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Chemistry
Thermodynamics
Previous Years Questions

MCQ (Single Correct Answer)

Standard entropy of X2, Y2 and XY2 are 60, 40 and 50 JK$$-$$1mol$$-$$1, respectively. For the reaction, $$\frac{1}{2}$$X2 + $$\frac{3}{2}$$Y2 $$\to$$ ...
In an adiabatic process, no transfer of heat takes place between system and surrounding. Choose the correct option for free expansion of an ideal gas ...
SI unit of Boltzmann's constant is
For the complete combustion of ethanol, $${C_2}{H_5}OH(I) + 3{O_2}(g) \to 2C{O_2}(g) + 3{H_2}O(I)$$, the amount of heat produced as measured in bomb c...
The incorrect expression among the following is
Which of the following statement is correct?
At the top of a mountain the thermometer reads 0$$^\circ$$C and the barometer reads 710 mm Hg. At the bottom of the mountain the temperature is 30$$^\...
The enthalpies of combustion of carbon and carbon monoxide in excess of oxygen at 298 K and constant pressure are $$-$$393.5 kJ/mol and $$-$$280.0 kj/...
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