Question 1 :
At the boiling point of water the saturated vapour pressure will be (in mm of Hg)

Question 7 :
Assertion: The presence of reactants in the closed vessel made of conducting material is an example of a closed system. Reason: In a closed system, there is no exchange of matter but exchange of energy is possible between the system and the surroundings.

Question 8 :
The temperature at the bottom of a high water fall is higher than that at the top because

Question 10 :
A reaction that occurs only when heat is added is best described as:

Question 11 :
Which of the following is not a general characteristic of equilibria involving physical processes?

Question 12 :
Thermodynamics mainly deals with<br>Note: Two or more options may be correct.

Question 13 :
An isolated system is one which neither shows an exchange of ____nor ____with surroundings.

Question 14 :
Which one of the following systems is an example of a closed system?

Question 15 :
When 1 mol gas is heated at constant volume&#160;temp. is raised from 298 to 308 K. Heat supplied&#160;to the gas is 500 J. Then which statement is&#160;correct?

Question 19 :
For a reaction to be spontaneous in neither direction, which of the following is/are correct regarding the closed system?<br>(1) ${ \left( \Delta { G } \right) }_{ T,P }=0$<br>(2)${ \left( \Delta { G } \right) }_{ T,P }&lt; 0$<br>(3) ${ \left( \Delta { G } \right) }_{ U,V }=0$<br>(4) ${ \left( \Delta { G } \right) }_{ U,V }&gt;0$<br>Codes: