Ok, I have a couple more questions.
1. Which molecular orbitals for homonuclear diatomic molecules are degenerate?
a. sigma molecular orbitals
b. pi molecular orbitals
c. sigma and pi molecular orbitals
d. neither sigma or pi molecular orbitals
My answer: c
2. A process is carried out at constant pressure. Given that ΔE is positive and ΔH is negative:
a. the system absorbs heat and expands during the process
b. the system absorbs heat and contracts during the process
c. the system loses heat and expands during the process
d. the system loses heat and contracts during the process
My answer: c
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