Chapter 8: Q. 8.41 (page 273)
Rearrange the variable in the combined gas law to solve for .
Short Answer
The combined gas law for is role="math" localid="1652612034505" .
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Chapter 8: Q. 8.41 (page 273)
Rearrange the variable in the combined gas law to solve for .
The combined gas law for is role="math" localid="1652612034505" .
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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 of air on a cold winter day at is breathed into the lungs, where body temperature is
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.
A fire extinguisher has a pressure of at . What is the final pressure, in atmospheres, when the fire extinguisher is used at a temperature of , if do not change?
A balloon containsof helium gas at . What is the final volume, in milliliters, of the gas when the temperature changes to each of the following, if and n do not change?
a.
b.
c.
d.
Why do scuba divers need to exhale air when they ascend to the surface of the water?
A scuba diver below the ocean surface inhales of compressed air from a ccuba tank at a pressure of and a temperature of . What is the final pressure of air, in atmospheres, in the lungs when the gas expands to at a body temperature of , if the amount of gas does not change?
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