What is internal energy?...

What is internal energy?

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Is the internal energy of a system at 25^(@)C greater or less than its internal energy at 50^(@)C ?

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For chemical changes, why is the change in enthalpy more useful than the change in internal energy?

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In the process AtoBtoC , the change in internal energy of the system in the steps AtoB and B to C are -x jK*mol^(-1) and ykJ*mol^(-1) , respectively. What will be the change in internal energy of the system in the step C toA ?

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What is internal energy?
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if the internal energy of the system is decreased by 100 joule and hea...
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Standard heat of formation of C2H6(g),CO2(g) and H2O(l) are -21.1,-94....
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Define enthalpy of transition.
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Heat of combustion of rhombic and monoclinic sulphur be-295.1 KJ mol^(...
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Define Bond energy
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The bond energy of C-C,C=C,H-H and C-H bond are 350 ,600,400 and 410 K...
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under what condition an adiabatic process may become isentropic?
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Write down the statement of third law of thermodynamics.
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Calculate the standard entropy change of the following reaction at 25^...
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