4 years ago

What happens if you put a balloon I a freezer

Chemistry

2 answers:

Nataly_w [17]4 years ago

6 0

The air inside gets heavier and colder and at some point it would explode...

Dovator [93]4 years ago

4 0

It will shrink, and eventually deflate because of the lack of kinetic energy.

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Tính khối lượng mol phân tử của một chất khí, biết rằng 2g khí đó ở 25ºC, dưới áp suất 1 atm có thể tích bằng 1,527 lít. R = 0,0

Viefleur [7K]

Answer: English version please?

Explanation:?

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3 years ago

Part C<br> Number of molecules in 8.437x10-2 mol C6H6

N76 [4]

Answer:

There are $5.08\times 10^{22}\ \text{molecules of}\ C_6H_6$

Explanation:

In this problem, we need to find the number of molecules in $8.437\times 10^{-2}$ mol of $C_6H_6$ .

The molar mass of $C_6H_6$ is $6\times 12+1\times 6=78\ g/mol$

No of moles = mass/molar mass

We can find mass from above formula.

$m=n\times M\\\\m=8.437\times 10^{-2}\ mol\times 78\ g/mol\\\\m=6.58\ g$

Also,

No of moles = no of molecules/Avogadro number

$N=n\times N_A\\\\N=8.437\times 10^{-2}\times 6.023\times 10^{23}\\\\N=5.08\times 10^{22}\ \text{molecules}$

Hence, there are $5.08\times 10^{22}\ \text{molecules of}\ C_6H_6$

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3 years ago

_Ca + _H20 --> _Ca(OH)2 + _H2

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2Ca + 2H2O —-> Ca(OH)2 + H2

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4 years ago

An object accelerates 8.2 m/s2 when a force of 20.1 Newton's is applied to it. What is the mass of the object?

Shalnov [3]

Hey it's me again haha!

the answer to your question is:

answer: so f=20.1

a=8.2

m=?

f=ma

20.1 = 8.2*m in

20.1/8.2=m

so the answer is around 2.45 something!
also i'm sorry this question had be stumbled!

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3 years ago

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How many electrons are in an atom of elemental sodium?

Nitella [24]

There are 11 electrons in a atom of elemental sodium.

Hope this helps!

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4 years ago

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