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chemical reactions (science)
Terms in this set (17)
In a chemical equation a ___________tells you how many atoms or molecules of a reactant or product take part in a reaction
In a _________ change, elements and/or compounds rearrange to form new substances.
__________ changes occur when bonds form between atoms, or when bonds break and new bonds form.
A precipitate is a ___________________ that forms from solution during a chemical reaction.
In a chemical equation, the substances written on the right side of the arrow are called __________________.
The principle of _________________________ states that during a chemical reaction, matter is not created or destroyed.
conservation of mass
A reaction in which one element replaces another in a compound or in which two elements in different compounds trade places is called a __________________ reaction
A chemical reaction that releases energy in the form of heat is an ____________________ reaction.
The ____________________ is the amount of one material present in a given volume of another material.
A burning match is an example of an ____________________ where matter can enter from or escape to the surroundings.
The process of solid ice changing into liquid water is a ____________________ change.
The production of a gas when acid is added to a sample of chalk is an indication of a ____________________ reaction.
The _________________________ of a compound shows the ratio of elements present in the compound.
In a ____________________ reaction, the products are simpler substances than the reactant.
The _________________________ is the minimum amount of energy that must be added to start a chemical reaction.
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