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Elina [12.6K]
3 years ago
9

3. The breaking down of rocks into smaller pieces by physical

Chemistry
1 answer:
shutvik [7]3 years ago
3 0

Answer:

A. Chemical weathering

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Compare and Contrast the two common forces of gravity and friction.
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Gravity always pulls objects such as a desk, book or person down. Thus, when you jump gravity causes you to land on the ground. Friction, however, doesn't pull objects down

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3 years ago
A chemical engineer is developing a process for producing a new chemical. One step in the process involves allowing a solution o
g100num [7]

Answer:

using a more concentrated potassium hydroxide

Explanation:

<em>The option that would likely increase the rate of reaction would be to use a more concentrated potassium hydroxide.</em>

<u>The concentration of reactants is one of the factors that affect the rate of reaction. The more the concentration of the reactants, the faster the rate of reaction. </u>

Granted that there are enough of the other reactants, increasing the concentration of one of the reactants will lead to an increased rate of reaction.

Hence, using a more concentrated potassium hydroxide which happens to be one of the reactants would likely increase the rate of reaction.

4 0
3 years ago
A substance made up of only one type of atom would be a
mezya [45]

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Element

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Because elements can be made with only one atom the rest of the answers cant be

4 0
3 years ago
The number of kilograms of water in a human body varies directly as the mass of the body. upper a 93​-kg person contains 62 kg o
Bad White [126]

Answer;

56 kg of water


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Weight = 62 kg of water in 93 kg of a person

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Therefore; a 84-kg person will have 56 kg of water.

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