Joule-Thomson Co-efficient at any point on the inversion curve is
∞
+ve
0
-ve
Correct Answer :
C. 0
Related Questions
Compressibility factor of a gas is
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Not a function of its nature
Not a function of its temperature
Unity, if it follows PV = nRT
Pick out the correct statement:
In an isothermal system, irreversible work is more than reversible work
Under reversible conditions, the adiabatic work is less than isothermal work
Heat, work, enthalpy and entropy are all 'state functions'
Matter and energy cannot be exchanged with the surroundings in a closed system
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100
50
205
200
The total change in the enthalpy of a system is independent of the
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All (A), (B) and (C)
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∞
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0
-ve
Third law of thermodynamics is helpful in
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As the time is passing, entropy of the universe
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Data insufficient, can't be predicted
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An indeterminate value
1st law of thermodynamics is nothing but the law of conservation of
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Mass
Energy
None of these
Which of the following is not correct for a reversible adiabatic process?
TVγ-1 = constant
p1-γ.TY = constant
PVγ = constant
None of these
Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are
Always greater than one
Same at the same reduced temperature
Same at the same reduced pressure
Both (B) & (C)
Consider the reaction, C + O2 CO2; ΔH = - 94 kcal. What will be the value of ΔH for the reaction CO2 → C + O2?
-94 kcal
+94 kcal
> 94 kcal
< -94 kcal
One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one
Hour
Day
Minute
Second
Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is
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If we increase the pressure on a substance (which is at its triple point), then the triple point
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Decreases
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-94 kcal
> -94 kcal
< - 94 kcal
Zero
Degrees of freedom at triple point will be
0
1
2
3
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A = H + TS
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The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing.
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Isothermal
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Mollier chart is a __________ plot.
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Pressure vs. volume
Enthalpy vs. entropy
Temperature vs. entropy
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Fugacity
Activity co-efficient
Free energy
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