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patriot [66]
3 years ago
6

Which letter in the rock cycle diagram represents metamorphic rock?

Chemistry
2 answers:
svetlana [45]3 years ago
5 0

Answer:

<h2>B.</h2>

Explanation:

<h2>Hopes this helps. Mark as brainlest plz!</h2>
Shtirlitz [24]3 years ago
4 0

Answer:

b

Explanation:

learned this in science class

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Answer:

The answer to your question is:

Explanation:

Data

Atomic number = Z = 28

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Mass number = # of protons + # of neutrons

Then

Protons = 28

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What is the percent yield of ferrous sulfide if the actual yield is 220.0 g and the theoretical yield is 275.6 g?
BaLLatris [955]
<h2>Hello!</h2>

The answer is:

The third option, 79.8%

<h2>Why?</h2>

To calculate the percent yield we need to divide the actual yield by the theoretical yield, and then, multiply it by 100 in order to find the percent.

So, we from the statement we know the following information:

ActualYield=220.0g\\TheoreticalYield=275.6g

Let's use the following formula and substitute the given information:

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Have a nice day!

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