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Q:
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The formation of Al2O3 in the reaction below is an example of which type of reaction?
2Al + Fe2O3 → Al2O3 + 2Fe |
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A
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combination reaction |
B
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combustion reaction |
C
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single replacement reaction |
D
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double replacement reaction |
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Tags:
Miscellaneous General Chemistry | Chemical Equilibrium | |
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| 2 |
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Q:
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In a closed system with constant temperature, pressure can be plotted against volume in a PV diagram. Given this, which of the following is NOT true? |
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A
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The amount of energy expended by the system can be estimated by an area on the graph. |
B
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The relationship between pressure and volume would always be linearly decreasing. |
C
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The change in internal energy is equal to 0. |
D
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An appropriate example that can be plotted in this PV diagram is an ideal gas in a container (in a constant-temperature environment) which is allowed to expand slowly. |
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Tags:
Energy & Work | Miscellaneous General Chemistry | Quantitative Skills | Thermochemistry | |
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| 3 |
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Q:
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Which of the following would NOT explain why the percent yield for a reaction could be calculated as less than 100%? |
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A
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A side reaction occurred. |
B
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The reaction was incomplete. |
C
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There was solvent contaminating the product. |
D
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The reactants were impure. |
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Tags:
Miscellaneous General Chemistry | Stoichiometry | |
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| 4 |
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Q:
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Calcium hydroxide reacts with sulfuric acid to make calcium sulfate and water. This serves as an example of a: |
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A
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neutralization reaction. |
B
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single displacement reaction. |
C
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redox reaction. |
D
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decomposition reaction. |
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Tags:
Miscellaneous General Chemistry | |
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