Reaction involves burning. This reaction requires energy to start, but it releases more energy
than is required to start it. Oxygen is always a reactant, and the products are usually carbon dioxide and water,
A
reaction occurs when a compound breaks down. This reaction has one reactant and two or
more products, Energy, as from a battery, is usually needed to break the compound apart.
A
reaction occurs when two substances combine to form one substance. An example of this kind
of reaction is rusting, in which iron reacts with oxygen.
A reaction that involves the replacement of atoms is a
reaction. An atom from one reactant
replaces an atom in the other reactant. This kind of reaction has two reactants and two products. An example is the
neutralization of an acid and an alkali.
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Smog is the term used to describe the combination of fog and smoke
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Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.
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Apropane torch is lit inside a hot air balloon during preflight preparations to inflate the balloon. which condition of the gas remains constant
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Which of these are physical changes in matter? check all that apply boiling water a pencil being sharpened exploding dynamite freezing water rotting cheese
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Reaction involves burning. This reaction requires energy to start, but it releases more energy
tha...
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