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. 1 mole of ideal monoatomic gas at 27°C expands adiabatically against a constant external pressure of 1.5 atm from a volume of 4dm 3 to 16 dm 3 . Calculate (i) q (ii) w and (iii) Δ U

.          1 mole of ideal monoatomic gas at 27°C expands adiabatically against a constant external pressure of 1.5 atm from a volume of 4dm3 to 16 dm3.


 


                        Calculate (i) q (ii) w and (iii) ΔU

Grade:10

1 Answers

Badiuddin askIITians.ismu Expert
147 Points
11 years ago

Dear KUNDAN

workdone = 1.5( 16-4)

              =18

since in adiabatic process no heat transfer take place so dq =0


and dq =dU +dW

  dU=-dW =-18

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