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sesenic [268]
2 years ago
8

What does percent composition tell you about a molecule?

Chemistry
1 answer:
klio [65]2 years ago
6 0

Answer:

Explanation:

Percent composition tells you by mass what percent of each element is present in a compound. A chemical compound is the combination of two or more elements. ... The equation for percent composition is (mass of element/molecular mass) x 100.

Hope it helps:)

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Answer:

2Al (s) + 3CuCl2( aq) --> 2AlCl3 (aq) + 3Cu(s)

Explanation:

The main thing for this equation is to follow the amount on each side. Count each element on each side. Then by looking at the numbers figure out what numerical digit would make them equal.

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In order for them to be the same, we must add a coefficient of 3 to CuCl2 (aq0  on the left and a coefficient of 3 to Cu(s) on the right.

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3 years ago
Identify the correct type of heat transfer for A, B, and C in the picture. Using the picture, cite evidence for your choices.
tatiyna

The correct type of heat transfer for A, B, and C are conduction, convection and radiation respectively.

<h3>What is heat transfer?</h3>

Heat transfer is a process in which amount of heat will be transferred from one object to any other object by various means.

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Hence at A, B and C heat transfer done through conduction, convection and radiation respectively.

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brainly.com/question/2341645

#SPJ1

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Inside the room the air is often warmer near the ceiling than near the floor. Which of the following accounts for the difference
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