A sample of oxygen gas has a volume of 151 mL when its pressure is 0.947 atm. what will the volume of the gas be at a pressure of 0.987 atm if the temperature remains constant?
1 answer
Question:
a sample of oxygen gas has a volume of 151 mL when its pressure is 0.947 atm. what will the volume of the gas be at a pressure of 0.987 atm if the temperature remains constant?
Answers
Answer: 151.2mLExplanation:Initial volume V1 = 151mLInitial pressure P1 = 0.947atmFinal volume V2 = ?Final pressure P2 = 0.948atmAccording to Boyle's law, the volume of a fixed mass of a gas is inversely proportional to the pressure when temperature is constant.Thus, Boyles' Law is expressed as: P1/V1 = P2/V20.947/151 = 0.948/V2To get the value of V2, cross multiply0.947 x V2 = 0.948 x 1510.947V2 = 143.148Divide both sides by 0.9470.947V2/0.947 = 143.148/0.947V2 = 151.159 mL (Round to nearest tenth 151.2mLThus, the final volume is 151.2mL
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