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The term ?stoichiometry? involves all except:

Energy yield
Mole relationships
Mass-to-mole conversion
Reaction ratios

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

A limiting reactant is identified using:

Volume ratios
Pressure ratios
Mole ratios
Rate laws

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

In the reaction 2K + 2H?O ? 2KOH + H?, the mole ratio of K to KOH is:

1:01
2:01
2:02
1:02

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

To convert from moles of A to moles of B, one needs:

Mole ratio
Mass ratio
Energy ratio
Atomic ratio

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

Mole ratios are derived directly from:

Empirical data
Experimental error
Balanced equations
Theoretical laws

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

In a stoichiometric reaction, mole ratios act as:

Mass values
Conversion factors
Limiting agents
Oxidizing agents

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

In Al + 3HCl ? AlCl? + 3/2H?, the mole ratio of HCl to H? is:

3:03
2:03
3:01
1:03

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

From the balanced equation 2KClO? ? 2KCl + 3O?, the mole ratio of KClO? to O? is:

2:03
3:02
1:01
3:03

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

In the equation CH? + 2O? ? CO? + 2H?O, the mole ratio of O? to CO? is:

2:01
1:02
1:01
2:02

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

A reaction yielding 2NaCl from 2Na + Cl? gives mole ratio of:

2:01
1:02
1:01
2:02

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

The equation N? + 3H? ? 2NH? shows the mole ratio between H? and NH? as:

3:02
1:03
2:03
3:01

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

In the reaction Fe?O? + 3CO ? 2Fe + 3CO?, mole ratio of Fe?O? to Fe is:

1:03
1:02
2:03
3:02

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

For the equation 2H? + O? ? 2H?O, how many moles of water are produced from 4 moles of H??

2
4
8
6

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

The balanced equation CaCO? ? CaO + CO? gives a mole ratio of:

1:02:01
1:01:01
2:01:01
1:01:02

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

If 2 moles of H? react with 1 mole of O? to form 2H?O, what is the mole ratio of H? to O??

2:01
1:02
1:01
2:02

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

In the reaction C?H? + 5O? ? 3CO? + 4H?O, the mole ratio of C?H? to H?O is:

1:05
1:03
1:04
3:04

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

Given 4NH? + 5O? ? 4NO + 6H?O, what is the mole ratio of O? to H?O?

5:06
4:06
5:04
4:05

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FUNDAMENTAL CONCEPTS OF CHEMISTRY

Which of the following viruses has both DNA and an envelope?

Norovirus
Hepatitis A
HIV
Herpesvirus

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ACELLULAR LIFR

Which virus is most likely to undergo recombination in co-infected host cells?

Influenza virus
HPV
Rabies virus
Poliovirus

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ACELLULAR LIFR

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