1.
for is at 1240 K. The for the change is equal to:
2.
When one mole of monoatomic ideal gas at T K undergoes adiabatic change under a constant external pressure of 1 atm changes volume from 1 L to 2 L. The final temperature in Kelvin would be
3.
of methanol is given by the chemical equation
4.
For the reaction, Then at  27°C is :
5.
Which has the least entropy?
6.
A carnot engine operates between temperature and If efficiency of engine is , the temperature is:
7.
It is a general principle that if a system has the less energy then it is:
8.
For the reaction, which is true?
9.

<img width=173 height=20 src="https://mytat.co/uploads/question/THERMODYNAMICS-1_filesimage802.png">
<img width=180 height=27 src="https://mytat.co/uploads/question/THERMODYNAMICS-1_filesimage803.png">
<img width=161 height=20 src="https://mytat.co/uploads/question/THERMODYNAMICS-1_filesimage804.png">
<img width=179 height=20 src="https://mytat.co/uploads/question/THERMODYNAMICS-1_filesimage805.png">
 <img width=171 height=20 src="https://mytat.co/uploads/question/THERMODYNAMICS-1_filesimage806.png">
The heat of formation (in kcal) of <img width=29 height=20 src="https://mytat.co/uploads/question/THERMODYNAMICS-1_filesimage807.png"> is :
10.
Which of the following expressions represents the first law of thermodynamics?