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k0ka [10]
3 years ago
8

Each side of a square is increasing at a rate of 7 cm/s. At what rate is the area of the square increasing when the area of the

square is 16 cm2?
Chemistry
1 answer:
zepelin [54]3 years ago
3 0

Ans1) Each side of a square is increasing at a rate of 2 cm/s. At what rate is the area of the square increasing when the area of the square is 81 cm 2?. 2) A cylindrical tank with radius 5 m is being filled with water at a rate of 2 m 3 /min. wer:

Explanation:

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The diagram shows a balloon that was rubbed with a piece of cloth what is the change
Ede4ka [16]

Answer: the electric charge

Explanation:

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4 years ago
Which of the following shows the 3 main jobs of a cell?
skad [1K]
C is the answer hope this helps
8 0
3 years ago
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.

6 0
3 years ago
A proton is a subatomic particle carrying a charge equal to but opposite that of an electron
Pachacha [2.7K]

Answer:

True

Explanation:

A proton has a charge of +1, while an electron has a charge of -1. This is why a neutral atom has the same number of protons as electrons.

Neutrons have no charge, hence their name neutron which is similar to neutral.

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Answer:

Hi

Explanation:

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