SPS3: Law of Conservation of Matter Vocabulary Quiz Prep

Question 1 of 6

1. Question

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Process of breaking chemical bonds in one or more substance and the reforming of new bonds to create new substances
A solid that forms and is insoluble in a liquid reaction mixture.
A starting ingredient that goes into a chemical reaction.
A new substance formed in a chemical reaction.

Chemical reaction

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Precipitate

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Reactant

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Product

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Question 2 of 6

2. Question

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A law that states that the total mass of the reactants equals the total mass of the products in a chemical reaction.
Sum of the atomic mass values of the atoms in a chemical formula.
An expression of chemical reaction using chemical formulas and symbols.
A whole number placed in front a chemical formula in a chemical equation.

Law of conservation of mass

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Formula mass

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Chemical equation

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Coefficient

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Question 3 of 6

3. Question

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A chemical reaction in which two or more substances combine to form a new compound.
A chemical reaction in which a compound is broken down into two or more smaller substances.
A chemical reaction in which one element replaces a similar element in a compound.
A chemical reaction in which ion from two compounds in solutions exchange places to produce two new compounds.

Synthesis reaction

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Decomposition reaction

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Single-displacement/replacement reaction

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Double-displacement/replacement reaction

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Question 4 of 6

4. Question

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A chemical reaction that results in a large amount of energy being released when a carbon compound combines with oxygen.
A chemical reaction that releases more energy than it uses.
A chemical reaction that uses more energy than it releases.
Amount of energy needed to break chemical bonds in the reactants to start a reaction.

Combustion reaction

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Exothermic

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Endothermic

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Activation energy

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Question 5 of 6

5. Question

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An endothermic reaction that occurs when an ionic compound dissolves in water to make an ionic solution.
A reactant that is used up first in a chemical reaction.
A reactant that is not completely used up in a chemical reaction.
The actual yield of a product in a chemical reaction divided by the predicted yield and multiplies by 100.

Dissolution reaction

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Limiting reactant

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Excess reactant

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Percent yield

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Question 6 of 6

6. Question

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The concept that all atoms and molecules exhibit random motion.
The change in concentration of reactants or products in a chemical reaction over time.
A molecule added to a chemical reaction that increases the reaction rate without getting used up in the process.
A molecule that slows down a chemical reaction.

Kinetic molecular theory

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Reaction rate

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Catalyst

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Inhibitor

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SPS3: Law of Conservation of Matter Vocabulary Quiz Prep

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SPS3: Law of Conservation of Matter Vocabulary Quiz Prep