In a reversible process__________________?
A. Tds = dE + dW
B. dE – dW = Tds
C. dW – dE = Tds
D. Tds – dW + dE >0
Thermodynamics for Chemical
A system in which there is exchange of energy but not of mass, is called a/an ____________ system?
A system in which there is exchange of energy but not of mass, is called a/an ____________ system?
A. Isolated
B. Open
C. Insulated
D. Closed
Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called ____________ solutions?
Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called ____________ solutions?
A. Ideal
B. Real
C. Isotonic
D. None of these
Boyle’s law for gases states that____________________?
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
The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be _______________?
The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be _______________?
A. More
B. Less
C. Same
D. Data insufficient to predict
With increase in pressure (above atmospheric pressure), the Cp of a gas_____________________?
With increase in pressure (above atmospheric pressure), the Cp of a gas_____________________?
A. Increases
B. Decreases
C. Remains unchanged
D. First decreases and then increases
PVy = constant, holds good for an isentropic process, which is_________________?
PVy = constant, holds good for an isentropic process, which is_________________?
A. Reversible and isothermal
B. Isothermal and irreversible
C. Reversible and adiabatic
D. Adiabatic and irreversible
As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches_______________________?
As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches_______________________?
A. Unity
B. Zero
C. That of the heat of reaction
D. Infinity
Which of the following is a thermodynamic property of a system ?
Which of the following is a thermodynamic property of a system ?
A. Concentration
B. Mass
C. Temperature
D. Entropy
In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is_______________?
In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is_______________?
A. More
B. Less
C. Same
D. Unpredictable; depends on the particular reaction