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2 years ago

Bromine monochloride is synthesized using the reaction

Chemistry

1 answer:

slava [35]2 years ago

7 0

According to ideal gas equation and mole concept, 9.656 g of BrCl is present in the reaction mixture at equilibrium.

<h3>What is ideal gas equation?</h3>

The ideal gas equation is a equation which is applicable in a hypothetical state of an ideal gas.It is a combination of Boyle's law, Charle's law,Avogadro's law and Gay-Lussac's law . It is given as, PV=nRT where R= gas constant whose value is 8.314.The law has several limitations.

Substituting the given values in the ideal as equation, n=PV/RT

∴n=1×190/8.314×273=0.083 moles

mass is calculated as number of moles×molar mass

mass=0.083×115.357= 9.656 g

Thus, 9.656 g of BrCl is present in reaction mixture at equilibrium.

Learn more about ideal gas equation,here:

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A gaseous hydrogen and carbon containing compound is decomposed and formed to contain 82.66% carbon and 17.34% hydrogen by mass.

Romashka [77]

Explanation:

Mole percentage of carbon = $\frac{percentage given}{molar mass of carbon}$

= $\frac{82.66}{12}$

= 6.89

Mole percentage of hydrogen = $\frac{percentage given}{molar mass of hydrogen}$

= $\frac{17.34}{1}$

= 17.34

Now, dividing mole percentage of both the atoms by 6.89.

Then, C = 1 and H = $\frac{17.34}{6.89}$ = 2.5

Hence, empirical formula is $C_{2}H_{5}$ .

As, it is given that P = 556 mm Hg. Convert mm Hg into atm as follows.

$\frac{556 mm Hg \times atm}{760 mm Hg}$

= 0.7316 atm

Volume is given as 158 mL. So, in liter volume is $\frac{158}{1000}$ equals 0.158 L.

According to ideal gas equation, PV = nRT

$0.7316 atm \times 0.158 L = \frac{mass}{molar mass} \times 0.082 atm L/mol K \times 298 K$

$0.7316 atm \times 0.158 L = \frac{0.275 g}{molar mass} \times 0.082 atm L/mol K \times 298 K$

molar mass = 58.2 g

Hence, molecular weight of $C_{2}H_{5}$ is $12 \times 2 + 5$ = 29.

Therefore, $(C_{2}H_{5})_{n}$ = 58

29 × n = 58

n = 2

Thus, molecular formula of the compound is $C_{4}H_{10}$ .

8 0

4 years ago

Which element would have the greater difference between the first ionization energy and the second ionization energy

andrew-mc [135]

Answer:

Lithium has the greatest difference between its first and second ionization energies.

8 0

3 years ago

Sodium has an atomic number of 11 and has a net charge of 0. When sodium combines with chlorine, it has a net charge of +1. Why?

Lena [83]

It has to be noted that sodium is an element which belongs in the first column of the periodic table. This means that it has a valence electron of 1 which further means that it is capable of donating one of its electron to another element during reaction. This is exactly the explanation as to why it becomes charged +1 after the reaction.

5 0

3 years ago

Read 2 more answers

What happens when the number of electrons goes down?

Tamiku [17]

When the number of electrons decreases, the charge of the atom becomes more positive.

4 0

3 years ago

Calculate the number of atoms in 2.8 moles of silicon atoms

IceJOKER [234]

Answer:

<h2>1.686 × 10²⁴ atoms</h2>

Explanation:

The number of silicon atoms can be found by using the formula

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

N = 2.8 × 6.02 × 10²³

We have the final answer as

<h3>1.686 × 10²⁴ silicon atoms</h3>

Hope this helps you

5 0

4 years ago