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5. Thermodynamics and thermochemistry — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry5. Thermodynamics and thermochemistry1 Mark
MCQ
A sample of gas is compressed from an initial volume of $2V_0$ to $V_0$ using three different processess.
First: Using reversible isothermal.
Second: Using reversible adiabatic
Third: Using irreversible adiabatic under a constant external pressure.
Than
  • A
    Final temperature of gas will be highest at the end of second process.
  • ✓
    Final temperature of gas will be highest at the end of third process.
  • C
    Enthalpy change of sample will be highest in isothermal process (magnitude wise)
  • D
    Final pressure of gas will be highest at the end of second process.
✓

Answer

Correct option: B.
Final temperature of gas will be highest at the end of third process.
b

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