More Challenging Questions
These questions require more thought and integrate several concepts.
Calculate the entropy change for formation of exactly 1 mol of each of these gaseous hydrocarbons under standard conditions from carbon (graphite) and hydrogen. What trend do you see in these values? Does ΔS° increase or decrease on adding H atoms?
(a) acetylene, C2H2(g)
(b) ethylene, C2H4(g)
(c) ethane, C2H6(g)
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