AP
Chapter 6 practice test
Ap Chemistry Scoring Guide Chapter 6 Test Questions And
Answers 2026
1. 3 C2H2(g) → C6H6(g)
What is the standard enthalphy change ΔHo, for the reaction represented above?
(ΔHof of C2H2(g) is 230 kJ mol-1;
(ΔHof of C6H6(g) is 83 kJ mol-1;)
A
B -147 kJ
C -19 kJ
D +19 kJ
E +773 kJ
2. A→X
The enthalpy change for the reaction represented above is ΔHT. This reaction can be
broken down into a series of steps as shown in the diagram:
A relationship that must exist among the various enthalpy changes is
, AP
Chapter 6 practice test
Page 1 of 12
Chapter 6 practice test
Ap Chemistry Scoring Guide Chapter 6 Test Questions And
Answers 2026
1. 3 C2H2(g) → C6H6(g)
What is the standard enthalphy change ΔHo, for the reaction represented above?
(ΔHof of C2H2(g) is 230 kJ mol-1;
(ΔHof of C6H6(g) is 83 kJ mol-1;)
A
B -147 kJ
C -19 kJ
D +19 kJ
E +773 kJ
2. A→X
The enthalpy change for the reaction represented above is ΔHT. This reaction can be
broken down into a series of steps as shown in the diagram:
A relationship that must exist among the various enthalpy changes is
, AP
Chapter 6 practice test
Page 1 of 12
