Which of the following units represent the largest amount of energy
Which of the following are not state functions
If a refrigerators door is opened,then we get
The cooling in refrigerator is due to
The temperature of the system decrease in an
A reaction occurs spontaneously if
Which of the following is true for an adiabatic process
For the cyclic process
Internal energy does not enclude
Among them intensive property is
Conditions of standard state used in Thermochemistry is
Point out the wrong statement in relation to enthalpy
One calorie is equal to
Which of the following is not a state function
Energy equivalent to one erg, one joule and one calorie is in the order
Which of the following is the correct option for free expansion of an ideal gas under adiabatic condition
In thermodynamics which one of the following is not an intensive property
For an isolated system,
Î”U = 0, then
It is general principle that the less energy a system contains, it is
Three moles of an ideal gas expanded spontaneously into vacuum. The work done will be
The process, in which no heat entres or leaves the syatem, is termed as
The heat of combustion of carbon to CO2 is - 393.5 kJ/mol. The heat released upon formation of 35.2 g of CO2 from carbon and oxyge..
In order to decompose 9 g water 142.5 kJ heat is required. Hence, the enthalpy of formation of water is
How many joules of heat are absorbed when 70.0 g of water is completely vaporised at its boiling point ?
The relation between H and U is
A gas undergoes a thermodynamical process but the volume of the gas does not change. What is the nature of this process ?
In an isothermal process
In an adiabatic process
If one mole of ammonia and one mole of hydrogen chloride are mixed in a closed container to form ammonium chloride gas, then
The temperature of the system decreases in an
Internal energy is sum of
Hesss law is based on
Which of the following is an intensive property ?
The first law of thermodynamics is expressed as
An adiabatic process occurs in
Hesss law is used to calculate
the incorrect expression among the following is
The bond energy (in kcal mol^-1) of C-C single bond is approximately
a pistol filled with 0.04 mol of an ideal gas expands
Which of the following is a path function?
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