Chemistry, 26.01.2021 03:50 caplode5112

Consider the following changes. H2O(g) → H2O(s)
H2O2(l) → H2O2(g)
H2(g) + F2(g) → 2 HF(g)
2 C4H10(g) + 13 O2(g) → 8 CO2(g) + 10 H2O(l)
Mg3P2(s) + 6 H2O(l) → 3 Mg(OH)2(s) + 2 PH3(g)
(a)
At constant temperature and pressure, in which of these changes is work done by the system on the surroundings? (Select all that apply.)
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(b)
In which of these changes is work done by the surroundings on the system? (Select all that apply.)
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(c)
In which of these changes is no work done? (Select all that apply.)
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Answers: 3

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Consider the following changes. H2O(g) → H2O(s)
H2O2(l) → H2O2(g)
H2(g) + F2(g) → 2 HF(...