Question: a 5) Another ideal gas, initially contained in some volume, freely and adiabatically expands after a valve is opened (no work) so it quadruples its

a 5) Another ideal gas, initially contained in some volume, freely

a 5) Another ideal gas, initially contained in some volume, freely and adiabatically expands after a valve is opened (no work) so it quadruples its initial volume. If this gas has 1.5 mols of molecules. Calculate the change in entropy. Is this an irreversible process? Does the temperature of the system change? If so, why

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