A system is said to be isopiestic, if there is no __________ change. Volume Temperature None of these Pressure TRUE ANSWER : ? YOUR ANSWER : ?
In an adiabatic process, the Heat transfer is zero Work done is a path function Temperature change is zero Enthalpy remains constant TRUE ANSWER : ? YOUR ANSWER : ?
The first law of thermodynamics is a statement of conservation of Energy Work Momentum Heat TRUE ANSWER : ? YOUR ANSWER : ?
In a reversible process DE - dW = Tds Tds = dE + dW DW - dE = Tds Tds - dW + dE >0 TRUE ANSWER : ? YOUR ANSWER : ?
During Joule-Thomson expansion of gases Temperature remains constant Enthalpy remains constant None of these Entropy remains constant TRUE ANSWER : ? YOUR ANSWER : ?
A large iceberg melts at the base, but not at the top, because of the reason that The iceberg remains in a warmer condition at the base All of these Due to the high pressure at the base, its melting point reduces Ice at the base contains impurities which lowers its melting point TRUE ANSWER : ? YOUR ANSWER : ?
The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is -ve +ve ∞ TRUE ANSWER : ? YOUR ANSWER : ?
Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be Halved Same Doubled One fourth of its original value TRUE ANSWER : ? YOUR ANSWER : ?
Charles' law for gases states that V ∝ 1/T V/T = Constant PV/T = Constant V ∝ 1/P TRUE ANSWER : ? YOUR ANSWER : ?