3 years ago

Energy can interact with objects and cause them to ________ or change

Chemistry

1 answer:

scoundrel [369]3 years ago

6 0

Answer:contact forces or transfer energy(not sure)

Explanation:

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The correct answer would be C2H60

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mezya [45]

Answer: Hydrogen molecules will have greatest average speed.

Explanation:

The formula for average speed is :

$\mu_{av}={\sqrt{\frac{8RT}{\pi\times M}}}$

R = gas constant

T = temperature

M = Molecular Mass

Now putting all the values:

$\frac{\nu_{H_2}}{\nu_{O_2}}=\sqrt{\frac{8RT}{\pi\times M_{H_2}}}/{\sqrt{\frac{8RT}{\pi\times M_{O_2}}}$

$\frac{\nu_{H_2}}{\nu_{O_2}}=\sqrt{\frac{16}{2}}$

$\frac{\nu_{av}_{H_2}}{\nu_{av}_{O_2}}=8$

Thus average speed of hydrogen is 8 times the average speed of oxygen. Thus hydrogen molecules will have greatest average speed

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alexgriva [62]

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P1V1 = P2V2

2 x 7.2 = 0.5 x V2

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well, the oil will come up on the surface of the water and lay there but introducing air does not do much. hope that helps

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Question 24 (1 point)

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Answer:

Explanation:

Idk

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