Please
note: All of the equations given are balanced.
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1.
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For the
reaction
C + 2 H2 -->
CH4
how many moles of hydrogen are required to produce 10 moles of methane
(CH4)?
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2.
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For the
reaction
2 H2 + O2
--> 2 H2O
how many grams of water are produced from 6.00 moles of
hydrogen?
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3.
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For the
reaction
N2 + 3 H2
--> 2 NH3
how many moles of nitrogen are required to produce 18 moles of ammonia
(NH3)?
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4.
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If a chemist
calculates the maximum amount of product that could be obtained in a chemical reaction, he or she is
calculating the A | theoretical
yield | C | percent yield | B | mole ratio | D | actual
yield | | | | |
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5.
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In the
reaction
6 CO2 + 6 H2O
--> C6H12O6 + 6
O2
the mole ratio of water to oxygen is
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6.
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In the
equation
2 KClO3 --> 2 KCl +
3 O2
the number of moles of oxygen produced when 1.0 mole of potassium chlorate is
decomposed is
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7.
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The number of
moles of aluminum atoms reacting with 3 moles of oxygen molecules in the following balanced equation
is
4 Al + 3 O2 --> 2
Al2O3
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8.
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In the
reaction
A + B --> C +
D
if there is more reactant B than is required to react with all of reactant A,
then A | A is the limiting reactant | C | there is no limiting reactant | B | B is the limiting reactant | D | no product can be formed | | | | |
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9.
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When the limiting
reactant in a chemical reaction is completely used, the A | excess reactants begin combining | C | reaction speeds up | B | reaction slows down | D | reaction stops | | | | |
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10.
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In the
reaction
2 C2H2 (g) + 5
O2 (g) --> 4 CO2 (g) + 2 H2O
(g)
what is the total number of moles of acetylene (C2H2) needed to
completely react with 40. grams of oxygen?
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11.
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How many grams of
water are needed to produce 22.4 grams of hydrogen bromide via the following
reaction?
2 Br2 + 2 H2O --> 4 HBr +
O2 A | 201
g | B | 4.98 g | C | 9.97 g | D | 2.49
g | | | | | | | | |
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