8. Thermochemistry
Internal Energy
31PRACTICE PROBLEM
When ΔUsys > 0, which statement is true?
When ΔUsys > 0, which statement is true?
ANSWERS OPTIONS
A
For ΔUsys > 0, Usys increases while Usurr decreases.
B
For ΔUsys > 0, both Usys and Usurr increases.
C
For ΔUsys > 0, Usys does not change while Usurr decreases.
D
For ΔUsys > 0, Usys increases while Usurr does not change.
E
For ΔUsys > 0, Usys decreases while Usurr increases..
F
For ΔUsys > 0, both Usys and Usurr decreases.