   Chapter 13, Problem 133AP ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

#### Solutions

Chapter
Section ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
1 views

# t what temperature does 4 .00  g of helium gas have a pressure of 1 .00 atm in a msp;  22 . 4 − L vessel?

Interpretation Introduction

Interpretation:

To calculate the temperature of helium gas at given conditions of pressure, volume and mass.

Concept Introduction:

Ideal gas equation is the equation for gases that helps to calculate the temperature, pressure, moles and volume with the given information. Ideal gas is the combined form of different gas laws. It can be written as; PV = nRT

• P = pressure.
• T = temperature.
• V = volume.
• R = gas constant = 0.0821 L. atm / K. mole.
• n = number of moles.
Explanation

Given information:

P = 1.00 atm

V = 22.4 L

Molar mass of helium = 4.033 g/mol.

Molar mass of helium gas is 4.003 g/mol. Moles of gas must be calculated with the given mass and molar mass. Then we can use these moles of gas to calculate the temperature of gas with the help of ideal gas equation.

Number of moles = massmolar mass=4.00 g4.003 g/mol=0.99 mol1

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