Calculate the standard free-energy changes for the following reactions at 25°C, X. Production of urea used in synthesizing fertilizers CO,o + 2NH0)→ CO(NH,)2) + H,O) 2(g) 3(g) 2(s) 2. Combustion of acetylene C,H2i9) +O210) 2CO2) + H,O) + H,O ) > 2(g) 2(g) 2(g) 3. Industrial production of hydrogen gas C,H) + 3H,0 C,Halo + 3H,0→ 3CO + 7H, - 3CO, (6), 8(g), . Evaporation of water H,O → H,O) (1) (), 5 Production of electrical energy using Mg and Ca Ca + Mgaq) Cat2 Mg) + (aq) *(s)

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Chapter1: Chemical Foundations
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→ Ca (aq)
Activity 6.3
Calculate the standard free-energy changes for the following reactions at 25°C.
X. Production of urea used in synthesizing fertilizers
COle + 2NH,
CO(NH,)26 + H,0)
2(g)
3(g)
/2(s)
2. Combustion of acetylene
C,Hlo +0,
- 2CO2l0) + H,O)
2(g)
2(g)
2(g)
3. Industrial production of hydrogen gas
C,Ho + 3H,0
→3CO + 7H.
'2(g)
(6),
(6),
4. Evaporation of water
H,0 → H,O
(g)
Production of electrical energy using Mg and Ca
+ Mg)
Ca, + Mg*2
(aq)
(s),
Transcribed Image Text:→ Ca (aq) Activity 6.3 Calculate the standard free-energy changes for the following reactions at 25°C. X. Production of urea used in synthesizing fertilizers COle + 2NH, CO(NH,)26 + H,0) 2(g) 3(g) /2(s) 2. Combustion of acetylene C,Hlo +0, - 2CO2l0) + H,O) 2(g) 2(g) 2(g) 3. Industrial production of hydrogen gas C,Ho + 3H,0 →3CO + 7H. '2(g) (6), (6), 4. Evaporation of water H,0 → H,O (g) Production of electrical energy using Mg and Ca + Mg) Ca, + Mg*2 (aq) (s),
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