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Thermodynamics
Why is enthalpy considered more useful than internal energy in chemical reactions?
Internal energy (U) and enthalpy (H) are measured by keeping constant volume and pressure respectively. Since most of the reactions occur under atmospheric pressure, so enthalpy is more useful than internal energy in chemical reactions.
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Why all living systems need to be 'open systems'?
Define state variables of a system.
From thermodynamic point of view, to which system the animals and plants belong?
What is a state function?
What is reversible process in thermodynamics?
Define irreversible change.
Give one difference between an isothermal and an adiabatic process.
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