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Troyanec [42]
3 years ago
7

When a chemical reaction destroys a solid

Chemistry
1 answer:
bogdanovich [222]3 years ago
7 0

Answer:

??? lo siento no hablo espanol

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During the apollo missions,an astronaut took a golf ball to the moon. He placed it on the moon’s surface and hit the ball with a
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Answer:

b.)

Explanation:

Because you would have a different weight on the moon because of it's low gravity

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Which is the most accurate description of compounds?
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Answer: c.They have a unique set of properties that can be used as identifiers.

Explanation:

Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.

Compounds can be decomposed into simpler constituents using chemical reactions.

Example: Water (H_2O)

2H_2O\rightarrow 2H_2+O_2

Compounds have different properties than the elements it is made up of.

Thus the most accurate description of compounds is that they have a unique set of properties that can be used as identifiers.

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Butters can jump 5.5 feet. How many inches can he jump? (12 in = 1 ft)
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Which of the following characteristics must be present for a substance to be called a mineral?
MArishka [77]
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which of the following best helps explain why an increase in temperature increases the rate of a chemical reaction?
NeTakaya

The given question is incomplete. The complete question is as follows.

Which of the following best helps explain why an increase in temperature increases the rate of a chemical reaction?

(a)   at higher temperatures, high-energy collisions happen less frequently.

(b)  at low temperatures, low-energy collisions happen more frequently.

(c)   at higher temperatures, less-energy collisions happen less frequently.

(d)  at higher temperatures, high-energy collisions happen more frequently

Explanation:

When we increase the temperature of a chemical reaction then molecules of the reactant species tend to gain kinetic energy. As a result, they come into motion which leads to more number of collisions within the molecules.

Therefore, chemical reaction will take less amount of time in order to reach its end point. This means that there will occur an increase in rate of reaction.

Thus, we can conclude that the statement at higher temperatures, high-energy collisions happen more frequently, best explains why an increase in temperature increases the rate of a chemical reaction.

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