Chemistry, 25.01.2022 01:30 sheazy3709
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: 2
Chemistry, 23.06.2019 02:00
Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?
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Chemistry, 23.06.2019 04:30
Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction
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Chemistry, 23.06.2019 13:00
How does the kinetic energy of a substance's particle in the solid phase compare to their kinetic enegy in the liquid phase?
Answers: 1
Chemistry, 23.06.2019 15:30
Acontainer holds 6.4 moles of gas. hydrogen gas makes up 25% of the total moles in the container. if the total pressure is 1.24atm. what is the partial pressure of hydrogen
Answers: 3
Select the correct answer from each drop-down menu.
Complete these descriptions of different kinds...
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