Standard Entropy and Entropy Change (A-Level Chemistry)

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Outlining entropy change and standard molar entropies. How to find entropy change for a process using standard molar entropies is outlined, with the combustion of methane used as an example.

Recap: 00:36
Entropy change: 02:29
Predicting entropy change: 03:52
Standard molar entropies: 06:50
Standard entropy change: 08:36
Calculating entropy change (combustion of methane example): 09:01
Summary: 11:33

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How it is calculated the standard Entropy for each substance? if it is just delta enthalpy(or heat transfered by the surroundings) divided temperature, every substance would have the same entropy for any given temperature.

EdwinMartin-wxoe