The change of entropy, when heat is absorbed by the gas, is positive negative po

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Question
The change of entropy, when heat is absorbed by the gas, is
Options
A. positive
B. negative
C. positive or negative

Correct Answer

positive

Thermodynamics problems

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1. When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as
Options
A. thermodynamic law
B. thermodynamic process
C. thermodynamic cycle
D. none of these

4. A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is
Options
A. -140 kJ
B. -80 kJ
C. -40 kJ
D. +60 kJ

8. The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as
Options
A. enthalpy
B. internal energy
C. entropy
D. external energy

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