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ruslelena [56]
2 years ago
11

I need help with number 1 :/ please help me, thank you

Chemistry
1 answer:
Elena L [17]2 years ago
7 0

Answer:

Amplitude is measured from the center line to the highest point in the waves.

Wavelength is the distance between one wave to the other from the highest point.

Frequency is the rate of the waves.

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Which of the following statements best describes the current atomic theory
blagie [28]
You did not provide possible answers, but one possible might be that the current atomic theory is so sound and plausible that there should not be anything that could change it in the near future.
3 0
3 years ago
How many moles are in 3.00x 10^22 atoms of He?
sp2606 [1]

Answer:

<h2>0.05 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} \\

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 we have

n =  \frac{3.0 \times  {10}^{22} }{6.02 \times  {10}^{23} }  \\  = 0.049833...

We have the final answer as

<h3>0.05 moles</h3>

Hope this helps you

3 0
2 years ago
What is the total gas pressure in a sealed flask that contains oxygen at a partial pressure of 0.35 atm and water vapor at a par
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3 years ago
Hydroxide is an example of _______ and it's formula is OH-.
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Answer:

polyatomic ion

Explanation:

It is polyatomic ion have a great day marry christmass

6 0
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This is agree or disagree I need help ASAP!!
julsineya [31]

Answer:

disagree

sometimes they attract

Explanation:

8 0
2 years ago
Read 2 more answers
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