1.239K\\T_b=374.69K

Regards.

3 0
3 years ago
Read 2 more answers
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