BITSAT SERIES Chemistry
Internal Energy
3 previous year questions.
Volume: 3 Ques
Yield: Medium
High-Yield Trend
2
2014 1
2012 Chapter Questions 3 MCQs
01
PYQ 2012
medium
chemistry ID: bitsat-2
In which of the following reactions, standard entropy change ( ) is positive and standard Gibbs’s energy change ( ) decreases sharply with increasing temperature?
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02
PYQ 2014
medium
chemistry ID: bitsat-2
The enthalpy of sublimation of aluminium is . Its I , II and III ionization enthalpies are 580, 1820 and respectively. How much heat must be supplied in kJ to convert 13.5 g of aluminium into Al ions and electrons at 298 K?
1
5470
2
2735
3
4105
4
3765
03
PYQ 2014
medium
chemistry ID: bitsat-2
In a thermodynamic process, the pressure of a fixed mass of a gas is changed in such a manner that the gas releases 20 J of heat and 8 J of work is done on the gas. If the initial internal energy of the gas is 30 J, the final internal energy will be:
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