Balance the following reactions and write the reactions using cell notation. Ignore any inert electrodes, as they are never part of the half-reactions. (a) Al ( s ) + Zr 4 + ( a q ) → Al 3 + ( a q ) + Zr ( s ) (b) Ag + ( a q ) + No ( g ) → Ag ( s ) + NO 3 − ( a q ) (acidic solution). (C) SiO 3 2 − ( a q ) + Mg ( s ) → Si ( s ) + Mg ( OH ) 2 ( s ) (basic solution). (d) CIO 3 − ( a q ) + MnO 2 ( s ) → CI − ( a q ) + MnO 4 − ( a q ) (basic solution)
Balance the following reactions and write the reactions using cell notation. Ignore any inert electrodes, as they are never part of the half-reactions. (a) Al ( s ) + Zr 4 + ( a q ) → Al 3 + ( a q ) + Zr ( s ) (b) Ag + ( a q ) + No ( g ) → Ag ( s ) + NO 3 − ( a q ) (acidic solution). (C) SiO 3 2 − ( a q ) + Mg ( s ) → Si ( s ) + Mg ( OH ) 2 ( s ) (basic solution). (d) CIO 3 − ( a q ) + MnO 2 ( s ) → CI − ( a q ) + MnO 4 − ( a q ) (basic solution)
Balance the following reactions and write the reactions using cell notation. Ignore any inert electrodes, as they are never part of the half-reactions.
(a)
Al
(
s
)
+
Zr
4
+
(
a
q
)
→
Al
3
+
(
a
q
)
+
Zr
(
s
)
(b)
Ag
+
(
a
q
)
+
No
(
g
)
→
Ag
(
s
)
+
NO
3
−
(
a
q
)
(acidic solution).
(C)
SiO
3
2
−
(
a
q
)
+
Mg
(
s
)
→
Si
(
s
)
+
Mg
(
OH
)
2
(
s
)
(basic solution).
(d)
CIO
3
−
(
a
q
)
+
MnO
2
(
s
)
→
CI
−
(
a
q
)
+
MnO
4
−
(
a
q
)
(basic solution)
"Water gas" is an industrial fuel composed of a mixture of carbon monoxide and hydrogen gases. When this
fuel is burned, carbon dioxide and water result. From the information given below, write a balanced equation
and determine the enthalpy of this reaction:
CO(g) + O2(g) → CO₂(g) + 282.8 kJ
H2(g) + O2(g) → H₂O(g) + 241.8 kJ
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4. Calculate AG for the following reaction at 25°C. Will the reaction occur (be spontaneous)? How do you
know?
NH3(g) + HCl(g) → NH4Cl(s)
AH=-176.0 kJ
AS-284.8 J-K-1
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