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Answered 6 days ago CBSE/Class 11/Science/Chemistry/Unit 6-Chemical Thermodynamics CBSE/Class 11/Science/Chemistry

What is free energy in terms of thermodynamics?

Reman Kumar Singh

Tutor

Free energy is amount of enegy have to the system for the reaction. Its changes will tell the direction and sponteneity of the reaction. If the change in free energy is positive for and process, the reaction or process will never occure. whereas, if is negative the reaction or process will happend sponneously... read more

Free energy is amount of enegy have to the system for the reaction. Its changes will tell the direction and sponteneity of the reaction. If the change in free energy is positive for and process, the reaction or process will never occure. whereas, if is negative the reaction or process will happend sponneously ( means withou effort) 

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Answered 6 days ago CBSE/Class 11/Science/Chemistry/Unit 6-Chemical Thermodynamics CBSE/Class 11/Science/Chemistry

Define extensive properties.

Deepak K.

Those properties whose value depends on quantity or size of matter present in the system. Ex. Enthalpy, internal energy,heat capacity etc.
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Asked 6 days ago CBSE/Class 11/Science/Chemistry/Unit 6-Chemical Thermodynamics CBSE/Class 11/Science/Chemistry

When liquid benzene is oxidised at constant pressure at 300 K, the change in enthalpy is -3728 kJ. What... read more

When liquid benzene is oxidised at constant pressure at 300 K, the change in enthalpy is -3728 kJ. What is the change in internal energy at the same temperature? read less

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Asked 6 days ago CBSE/Class 11/Science/Chemistry/Unit 6-Chemical Thermodynamics CBSE/Class 11/Science/Chemistry

The enthalpy of formation of methane at constant pressure and 300 K is – 78.84 kJ. What will be... read more
The enthalpy of formation of methane at constant pressure and 300 K is – 78.84 kJ. What will be the enthalpy of formation at constant volume? read less

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Asked 6 days ago CBSE/Class 11/Science/Chemistry/Unit 6-Chemical Thermodynamics CBSE/Class 11/Science/Chemistry

Define the following: (i) First law of thermodynamics. (ii) Standard enthalpy of formation. read more
Define the following:
(i) First law of thermodynamics.
(ii) Standard enthalpy of formation. read less

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Asked 6 days ago CBSE/Class 11/Science/Chemistry/Unit 6-Chemical Thermodynamics CBSE/Class 11/Science/Chemistry

Thermodynamics is applicable to (a) macroscopic system only (b) microsopic system only (c) homogeneous... read more
Thermodynamics is applicable to
(a) macroscopic system only (b) microsopic system only
(c) homogeneous system only (d) heterogeneous system only read less

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Asked 6 days ago CBSE/Class 11/Science/Chemistry/Unit 6-Chemical Thermodynamics CBSE/Class 11/Science/Chemistry

An isochoric process takes place at constant (a) temperature (b) pressure (c) volume (d) concentration read more
An isochoric process takes place at constant
(a) temperature (b) pressure
(c) volume (d) concentration read less

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Asked 6 days ago CBSE/Class 11/Science/Chemistry/Unit 6-Chemical Thermodynamics CBSE/Class 11/Science/Chemistry

For a cyclic process, the change in internal energy of the system is (A) always +ve (b) equal to zero... read more
For a cyclic process, the change in internal energy of the system is
(A) always +ve (b) equal to zero
(c) always -ve (d) none of the above read less

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