Without doing a calculation, predict whether the entropy change will be positive or negative when each reaction occurs in the direction it is written. N₂(g) + 3 H₂(g) → 2 NH3(g) a. positive negative CH3OH() + 3/2 O₂(g) → CO₂(g) + 2 H₂O(g) b. positive negative C₂H4 (9) + H₂(g) → C₂H6 (9) positive negative HCl(g) + NH3(g) → NH4Cl(s) d. positive negative C.

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Chapter1: Chemical Foundations
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Without doing a calculation, predict whether the entropy change will be positive or negative when each reaction occurs in the direction it is written.
N₂(g) + 3 H₂(g) → 2 NH3 (9)
positive
onegative
CH3OH(l)+3/2 O,(g) → CO,(g)+2H,O(g)
b.
positive
onegative
C₂H4 (9) + H₂(g) → C₂H6 (9)
positive
onegative
HCl(g) + NH3(g) → NH4Cl(s)
a.
C.
d. positive
onegative
Transcribed Image Text:Without doing a calculation, predict whether the entropy change will be positive or negative when each reaction occurs in the direction it is written. N₂(g) + 3 H₂(g) → 2 NH3 (9) positive onegative CH3OH(l)+3/2 O,(g) → CO,(g)+2H,O(g) b. positive onegative C₂H4 (9) + H₂(g) → C₂H6 (9) positive onegative HCl(g) + NH3(g) → NH4Cl(s) a. C. d. positive onegative
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