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Chemical Equations & Balancing Equations
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A reaction in which energy is absorbed
endothermic energy
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What are the numbers called in front of an element in a chemical equation
coefficient
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In a chemical equation reactants on the left yield what?
products
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are materials that decrease the rate of reaction by raising the activation energy.
inhibitors
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There are several factors that can speed up a chemical reaction. Those factors are:
Increase in surface area,increase in temperature, Increase in surface area, and a catalyst
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This states that matter is neither destroyed or created
Law of the Conservation of Mass
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A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound
subscript
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This is when elements in one compound appear to “trade places” with elements in another compound.
double replacement
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What are substances on the left called
reactants
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What are substances on the right called in a chemical equation
products
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When two or more elements/ compounds combine to make a more complex substance. ‘Synthesize’ means to put things together.
Synthesis Reaction
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What uses chemical formulas and symbols to show a chemical reaction.
Chemical Equations
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What is a reaction that releases energy in the form of heat
exothermic energy
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When one element replaces another in a compound.
Single Replacement
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The formula for Ammonia is
NH|
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The formula for Ammonia is
NH^3
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What is substance that speeds up the rate of a chemical reaction
catalyst
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What is the process that breaks down compounds into simpler products.
decompostions
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The formula for Carbon Dioxide is
CO^2
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What is energy needed to start a chemical reaction
activation energy
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What are the 4 types of reactions
synthesis, decomposition, single replacement & double replacement
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What is a substance that slows down or stops a chemical reaction
inhibitor
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