Chapter 10, Problem 60GQ

### Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

Chapter
Section

### Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

# If 12.0 g of O2 is required to inflate a balloon to a certain size at 27 °C, what mass of O2 is required to inflate it to the same size (and pressure) at 5.0 °C?

Interpretation Introduction

Interpretation: The mass of O2 required to inflate the balloon under given temperature and pressure should be determined.

Concept introduction:

Two equal volumes of gases with same temperature and pressure conditions tend to have same number of molecules with it.

Molar mass: The molar mass of a substance is determined by dividing the given mass of substance by the amount of the substance.

Explanation

Given,

â€‚Â â€Šâ€Šâ€Šâ€ŠmassÂ ofÂ O2Â â€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Š=Â 12gGasÂ constant,Â RÂ â€Šâ€Šâ€Šâ€Šâ€Šâ€Š=Â 0.0821Â LÂ atmÂ mol-1K-1Temperature,Â TÂ â€Šâ€Šâ€Šâ€Šâ€Šâ€Šâ€Š=Â 27âˆ˜CÂ Â =â€Šâ€Š273.15+27Â â€Š=â€Šâ€Š300

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