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310 J of heat is required to raise the temperature of 2 mole of an ideal gas at constant pressure from 25°C to 35°C. The amount of heat required to raise the temperature of the same amount of gas through the same temperature range at constant volume is
  • a)
    384 J
  • b)
    276 J
  • c)
    144 J
  • d)
    452 J
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
310 J of heat is required to raise the temperature of 2 mole of an id...
Gas constant for ideal gas: R = 8.3 J/mol K
Heat transfer at constant pressure:
δQP = mcpΔT
310 = 2 × cp (35 – 25) = 20 cp
cp = 31/2 = 15.5 J/mol K
R = cp – cv ⇒ cp = cp – R = 15.5 – 8.3 = 7.2 J/mol K
Heat transfer at constant volume:
δQ = mcvΔT
δQ, = 2 × 7.2 × (35 – 25) = 144 J
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310 J of heat is required to raise the temperature of 2 mole of an ideal gas at constant pressure from 25°C to 35°C. The amount of heat required to raise the temperature of the same amount of gas through the same temperature range at constant volume isa)384 Jb)276 Jc)144 Jd)452 JCorrect answer is option 'C'. Can you explain this answer?
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310 J of heat is required to raise the temperature of 2 mole of an ideal gas at constant pressure from 25°C to 35°C. The amount of heat required to raise the temperature of the same amount of gas through the same temperature range at constant volume isa)384 Jb)276 Jc)144 Jd)452 JCorrect answer is option 'C'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about 310 J of heat is required to raise the temperature of 2 mole of an ideal gas at constant pressure from 25°C to 35°C. The amount of heat required to raise the temperature of the same amount of gas through the same temperature range at constant volume isa)384 Jb)276 Jc)144 Jd)452 JCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 310 J of heat is required to raise the temperature of 2 mole of an ideal gas at constant pressure from 25°C to 35°C. The amount of heat required to raise the temperature of the same amount of gas through the same temperature range at constant volume isa)384 Jb)276 Jc)144 Jd)452 JCorrect answer is option 'C'. Can you explain this answer?.
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