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JEE 2020 Chemistry: Thermodynamics Quiz-2(15.07.2019)
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Question 1
If 100 mole of 
decompose at 1 bar and 300 K, the work done (kJ) by one mole of 
as it expands against 1 bar pressure is:
decompose at 1 bar and 300 K, the work done (kJ) by one mole of as it expands against 1 bar pressure is: Question 2
A pressure cooker reduces cooking time for food because
Question 3
An ideal gas undergoes a cyclic process as shown in Figure.
Heat absorbed by the system during process CA is :
Heat absorbed by the system during process CA is :
Question 4
In view of 
for the following reactions:
Which oxidation state is more characteristic for lead and tin?
for the following reactions: Which oxidation state is more characteristic for lead and tin?
Question 5
In which of the following reaction, reaction standard entropy change 
is positive and standard Gibb’s free energy change 
decreases sharply with increasing temperature ?
is positive and standard Gibb’s free energy change decreases sharply with increasing temperature ? Question 6
Which of the following statement(s) is/are True :
Question 7
One mol of Helium gas isothermally expands from to 3 atm in two stage expansion. If intermediate pressure is 5 atm. The heat exchanged in expansion is (in atm litre)
Question 8
The incorrect expression among the following is:
Question 9
The enthalpy of reaction 4X(g) → X4(g) is – 100 kJ/mol at 300 K. The enthalpy of vaporisation for X and X4 are 30 kJ/mol and 72 kJ/mol respectively. ∆S for tetramerization of X in liquid phase is –125 J/K mol at 300 K. calculate ∆G at 300 K for 4X(l) →X4(l).
Question 10
Classify each of the following processes as spontaneous or non-spontaneous.
(I) H2O(l) 
H2O(g) T=25°C (vessel open to atmosphere with 50% relative humidity)
(II) H2O(s) H2O(l) T=25°C P=1atm
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Jul 15JEE & BITSAT
