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1. gas to liquid

2. liquid to gas
3. solid to gas
4. solid to liquid
5. gas to solid
6. liquid to solid

Please label the reactions above into the groups:
ΔH=+, ΔS=+
ΔH=+, ΔS=-
ΔH=-, ΔS=+
ΔH=-, Δs=-

1 answer

1. gas to liquid.
Condensing a gas to a liquid is exothermic; therefore dH is -.
Gas to liquid means more order; therefore, dS is -

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