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Example Questions
Example Question #1 :Gas Laws
年代uppose that an ideal gas atand 2.0 atm has a volume of 11.2 cubic meters. Which of the following expressions represents the volume of the gas, in cubic meters, if the temperature were increased byand the pressure decreased to 1.5 atm?
Possible Answers:
正确答案:
Explanation:
First of all, the unit degrees Celsius should be converted to Kelvins by adding 273. This means that the temperature increases from 273 K to 323 K.
Next, the combined gas law can be used.
Plugging in the known values gives
and solving for the volume gives
Rearranging shows this is clearly equivalent to the correct answer,.
Gregory
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