   Chapter 10, Problem 36PS

Chapter
Section
Textbook Problem

A self-contained underwater breathing apparatus (SCUBA) uses canisters containing potassium superoxide. The superoxide consumes the CO2 exhaled by a person and replaces it with oxygen.4 KO2(s) + 2 CO2(g) → 2 K2CO3(s) + 3 O2(g)What mass of KO2, in grams, is required to react with 8.90 L of CO2 at 22.0 °C and 767 mm Hg?

Interpretation Introduction

Interpretation:

The mass of KO2 required to react with 8.90LofCO2at22°Cand767mmHg has to be given.

Concept Introduction:

According to ideal gas equation:

PV=nRTp-pressurev-volumeT-Temperaturen-numberofmoles

Numberofmoles=massmolarmass

Explanation

Given that:

Pressure=767mmHg=1.009atmVolume=8.90LTemperature=22°C=295K

According to ideal gas equation:

PV=nRT

n=PVRT=1.009atm×8.9L0.08205L.atm/K.mol×295K=0.371molCO2

Given the balanced equation for the reaction:

4KO2+2CO22K2CO3+3O2

From this equation 1 mole of CO2 need 2 mole KO2 to complete the reaction

Still sussing out bartleby?

Check out a sample textbook solution.

See a sample solution

The Solution to Your Study Problems

Bartleby provides explanations to thousands of textbook problems written by our experts, many with advanced degrees!

Get Started

Name the following compounds: a HCl(g) b HBr(aq) c HF(g) d HNO2(aq)

General Chemistry - Standalone book (MindTap Course List)

25-7 What are the differences between DNA and RNA?

Introduction to General, Organic and Biochemistry

Where would you go on Earth to have a celestial pole at your zenith?

Horizons: Exploring the Universe (MindTap Course List)

What are genomes?

Human Heredity: Principles and Issues (MindTap Course List)

Write the correct IUPAC name for each of the following: a. b. c. d.

Chemistry for Today: General, Organic, and Biochemistry

Match the term listed in Column A with its definition from Column B

Nutrition Through the Life Cycle (MindTap Course List) 