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What is meant by enthalpy ? Can a decrea...

What is meant by enthalpy ? Can a decrease in enthalpy be the criterion for the sponatneity of all reactions? If not, why?

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  16. Give two statements for the second law of thermodynamics.

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  17. What is Gibbs free energy change? Discuss its physical significance.

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  18. What do symbolsDeltaH, DeltaSandDeltaG signify ? How are they inter-re...

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