Iron oxide ores, commonly a mixture of FeO and Fe 2 O 3 , are given the general formula Fe 2 O 3 . They yield elemental iron when heated to a very high temperature with either carbon monoxide or elemental hydrogen. Balance the following equations for these processes. m:math> Fe 2 O 4 ( s ) + H 2 ( g ) → Fe ( s ) + H 2 O ( g ) Fe 2 O 4 ( s ) + CO ( g ) → Fe ( s ) + CO 2 ( g )
Iron oxide ores, commonly a mixture of FeO and Fe 2 O 3 , are given the general formula Fe 2 O 3 . They yield elemental iron when heated to a very high temperature with either carbon monoxide or elemental hydrogen. Balance the following equations for these processes. m:math> Fe 2 O 4 ( s ) + H 2 ( g ) → Fe ( s ) + H 2 O ( g ) Fe 2 O 4 ( s ) + CO ( g ) → Fe ( s ) + CO 2 ( g )
Solution Summary: The author explains how balancing a chemical equation is important to make the equation follow the conservation mass of law.
Iron oxide ores, commonly a mixture of
FeO
and
Fe
2
O
3
, are given the general formula
Fe
2
O
3
. They yield elemental iron when heated to a very high temperature with either carbon monoxide or elemental hydrogen. Balance the following equations for these processes.
m:math>
Fe
2
O
4
(
s
)
+
H
2
(
g
)
→
Fe
(
s
)
+
H
2
O
(
g
)
Fe
2
O
4
(
s
)
+
CO
(
g
)
→
Fe
(
s
)
+
CO
2
(
g
)
In the battery:Pt | H2 (g) | H+ (aq) | Fe2+ (aq) | FeIndicate the cathode and anode.
Write the equations that occur when the electrode Pb (s) | PbI2 (s) | KI (ac) in a galvanic cell. a) It functions as a positive electrode b) It functions as a negative electrode c) What is the ion with respect to which this electrode is reversible?
State the formula to find the electromotive force of a battery as a function of the potential of the anode and the cathode.
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