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Two moles of an ideal monoatomic gas is taken through a cycle ABCA as shown in the p-T diagram. During the process AB, Pressure and temperature of the gas vary such that pT = constant. If T1 = 300K then the work done on the gas in the process AB is

Select one:
  • a)
    –1200 R
  • b)
    –600 R
  • c)
    –900 R
  • d)
    2400 R
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Two moles of an ideal monoatomic gas is taken through a cycle ABCA as ...
Number of moles, n = 2, T1= 300 K, T2 =  2T1 = 600 K
During process A → B
pT =  constant
or p2V = constant = k [∴ pV = nRT]
p2V = k





= 2 × 2 × R × [300 – 600] = -1200 R
The correct answer is: –1200 R
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Most Upvoted Answer
Two moles of an ideal monoatomic gas is taken through a cycle ABCA as ...
Number of moles, n = 2, T1= 300 K, T2 =  2T1 = 600 K
During process A → B
pT =  constant
or p2V = constant = k [∴ pV = nRT]
p2V = k





= 2 × 2 × R × [300 – 600] = -1200 R
The correct answer is: –1200 R
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Community Answer
Two moles of an ideal monoatomic gas is taken through a cycle ABCA as ...
-1200R
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Two moles of an ideal monoatomic gas is taken through a cycle ABCA as shown in the p-T diagram. During the process AB, Pressure and temperature of the gas vary such that pT = constant. If T1 = 300K then the work done on the gas in the process AB isSelect one:a)–1200 Rb)–600 Rc)–900 Rd)2400 RCorrect answer is option 'A'. Can you explain this answer?
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