a. Determine whether energy as heat is evolved or required in the following process at constant pressure: Ozone, O3, decomposes to form O2. OEnergy is evolved. O Energy is required. b. Determine whether work was done on the system or the system does work on the surroundings in the following process at constant pressure: Ozone, O3, decomposes to form O2. O Work was done on the system. ONo work is done. O The system does work on the surroundings. c. Determine whether energy as heat is evolved or required in the burning of ethane at constant pressure: 2 C2H6 (g) + 7 O2(g) → 4 CO2(g) + 6 H2O(g) O Energy is evolved. O Energy is required. d. Determine whether work was done on the system or whether the system does work on the surroundings in the burning of ethane at constant pressure: 2 C,H6 (g) + 7 O2(g) → 4 CO2(g) + 6 H2O(g) O Work was done on the system. ONo work is done. O The system does work the surroundinge

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Chapter6: Thermochemisty
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a. Determine whether energy as heat is evolved or required in the following process at constant pressure:
Ozone, O3, decomposes to form O2.
OEnergy is evolved.
O Energy is required.
b. Determine whether work was done on the system or the system does work on the surroundings in the following process at constant pressure:
Ozone, O3, decomposes to form O2.
O Work was done on the system.
ONo work is done.
O The system does work on the surroundings.
c. Determine whether energy as heat is evolved or required in the burning of ethane at constant pressure:
2 C2H6 (g) + 7 O2(g) → 4 CO2 (g) + 6 H2O(g)
O Energy is evolved.
O Energy is required.
d. Determine wheth
work was done on the system or whether the system does work on the surroundings
burning of ethane at constant
pressure:
2 C2H6 (g) + 7 O2(g) → 4 CO2 (g) + 6 H2O(g)
O Work was done on the system.
ONo work is done.
O The system does work on the surroundings.
Transcribed Image Text:a. Determine whether energy as heat is evolved or required in the following process at constant pressure: Ozone, O3, decomposes to form O2. OEnergy is evolved. O Energy is required. b. Determine whether work was done on the system or the system does work on the surroundings in the following process at constant pressure: Ozone, O3, decomposes to form O2. O Work was done on the system. ONo work is done. O The system does work on the surroundings. c. Determine whether energy as heat is evolved or required in the burning of ethane at constant pressure: 2 C2H6 (g) + 7 O2(g) → 4 CO2 (g) + 6 H2O(g) O Energy is evolved. O Energy is required. d. Determine wheth work was done on the system or whether the system does work on the surroundings burning of ethane at constant pressure: 2 C2H6 (g) + 7 O2(g) → 4 CO2 (g) + 6 H2O(g) O Work was done on the system. ONo work is done. O The system does work on the surroundings.
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