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Class XI Chemistry Thermodynamics 1
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Question 1
The molar heat capacity of water at constant pressure, C, is 75 JK-1, When 1.0 kJ of heat is supplied to 100 g of water which is free to expand, the increase in temperature of water is:
Question 2
Given that bond energy of H—H and Cl-Cl is 430 kJ mol-1 and 240 kJ mol-1 respectively and ΔHf for HCl is -90 kJ mol-1. Bond enthalpy of HCl is :
Question 3
One gram sample of ammonium nitrate is decomposed in a bomb calorimeter. The temperature of calorimeter increases by 6.12 K. The heat capacity of the system is 1.23 kJ/g/deg. What is the molar heat of decomposition of NH4 NO3
Question 4
Change in enthalpy for reaction
If heat of formation of H2O2 (l) and H2O(l) are –188 and –286 KJ/mol respectively:
If heat of formation of H2O2 (l) and H2O(l) are –188 and –286 KJ/mol respectively:
Question 5
Unit of entropy is :
Question 6
For the gas phase reaction,
which of the following conditions are correct?
which of the following conditions are correct?
Question 7
Five mole of an ideal gas at 293 K are expanded isothermally from an initial pressure 0.4 kPa to a final pressure of 0.1 kPa against a constant external pressure of 0.1 kPa. If this process is carried out reversibly, then the value of q is
Question 8
The values of ΔH and ΔS for the reaction, C(graphite) +CO2(g)→2CO(g) are 170 kJ and 170 JK-1, respectively. This reaction will be spontaneous at
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Dec 23NEET & AIIMS
