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19 Cards in this Set
- Front
- Back
- 3rd side (hint)
In a _____, the total mass of the product always equals the total mass of the reactants. |
balanced chemical recation |
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_____ is an enzyme that breaks down cellulose. |
cellulace |
A instead of O |
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_____ states that increasing temperature favors a reaction that absorbs energy as heat. |
Le Châtelier's principle |
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In a _____, the reactants are broken down into other substances. |
decomposition reaction |
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A chemical reaction that transfers energy from the reactants to the surrounding is referred to as _____. |
exothermic |
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When a chemical reaction and it's reverse are occurring at the same time and at the same rate, the reaction has achieved _____. |
equilibrium |
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A change of _____ is a sign that a chemical reaction is taking place. |
color |
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Large, bulky molecules react more slowly than small ones because _____. |
they have less opportunity to collide with other molecules |
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The changes that are visible during a chemical reaction are _____. |
signs that the atoms in the reactants have been rearranged |
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A _____ is said to be reduced when it gains electrons. |
substance |
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The product of the synthesis reaction between sodium and chlorine gas is _____. |
sodium chloride |
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A chemical equation is balanced by changing or adding _____. |
coefficients |
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The energy source in photosynthesis is _____. |
light energy |
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A substance that undergoes a change in a chemical recation is a _____. |
reactant |
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A _____ is a reaction between at least two compounds in which a new, more complex compound is formed. |
synthesis reaction |
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In an _____, energy is transferred from the reactants to the surroundings |
exothermic reaction |
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If you _____ the temperature of a reaction, generally you will _____ the rate of the reaction. Likewise - If you _____ the temperature of a reaction, generally you will _____ the rate of the reaction. |
increase decrease |
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When a reaction is at its _____, increasing the pressure favors the reaction that produces less gas. |
equilibrium |
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In a state of _____, a reaction and it's reverse occur at the same time and at the same rate. |
equilibrium |
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