Chemistry, 25.01.2022 02:20 TH3L0N3W0LF

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

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 20:50

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Answers: 2

Answer

Chemistry, 22.06.2019 08:50

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

Answers: 3

Answer

Chemistry, 22.06.2019 10:30

In pqr m< p=60 m< q= 30 and m

Answers: 1

Answer

Chemistry, 22.06.2019 13:30

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6

Answers: 2

Answer

You know the right answer?

Select the correct answer from each drop-down menu. Complete these descriptions of different kinds...

Questions