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In which phase of matter or molecules of the substance farther is apart from each other?
hydrogen
aq
Precipitate
False
True
Gas
Vaporization
Exergonic
The amount of energy needed to change a material from liquid to a gas is the heat of _______.
hydrogen
aq
Precipitate
False
True
Gas
Vaporization
Exergonic
A solid produced from two liquids in a double displacement chemical reaction is called a
hydrogen
aq
Precipitate
False
True
Gas
Vaporization
Exergonic
True or False, a state of matter change is a chemical reaction.
hydrogen
aq
Precipitate
False
True
Gas
Vaporization
Exergonic
When sugar reacts with potassium chlorate, it releases light into the environment. This type of reaction is
hydrogen
aq
Precipitate
False
True
Gas
Vaporization
Exergonic
In a reaction in which hydrogen reacts with oxygen to produce water, which substances are reactants?
hydrogen
aq
Precipitate
False
True
Gas
Vaporization
Exergonic
True or false A chemical change happens when two solutions are mixed in a beaker and it produces a solid.
hydrogen
aq
Precipitate
False
True
Gas
Vaporization
Exergonic
In a chemical equation the symbol that means dissolved in water is ______.
hydrogen
aq
Precipitate
False
True
Gas
Vaporization
Exergonic
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