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Tanzania [10]
3 years ago
13

If a flame is yellow is it considered dirty or clean?And to make it blue do you add or take away air?

Chemistry
1 answer:
Step2247 [10]3 years ago
8 0
It is clean and is blue when you take away air hope i helped.
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How many moles are there in 8.94*10^24 atoms P?
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Answer:

<h2>14.85 moles </h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

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L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{8.94 \times  {10}^{24} }{6.02 \times  {10}^{23} }  \\   = 14.850498

We have the final answer as

<h3>14.85 moles</h3>

Hope this helps you

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