If ΔHr for the following reaction is -36.40 kJ/mol, a) what is the enthalpy of formation of HBr(g)? 1/2 H2(g) + 1/2 Br2(l) <=====> HBr(g) b) Is there a generalization of the use of enthalpy of formation data to calculate ΔHr for a chemical reaction? If so what is it? c) According to the criteria for an enthalpy of formation of reaction, what must be the enthalpy of formation of any element in its stable state of aggregation at 1 bar>
If ΔHr for the following reaction is -36.40 kJ/mol, a) what is the enthalpy of formation of HBr(g)? 1/2 H2(g) + 1/2 Br2(l) <=====> HBr(g) b) Is there a generalization of the use of enthalpy of formation data to calculate ΔHr for a chemical reaction? If so what is it? c) According to the criteria for an enthalpy of formation of reaction, what must be the enthalpy of formation of any element in its stable state of aggregation at 1 bar>
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.99QE
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If ΔHr for the following reaction is -36.40 kJ/mol,
a) what is the enthalpy of formation of HBr(g)?
1/2 H2(g) + 1/2 Br2(l) <=====> HBr(g)
b) Is there a generalization of the use of enthalpy of formation data to calculate ΔHr for a
c) According to the criteria for an enthalpy of formation of reaction, what must be the enthalpy of formation of any element in its stable state of aggregation at 1 bar>
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