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Spontaneous Reaction

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Sections
Spontaneous Reaction	10 mins	0 completed	Learn
First Law of Thermodynamics	6 mins	0 completed	Learn Summary
Entropy	58 mins	0 completed	Learn Summary
Gibbs Free Energy	30 mins	0 completed	Learn

Additional Practice
Second and Third Laws of Thermodynamics
Boltzmann Equation

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Next SectionFirst Law of Thermodynamics

Solution: Consider the signs for ΔHrxn and ΔSrxn for several different reactions. In which case is the reaction spontaneous at all temperatures?a) ΔHrxn < 0; ΔSrxn < 0b) ΔHrxn > 0; ΔSrxn > 0c) ΔHrxn

Problem

Consider the signs for ΔH_rxn and ΔS_rxn for several different reactions. In which case is the reaction spontaneous at all temperatures?
a) ΔH_rxn < 0; ΔS_rxn < 0
b) ΔH_rxn > 0; ΔS_rxn > 0
c) ΔH_rxn < 0; ΔS_rxn > 0
d) ΔH_rxn > 0; ΔS_rxn < 0

Spontaneous Reaction

Solution: Consider the signs for ΔHrxn and ΔSrxn for several different reactions. In which case is the reaction spontaneous at all temperatures?a) ΔHrxn &lt; 0; ΔSrxn &lt; 0b) ΔHrxn &gt; 0; ΔSrxn &gt; 0c) ΔHrxn

Problem

Practice Problems

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Solution: Consider the signs for ΔHrxn and ΔSrxn for several different reactions. In which case is the reaction spontaneous at all temperatures?a) ΔHrxn < 0; ΔSrxn < 0b) ΔHrxn > 0; ΔSrxn > 0c) ΔHrxn