3 years ago

What elements atom would you have if you built an atom with the following particles: 3

Chemistry

1 answer:

Paha777 [63]3 years ago

5 0

You can get the element Lithium. I hope this helps!

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1.45 days to seconds

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Answer:

125280 seconds

Explanation:

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9. A family is driving to a nearby city. If they travel an average 68 miles per hour for 3.2 hours how

Nataliya [291]

All you have to do is multiply 68 miles and 3.2 hours. It will give you the answer, 217.6 mph.

68x3.2=217.6 miles per hour.

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Explanation: what i just said

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At 8:00, the temperature was 6 degrees Celsius (°C). Three hours later, the temperature was -13°C.

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4 years ago

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Calculate the number of moles in the following: 2.8 X 10^24 atoms of Cl2

vova2212 [387]

Answer:

<h3>The answer is 4.65 moles</h3>

Explanation:

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

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

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question

N = 2.8 × 10²⁴ atoms of Cl2

So we have

$n = \frac{2.8 \times {10}^{24} }{6.02 \times {10}^{23} } \\ = 4.65116279069...$

We have the final answer as

<h3>4.65 moles</h3>

Hope this helps you

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3 years ago