How does the motion of particles compare between different phrases of matter?

Chemistry

1 answer:

Alina [70]3 years ago

4 0

Answer: gas vibrate and move freely at high speeds.

Explanation: liquid vibrate, move about, and slide past each other. solid vibrate (jiggle) but generally do not move from place to place.

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Where did coal originate ?<br>

liubo4ka [24]

Answer:

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4 years ago

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the chemical compound C2F4 is used to make PTEE (Teflon). How manyC2F4 molecules are in 485 kilograms of this material?

monitta

Answer:

$molecules=2.92x10^{27}moleculesC_2F_4$

Explanation:

Hello,

In this case, we use the Avogadro's number to compute the molecules of C2F4 whose molar mass is 100 g/mol contained in a 485-kg sample as shown below:

$molecules=485kgC_2F_4*\frac{1000gC_2F_4}{1kgC_2F_4} *\frac{1molC_2F_4}{100gC_2F_4}*\frac{6.022x10^{23}molecules C_2F_4}{1molC_2F_4} \\\\molecules=2.92x10^{27}moleculesC_2F_4$