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3 years ago

When you inflate a raft with air, the air expands to fill the raft and takes the shape of the raft. Why does this occur?

Chemistry

2 answers:

Dahasolnce [82]3 years ago

8 0

C. Gas particles move quickly and are far apart from one another.

Lady_Fox [76]3 years ago

5 0

The answer would be C!

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Is baking soda a fine powder or is it coarse

sp2606 [1]

Baking soda is a fine powder because when you touch it the baking soda is very soft

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3 years ago

1. Write the equilibrium constant expression for the following:

melisa1 [442]

Answer:

Explanation:

it could honestly be wrong but I'm not sure

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2 years ago

Thermal expansion occurs when particles of matter move farther apart as temperature increase. True or false ?

IceJOKER [234]

Answer:

true

Explanation:

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2 years ago

Problem Page Question It takes to break a carbon-carbon single bond. Calculate the maximum wavelength of light for which a carbo

Marizza181 [45]

This is a incomplete question. The complete question is:

It takes 348 kJ/mol to break a carbon-carbon single bond. Calculate the maximum wavelength of light for which a carbon-carbon single bond could be broken by absorbing a single photon. Round your answer to correct number of significant digits

Answer: 344 nm

Explanation:

$E=\frac{Nhc}{\lambda}$

E= energy = 348kJ= 348000 J (1kJ=1000J)

N = avogadro's number = $6.023\times 10^{23}$

h = Planck's constant = $6.626\times 10^{-34}Js
$

c = speed of light = $3\times 10^8ms^{-1}$

$348000=\frac{6.023\times 10^{23}\times 6.626\times 10^{-34}\times 3\times 10^8}{\lambda}$

$\lambda=\frac{6.023\times 10^{23}\times 6.626\times 10^{-34}\times 3\times 10^8}{348000}$

$\lambda=3.44\times 10^{-7}m=344nm$ $1nm=10^{-9}m$

Thus the maximum wavelength of light for which a carbon-carbon single bond could be broken by absorbing a single photon is 344 nm

5 0

2 years ago

3. What allows us to see the moon from Earth?

andriy [413]

Answer:

the answer would be the B

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2 years ago