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13 Dec 2019

A reaction has ?H^o_rxn = -127 kJ and ?S^o_rxn = 314 J/K. At what temperature is the change in entropy for the reaction equal to the change in entropy for the surroundings?

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Consider the following reaction:

3 H2(g) + N2(g) 2 NH3(g)

The enthalpy change at 298 K for this reaction is Horxn = -92.38kJ/mol. Under the same conditions the entropy change for thereaction is Sorxn = -198.24 J/mol-K. Calculate the value of Gorxnat a temperature of 758 K where the reaction is under standardconditions other than the temperature. Assume that Horxn and Sorxndo not change with temperature.

a) At this temperature Gorxn = 1.50e+05 kJ/mol.
b) At this temperature Gorxn = 5.79e+01 kJ/mol.
c) At this temperature Gorxn = 5.90e+04 kJ/mol.
d) At this temperature Gorxn = -1.51e+02 kJ/mol.
e) At this temperature Gorxn = -1.50e+05 kJ/mol.

A reaction has ÎHârxn= -132 kJ and ÎSârxn= 312 J/K . At what temperature is the change in entropy for the reaction equal to the change in entropy for the surroundings? Express your answer in kelvins.

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A reaction has ?H^o_rxn = -127 kJ and ?S^o_rxn = 314 J/K. At what temperature is the change in entropy for the reaction equal to the change in entropy for the surroundings?

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A reaction has ?Horxn = -127 kJ and ?Sorxn = 314 J/K. At what temperature is the change in entropy for the reaction equal to the change in entropy for the surroundings?

Unlock all answers

Related textbook solutions

Basic Chemistry

Principles of Chemistry Molecular Approach

Chemistry: Structure and Properties

Principles of Chemistry Molecular Approach

Chemistry: A Molecular Approach

Chemistry: A Molecular Approach

Principles of Chemistry: A Molecular Approach

Chemistry: The Central Science

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A reaction has ?H^o_rxn = -127 kJ and ?S^o_rxn = 314 J/K. At what temperature is the change in entropy for the reaction equal to the change in entropy for the surroundings?