2. Predict the sign (positive or negative) of AS° for each of the following a.) 2Ca(s) + O2(g) → 2 CaO(s) b.) Mg(OH)2(s) → Mg2 (aq) → NazCO:(s) 2он (ag) с.) 2NaHCO:(s) H20(g) + CO2(g) d.) 2LIOH(aq) + CO2(g) > LizCO3(aq) H20(1) e.) (NH4)2Cr2O7(s) → N2(g) + 4H20(g) Cr2O3(s) f.) 2N2OS(g) → 4NO2(g) + O2(g) g.) O2(g) + 2F2(g) → 20F2(g)
2. Predict the sign (positive or negative) of AS° for each of the following a.) 2Ca(s) + O2(g) → 2 CaO(s) b.) Mg(OH)2(s) → Mg2 (aq) → NazCO:(s) 2он (ag) с.) 2NaHCO:(s) H20(g) + CO2(g) d.) 2LIOH(aq) + CO2(g) > LizCO3(aq) H20(1) e.) (NH4)2Cr2O7(s) → N2(g) + 4H20(g) Cr2O3(s) f.) 2N2OS(g) → 4NO2(g) + O2(g) g.) O2(g) + 2F2(g) → 20F2(g)
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.92PAE
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Transcribed Image Text:2. Predict the sign (positive or negative) of AS° for each of the following
a.) 2Ca(s)
O2(g) → 2 CaO(s)
b.) Mg(OH)2(s) → Mg²*(aq) +
20H'(aq)
с.) 2NaHCO:(s) >
→ NazCO3(s)
H20(g) + CO2(g)
d.) 2LIOH(aq)
CO2(g) → LizCO3(aq)
H20(1)
+
+
e.) (NH4)2Cr207(s) →
→ N2(g)
4H20(g)
Cr203(s)
f.) 2N2O5(g) →
→ 4NO2(g)
+ O2(g)
g.) O2(g)
2F2(g) → 20F2(g)
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