Question

What volume of bromine $\left(\mathrm{Br}_{2}\right)$ vapor measured at $100^{\circ} \mathrm{C}$ and $700 \mathrm{mmHg}$ pressure would be obtained if $2.00 \mathrm{L}$ of dry chlorine $\left(\mathrm{Cl}_{2}\right),$ measured at $15^{\circ} \mathrm{C}$ and $760 \mathrm{mmHg},$ was absorbed by a potassium bromide solution?

Name: Problem 85, Chapter 24: Chemistry
Uploaded: 2020-07-11T16:30:02-08:00
Duration: 2 min 56 s
Channel: Arpit Gupta
Description: What volume of bromine (Br2) vapor measured at 100^∘ C and 700 mmHg pressure would be obtained if 2.00 L of dry chlorine (Cl2), measured at 15^∘ C and 760 mmHg, was absorbed by a potassium bromide solution?

   What volume of bromine $\left(\mathrm{Br}_{2}\right)$ vapor measured at $100^{\circ} \mathrm{C}$ and
$700 \mathrm{mmHg}$ pressure would be obtained if $2.00 \mathrm{L}$ of dry chlorine $\left(\mathrm{Cl}_{2}\right),$ measured at $15^{\circ} \mathrm{C}$ and $760 \mathrm{mmHg},$ was absorbed by a potassium bromide solution?

Chemistry

Julia Burdge 1st Edition

Chapter 24, Problem 85

Instant Answer

Solved by Expert Arpit Gupta

07/11/2020

Step 1

The pressure of Cl2 is given as 760 mmHg, which is equivalent to 1 atmosphere. The temperature is given as 15 degrees Celsius, which we can convert to Kelvin by adding 273 to it, giving us 288 K. Show more…

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What volume of bromine $\left(\mathrm{Br}_{2}\right)$ vapor measured at $100^{\circ} \mathrm{C}$ and $700 \mathrm{mmHg}$ pressure would be obtained if $2.00 \mathrm{L}$ of dry chlorine $\left(\mathrm{Cl}_{2}\right),$ measured at $15^{\circ} \mathrm{C}$ and $760 \mathrm{mmHg},$ was absorbed by a potassium bromide solution?

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Key Concepts

Combined Gas Law

This law relates the pressure, volume, and temperature of a fixed amount of gas. It allows the calculation of any one of these variables when the other two change from an initial to a final state. The formula (P?V?/T? = P?V?/T?) is central to solving problems where a gas undergoes changes in conditions.

Reaction Stoichiometry

Reaction stoichiometry involves using the mole ratios defined by a chemical equation to relate the quantities of reactants and products. In problems where one gas is converted to another through a chemical reaction, stoichiometry is used to determine how the number of moles—and hence the volume under given conditions—of one substance corresponds to those of another.

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