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Chapter 8: Q. 8.5 (page 265)

Which of the following statements describe the pressure of a gas?
a. the force of the gas particles on the walls of the container
b. the number of gas particles in a container
c. 4.5L of helium gas
d. 750Torr
e. 28.8Ib/in2

Short Answer

Expert verified

Part(a) statement describes the pressure of a gas

Part(b) statement does not describes the pressure of a gas

Part(c) statement does not describes the pressure of a gas

Part(d) statement describes the pressure of a gas

Part(e) statement describes the pressure of a gas

Step by step solution

01

Part(a) Step 1 : Given information

We are given statement the force of the gas particles on the walls of the container

02

Part(a) Step 2 : Simplify

As we know pressure is force per unit area, therefore statement shows pressure.

03

Part(b) Step 1 : Given information

We are given statement the number of gas particles in a container

04

Part(b) Step 2 : Simplify

As we know pressure is force per unit area, therefore number of moles can't be pressure.

05

Part(c) Step 1 : Given information

We are given statement 4.5L of helium gas

06

Part(c) Step 2 : Simplify

As we know pressure is force per unit area, therefore volume of container can't be pressure.

07

Part(d) Step 1 : Given information

We are given statement 750 torr

08

Part(d) Step 2 : Simplify

As we know torr is unit of pressure. Therefore, statement shows pressure.

09

Part(e) Step 1 : Given information

We are given statement 28.8Ib/in2

10

Part(e) Step 2 : Simplify

As we know Ib/in2 is unit of pressure. Therefore, statement shows pressure.

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Most popular questions from this chapter

A mixture of nitrogen N2and helium has a volume of role="math" localid="1652611326264" 250mLat 30°Cand a total pressure of 745mmHg.

a. If the partial pressure of helium is 32mmHg, what is the partial pressure of the nitrogen?

b. What is the final volume, in litres, of the nitrogen at STP?

Use the words inspiration and expiration to describe the part of the breathing cycle that occurs as a result of each of the following:

a. The diaphragm contracts.

b. The volume of the lungs decreases.

c. The pressure within the lungs is less than that of the atmosphere.

A sample of helium gas has a volume of 6.50Lat a pressure of 845mmHgand a temperature of 25°C. What is the final pressure of the gas, in atmospheres, when the volume and temperature of the gas sample are changed to the following if the amount of gas does not change?

a. 1850mLand325K

b. 2.25Land12°C

c.12.8Land47°C

A patient's oxygen tank holds 20.0 L of oxygen (02) at a pressure of 15.0 atm. What is the final volume, in liters, of this gas when it is released at a pressure of 1.00 atm with no change in temperature and amount of gas?

Indicate whether the final volume of gas in each of the following is the same, larger, or smaller than the initial volume, if pressure and amount of gas do not change:
a. A volume of 505mLof air on a cold winter day at 15°C is breathed into the lungs, where body temperature is 37°C
b. The heater used to heat the air in a hot-air balloon is turned off.
c. A balloon filled with helium at the amusement park is left in a car on a hot day.
See all solutions

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