A. Mass
B. Momentum
C. Energy
D. None of these
Related Mcqs:
- 1st law of thermodynamics is nothing but the law of conservation of___________________?
A. Momentum
B. Mass
C. Energy
D. None of these - The first law of thermodynamics is a restatement of the law of conservation of_________________?
A. Mass
B. Energy
C. Momentum
D. None of these - The first law of thermodynamics is a statement of conservation of_____________________?
A. Heat
B. Momentum
C. Energy
D. Work - Kopp’s rule is used to calculate the heat capacity of___________________?
A. Solids
B. Liquids
C. Gases
D. All (A), B. & (C) - The enthalpy change when ammonia gas is dissolved in water is called the heat of___________________?
A. Solution
B. Formation
C. Dilution
D. Combustion - Entropy change of the reaction, H2O (liquid) → H2O (gas), is termed as the enthalpy of___________________?
A. Solution
B. Vaporisation
C. Formation
D. Sublimation - Mollier diagram is a plot of___________________?
A. Temperature vs. enthalpy
B. Temperature vs. enthalpy
C. Entropy vs. enthalpy
D. Temperature vs. internal energy - Boyle’s law for gases states that____________________?
A. P ∝ 1/V, when temperature is constant
B. P ∝ 1/V, when temperature & mass of the gas remain constant
C. P ∝ V, at constant temperature & mass of the gas
D. P/V = constant, for any gas - _____________ law of thermodynamics ascertains the direction of a particular spontaneous process?
A. Zeroth
B. First
C. Second
D. Third - The thermodynamic law, PVy = constant, is not applicable in case of______________?
A. Ideal compression of air
B. Free expansion of an ideal gas
C. Adiabatic expansion of steam in a turbine
D. Adiabatic compression of a perfect gas
