Is this a known entropy formula?
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Entropy Formula. ... If the process is at a constant temperature then , where ΔS is the change in entropy, qrev is the reverse of the heat, and T is the Kelvin temperature. 2. If the reaction is known, then ΔSrxn can be calculated using a table of standardentropy values.
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entropy is a function of the state of the system, a change in entropy of a system is determined by its initial and final states. This applies whether the process is reversible or irreversible. However, irreversible processes increase the combined entropy of the system and its environment.The change in entropy of the surroundings after a chemical reaction at constant pressure and temperature can be expressed by the formula.
ΔSsurr = -ΔH/T.
ΔSsurr = -ΔH/T.
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