Chemistry, 24.01.2022 23:40 babowmanjacob666
Select the correct answer from each drop-down menu.
Complete these descriptions of different kinds of chemical reactions.
A
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.
Answers: 3
Chemistry, 22.06.2019 10:30, ciel8809
Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.
Answers: 1
Chemistry, 22.06.2019 16:00, annsmith66
What statement goes against the kinetic theory of gases
Answers: 1
Select the correct answer from each drop-down menu.
Complete these descriptions of different kinds...
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