Questions
70 cal of heat are required to raise the temperature of 2 mol of an ideal gas at constant pressure from 300C to 350C. The amount of heat required in calories to raise the temperature of the same gas through the same range (300C-350C) at constant volume is
detailed solution
Correct option is B
Q1=nCpΔT⇒Q2=nCVΔT∴ Q1−Q2=nRΔT or Q2=Q1−nRΔT=(70)−(2)8.314.18(5)≅50calTalk to our academic expert!
Similar Questions
At the middle of the mercury barometer tube there is a little column of air with the length and there is vacuum at the top as shown. Under the normal atmospheric pressure and the temperature of 300 kelvin, l0 = 10cm Neglect expansion of the tube. The length of the air column if the temperature rises to 330 kelvin in equilibrium will be
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