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Could someone explains reaction heat and Entropy and Free Entropy

Could someone explains reaction heat and Entropy and Free Entropy to me. And can you please give an example of each.Thanks Much!
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2. asked by Hello Kit
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true or falseEntropy always tend to favor mixing Mixing result in positive change in entropy Entropy allows endothermic
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2. asked by Jazz
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For which of the reactions listed below will Gibbs free energy always be negative?A. An exothermic reaction that increases in
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2. asked by Cortey
3. 4,849 views
What does the second law of thermodynamics say about entropy?A. Only changes in entropy can be measured. B. The entropy in a
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2. asked by Morgan
3. 1,125 views
When heat flows from a hot spot to a cooler spot, entropy increases. When heat is forced to flow from a cool spot to a warmer
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2. asked by Clueless
3. 1,696 views
When heat flows from a hot spot to a cooler spot, entropy increases. When heat is forced to flow from a cool spot to a warmer
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2. asked by Clueless
3. 529 views
Which of the following criteria indicate that a reaction is SPONTANEOUS? Check all that apply.a) The change in free energy is
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2. asked by Pam
3. 1,105 views
What must be true for a substance to dissolve in water?A. The entropy term must be positive. B. The enthalpy and entropy terms
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2. asked by Cortney
3. 2,933 views
Check the correct statements for the above reaction.Choose at least one answer. a. The reaction is exothermic. b. The reaction
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2. asked by Anonymous
3. 771 views
What is the standard entropy of reaction, the standard entropy of reaction, in J/K, for the combustion reaction of ethylene
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2. asked by bekah
3. 1,255 views