4. For each of the following, combine the given equations to obtain the overall equation and calculate the enthalp. change for the overall reaction. (4 points) Given: 2 CHa(g) + 3 0:(g) → 2 CO(g) + 4 H2O(g) 2 CO2(g) 2 CO(g)+ O(8) Overall: CHa(g) + 2 O2(g) 2 H20(g) + CO2(g). А. AH =-1038.6 kJ and AH= 566.0 kJ Given: 2 NH3(g) → N2(g) + 3 H2(g) N2H«(1) + H2(g)→ 2 NH3(g) Overall: N2(g) + 2 H2(g) N2H4(1) В. AH-92.4 kJ and AH -143.4 kJ AH = 84.06 kJ and
4. For each of the following, combine the given equations to obtain the overall equation and calculate the enthalp. change for the overall reaction. (4 points) Given: 2 CHa(g) + 3 0:(g) → 2 CO(g) + 4 H2O(g) 2 CO2(g) 2 CO(g)+ O(8) Overall: CHa(g) + 2 O2(g) 2 H20(g) + CO2(g). А. AH =-1038.6 kJ and AH= 566.0 kJ Given: 2 NH3(g) → N2(g) + 3 H2(g) N2H«(1) + H2(g)→ 2 NH3(g) Overall: N2(g) + 2 H2(g) N2H4(1) В. AH-92.4 kJ and AH -143.4 kJ AH = 84.06 kJ and
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Answer Q4. A & B
Transcribed Image Text:4. For each of the following, combine the given equations to obtain the overall equation and calculate the enthalpy
change for the overall reaction. (4 points)
010
Given: 2 CHa(g) + 3 O2(g) → 2 CO(g) + 4 H20(g)
2 CO2(g) 2 CO(g)+ O2(g)
Overall: CH(g) + 2 O2(g) → 2 H2O(g) + CO2(g).
А.
AH =-1038.6 kJ and
AH= 566.0 kJ
Given: 2 NH:(g) → N2(g) + 3 H2(g)
N2H4(1) + H2(g) → 2 NH3(g))
Overall: N2(g) + 2 H2(g) → N2H«(1)
AH= 92.4 k.J and
AH =-143.4 kJ
В.
С.
AH = 84.06 kJ and
Given: 2 N2Os(g) 2 N2(g) + 5 O2(g)
2 NO(g)→ N2(g) + O2(g)
Overall: 4 NO(g) + 3 O2(g)→ 2N2OS(g)
AH = -180.8 kJ
D. Given: 2 Fe3O4(s) → 6 FeO(g) + O2(g)
2 Fe(s) + O2(g)→ 2 FeO(s)
Overall: 3 Fe(s) + 2 O2(g) → Fe:O4(s)
AH = 609.8 kJ and
AH= -544.0 k.J
AH = 1013.7 kJ and
Given: 2 CO2(g) + H2(g) → C2H2(g) + 2 O2(g)
C2H2(g) + 2 H2(g) → C2H6(g)
Overall: C2H6(g) + 2 O2(g) → 2 CO2(g) + 3 H2(g)
E.
AH = -311.4 kJ
1158 0 kJ and
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