Chemical Reactions

Front

What is a chemical reaction?

Back

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

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What are reactants in a chemical equation?

Back

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

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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.

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What does a balanced chemical equation represent?

Back

It shows that the number of atoms for each element is the same on both sides of the equation, adhering to the law of conservation of mass.

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What do coefficients in a chemical equation indicate?

Back

They indicate the number of molecules of each reactant and product involved in the reaction.

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What is a phase change in a chemical reaction?

Back

A transition of a substance from one state of matter to another, such as solid, liquid, or gas.

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What is an example of a chemical change?

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Baking powder fizzing when mixed with water, indicating a chemical reaction.

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Is spoiling food a physical or chemical change?

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Chemical change, as it involves a transformation in the composition of the food.

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What is the law of conservation of mass?

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

Front

What is a chemical equation?

Back

A symbolic representation of a chemical reaction, showing the reactants and products.