How many joules of heat are absorbed when 70.0 g of water is completely vaporised at its boiling point ?
the vapour pressure of acetone at 20 degree C is 185 torr. when 1.2 g of a non - volatile
Calculate the amount of heat evolved when 500 cm^3 of 0.1 M HCl is mixed with 200 cm^3 of 0.2 M NaOH.
Conditions of standard state used in Thermochemistry is
Which of the following units represent the largest amount of energy
Which of the following is true for an adiabatic process
Mark the correct statement
The bond energy (in kcal mol^-1) of C-C single bond is approximately
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..
Energy equivalent to one erg, one joule and one calorie is in the order
For the cyclic process
Which of the following is not a state function
a pistol filled with 0.04 mol of an ideal gas expands
A gas undergoes a thermodynamical process but the volume of the gas does not change. What is the nature of this process ?
Which of the following are not state functions
It is general principle that the less energy a system contains, it is
One calorie is equal to
If a refrigerators door is opened,then we get
The temperature of the system decrease in an
The cooling in refrigerator is due to
Point out the wrong statement in relation to enthalpy
Internal energy does not enclude
In thermodynamics which one of the following is not an intensive property
A reaction occurs spontaneously if
Among them intensive property is
Which of the following is the correct option for free expansion of an ideal gas under adiabatic condition
The process, in which no heat entres or leaves the syatem, is termed as
the standard enthalpy of formation of NH 3 is - 46.60 kj mol^-1.
in a fuel call, methanol is used as fuel and oxygen gas is used
The relation between H and U is
For an isolated system,
Î”U = 0, then
Which of the following is an intensive property ?
standard entropy of x^2, y^2 and xy 3 are 60, 40 and 50 j
In an adiabatic process
Which of the following is a path function?
The temperature of the system decreases in an
Internal energy is sum of
Hesss law is based on
An adiabatic process occurs in
In an isothermal process
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