×
Detail Form
We will send your result on your email id and phone no. please fill detail
1.
The enthalpy of vaporization of a liquid is 30 kJ 
and entropy of vaporization is 75 J . The boiling point of liquid at 1 atm is :
and entropy of vaporization is 75 J . The boiling point of liquid at 1 atm is :
2.
Which is correct about the heat of combustion?
3.
In an isothermal process
4.
The enthalpy of combustion of 
, cyclohexane 
and cyclohexane 
are 
and 
kJ per mol respectively. Heat of hydrogenation of cyclohexane is
, cyclohexane and cyclohexane are and kJ per mol respectively. Heat of hydrogenation of cyclohexane is
5.
For the isothermal expansion of an ideal gas
6.
Heat evolved in the reaction, 
kJ. Bond energies of 
and 
are 430 and 242 kJ/mol respectively. The H
bond energy is :
kJ. Bond energies of and are 430 and 242 kJ/mol respectively. The H bond energy is :
7.
Which is not correct?
8.
A cylinder of gas is assumed to contain 11.2 kg of butane 
. If a normal family needs 20000 kJ of energy per day. The cylinder will last (Given that 
for combustion of butane is 
kJ)
. If a normal family needs 20000 kJ of energy per day. The cylinder will last (Given that for combustion of butane is kJ)
9.
The enthalpy of formation of water from hydrogen and oxygen is 
The enthalpy of decomposition of water into hydrogen and oxygen is:
The enthalpy of decomposition of water into hydrogen and oxygen is:
10.
An ideal gas is allowed to expand both reversibly and irreversibly in an isolated system. If 
is the initial temperature and 
is the final temperature, which of the following statements is correct?
is the initial temperature and is the final temperature, which of the following statements is correct?