Test: Thermochemistry, Entropy Changes - JEE MCQ
10 Questions MCQ Test - Test: Thermochemistry, Entropy Changes
If a reaction involves only solids and liquids which of the following is true?
One mole of a non-ideal gas undergoes a change of state (2.0 atm,3.0 L,95 K) → (4.0 atm, 5.0 L, 245 K) with a change in internal energy, ΔU = 30.0 L atm. The change in enthalpy ΔH of the process in L atm is.
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If bond enthalpies of 
and 
bonds are 
and 
respectively, 
for 
will be
and bonds are and respectively, for will be
Heat of neutralization of a strong acid HA and a weaker acid 
with 
are 
and 
cal 
. When 1 mole of 
was added to a mixture containing 1 mole each of HA and 
, the heat change was 
. In what ratio is the base distributed between HA and HB.
mole of 
be neutralized by the strong acid 
. Then, moles neutralized by 
The latent heat of vapourization of a liquid at 
and 1 atm pressure is 
. What will be the change in internal energy 
of 3 moles of liquid at the same temperature
The difference between the reaction enthalpy change 
and reaction internal energy change 
for the reaction:
at 
is 
From given following equations and 
values, determine the enthalpy of reaction at 
for the reaction :
The enthalpy of the reaction forming 
according to the following equation is 
. What heat energy 
is released in formation of 
(Atomic masses : Pb = 207,O = 16.0)
What is 
for the combustion of 1 mole of benzene, when both the reactants and the products are at 
?
(l)
equal to 
?
or 
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