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Chemical Reactions

Teacher: Martin
Across
A ratio between the amount of a substance dissolved in a given volume of liquid.
The speed at which reactants are consumed and products produced in a chemical reaction is called the_____ of reaction.
A _______ reaction is one where a molecule in the reactants breakdown during the reaction into its individual components.
In the chemical reaction in which hydrogen and oxygen combine to make water, the hydrogen and oxygen are examples of ____.
What kind of substance speeds up a chemical reaction without being used up?
________ energy is the amount of energy required to start a chemical reaction.
During a lab, you mix two solutions together and notice that the beaker suddenly gets very cold. The chemical reaction that took place is _______.
A reaction in which individual atoms in the reactants combine to form molecules in the products.
Down
During a lab, you mix two solutions together and notice that the beaker suddenly gets very warm. The chemical reaction that took place is _________.
In a chemical _____, chemical bonds are broken and formed.
In the chemical reaction in which magnesium and hydrochloric acid combine to make magnesium chloride and hydrogen, the hydrogen is a _______.
A _______ chemical reaction is one that has the same number of atoms on each side of the reaction.