Determine the Constant of Variation for the Stated Condition

question 204

Multiple Choice

Determine the constant of variation for the stated condition.
-The pressure of a gas varies jointly as the amount of the gas (measured in moles) and the temperature and inversely as the volume of the gas. If the pressure is 1092 kPa (kiloPascals) when the number of moles is 7, the temperature is 280° Kelvin, and the volume is 560 cc, find the pressure when the number of moles is 9, the temperature is 250° K, and the volume is 1080 cc.

• A) 650
• B) 624
• C) 1300
• D) 1352

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