Chemical Reactions

Front

What is a chemical reaction?

Back

A process in which substances (reactants) undergo a transformation to form new substances (products).

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What are reactants in a chemical equation?

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The substances that undergo a chemical change, found on the left side of a chemical equation.

Front

What are products in a chemical equation?

Back

The new substances formed as a result of a chemical reaction, found on the right side of a chemical equation.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed; it remains constant.

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What is an exothermic reaction?

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A chemical reaction that releases heat to the surroundings.

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What is an endothermic reaction?

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A chemical reaction that absorbs heat from the surroundings.

Front

How do you balance a chemical equation?

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By ensuring that the number of atoms of each element is the same on both sides of the equation.

Front

What is the significance of coefficients in a chemical equation?

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Coefficients indicate the number of molecules or moles of a substance involved in the reaction.

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What is a single replacement reaction?

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A type of chemical reaction where one element replaces another in a compound.

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What is a double replacement reaction?

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A type of chemical reaction where two compounds exchange ions or bonds to form new compounds.