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Remember to use SI units!
QUESTION 1 What is the volume of a balloon A) with 5 mol of helium atoms at atmospheric pressure (101kPa) and room temperatur
QUESTION 3 A bike tire contains 2 m2 of air at 25°C. If the temperature drops by 5°C, what would be the ratio (new vol)/(old
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Answer #1

= (1) number of moles n=5 pressure P = 101x10 Pa temperature T = (25+273.15) K = 298.15 K Universal gas constant R= 8.314 J m

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