Chemistry: An Atoms-Focused Approach
Chemistry: An Atoms-Focused Approach
14th Edition
ISBN: 9780393912340
Author: Thomas R. Gilbert, Rein V. Kirss, Natalie Foster
Publisher: W. W. Norton & Company
Question
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Chapter 2, Problem 2.79QA
Interpretation Introduction

To find:

In each of the following pair of gases in balloons, which one has more number of particles?

Expert Solution & Answer
Check Mark

Answer to Problem 2.79QA

Solution:

a) NO

b) CO2

c) O2

Explanation of Solution

Concept: The problem is based on mole concept. Here, we have to calculate the number of particles in each of the given gases present in a particular amount, i.e., 10.0g.

So, first the number of moles of each gas has to be calculated for each of the given pair. The higher the number of moles of gas in each pair, the greater will be its number of particles.

Formula for calculating the number of moles:

  number of moles= Given mass of gasMolar mass of gas

Given information:

10 g of different gases are given, and they are filled into balloons.

Calculation:

a)  Number of moles of CO 2 = 10 g × 1 mol44.01 g= 0.2272 moles

Number of particles of CO 2= 0.2272 mol × 6.022×1023 particles1 mol=1.37 ×1023  Particles

Number of moles of NO = 10 g × 1 mol30.01 g= 0.3332 moles

Number of particles of NO= 0.3332 mol × 6.022×1023 particles1 mol=2.01 ×1023  Particles

So, number of particles of NO is more.

(b) Number of moles of CO 2 = 10 g × 1 mol44.01 g= 0.2272 moles

Number of particles of CO 2= 0.2272 mol × 6.022×1023 particles1 mol=1.37 ×1023  Particles

 

Number of moles of SO 2 = 10 g × 1 mol64.06 g= 0. 1561 moles

Number of particles of NO= 0.1561 mol × 6.022×1023 particles1 mol=9.40 ×1022  Particles

So, number of particles of CO2 is more.

(c) Number of moles of O 2 = 10 g × 1 mol31.9988 g= 0.3125 moles

Number of particles of O 2= 0.3125 mol × 6.022×1023 particles1 mol=1.88 ×1023  Particles

Number of moles of Ar = 10 g × 1 mol39.948 g= 0.2503 moles

Number of particles of Ar= 0.2503 mol × 6.022×1023 particles1 mol=1.51 ×1023  Particles

So, number of particles of O2 is more.

Conclusion:

The number of particles in each case is calculated and found to be more in NO, CO2, and O2 in (a), (b), and (c) respectively.

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Chapter 2 Solutions

Chemistry: An Atoms-Focused Approach

Ch. 2 - Prob. 2.11VPCh. 2 - Prob. 2.12VPCh. 2 - Prob. 2.13QACh. 2 - Prob. 2.14QACh. 2 - Prob. 2.15QACh. 2 - Prob. 2.16QACh. 2 - Prob. 2.17QACh. 2 - Prob. 2.18QACh. 2 - Prob. 2.19QACh. 2 - Prob. 2.20QACh. 2 - Prob. 2.21QACh. 2 - Prob. 2.22QACh. 2 - Prob. 2.25QACh. 2 - Prob. 2.26QACh. 2 - Prob. 2.27QACh. 2 - Prob. 2.28QACh. 2 - Prob. 2.29QACh. 2 - Prob. 2.30QACh. 2 - Prob. 2.31QACh. 2 - Prob. 2.32QACh. 2 - Prob. 2.33QACh. 2 - Prob. 2.34QACh. 2 - Prob. 2.35QACh. 2 - Prob. 2.36QACh. 2 - Prob. 2.37QACh. 2 - Prob. 2.38QACh. 2 - Prob. 2.39QACh. 2 - Prob. 2.40QACh. 2 - Prob. 2.41QACh. 2 - Prob. 2.42QACh. 2 - Prob. 2.43QACh. 2 - Prob. 2.44QACh. 2 - Prob. 2.45QACh. 2 - Prob. 2.46QACh. 2 - Prob. 2.47QACh. 2 - Prob. 2.48QACh. 2 - Prob. 2.49QACh. 2 - Prob. 2.50QACh. 2 - Prob. 2.51QACh. 2 - Prob. 2.52QACh. 2 - Prob. 2.53QACh. 2 - Prob. 2.54QACh. 2 - Prob. 2.55QACh. 2 - Prob. 2.56QACh. 2 - Prob. 2.57QACh. 2 - Prob. 2.58QACh. 2 - Prob. 2.59QACh. 2 - Prob. 2.60QACh. 2 - Prob. 2.61QACh. 2 - Prob. 2.62QACh. 2 - Prob. 2.63QACh. 2 - Prob. 2.64QACh. 2 - Prob. 2.65QACh. 2 - Prob. 2.66QACh. 2 - Prob. 2.67QACh. 2 - Prob. 2.68QACh. 2 - Prob. 2.69QACh. 2 - Prob. 2.70QACh. 2 - Prob. 2.71QACh. 2 - Prob. 2.72QACh. 2 - Prob. 2.73QACh. 2 - Prob. 2.74QACh. 2 - Prob. 2.75QACh. 2 - Prob. 2.76QACh. 2 - Prob. 2.77QACh. 2 - Prob. 2.78QACh. 2 - Prob. 2.79QACh. 2 - Prob. 2.80QACh. 2 - Prob. 2.81QACh. 2 - Prob. 2.82QACh. 2 - Prob. 2.83QACh. 2 - Prob. 2.84QACh. 2 - Prob. 2.85QACh. 2 - Prob. 2.86QACh. 2 - Prob. 2.87QACh. 2 - Prob. 2.88QACh. 2 - Prob. 2.89QACh. 2 - Prob. 2.90QACh. 2 - Prob. 2.91QACh. 2 - Prob. 2.92QACh. 2 - Prob. 2.93QACh. 2 - Prob. 2.94QACh. 2 - Prob. 2.95QACh. 2 - Prob. 2.96QACh. 2 - Prob. 2.97QACh. 2 - Prob. 2.98QACh. 2 - Prob. 2.99QACh. 2 - Prob. 2.100QACh. 2 - Prob. 2.101QACh. 2 - Prob. 2.102QACh. 2 - Prob. 2.103QACh. 2 - Prob. 2.104QACh. 2 - Prob. 2.105QACh. 2 - Prob. 2.106QACh. 2 - Prob. 2.107QACh. 2 - Prob. 2.108QACh. 2 - Prob. 2.109QACh. 2 - Prob. 2.110QACh. 2 - Prob. 2.111QACh. 2 - Prob. 2.112QACh. 2 - Prob. 2.113QACh. 2 - Prob. 2.114QACh. 2 - Prob. 2.115QACh. 2 - Prob. 2.116QA
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