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notka56 [123]
2 years ago
11

Explain why the temperature goes up as the atoms move faster.

Chemistry
1 answer:
andrew-mc [135]2 years ago
3 0
Place the palm of your hands together and slowly rub them. You will not notice much of a temperature change. As you move your hands back-and-forth against each other at a more rapid pace you will notice the more friction you place on your hands the more the temperature increases. It’s also like Starting a fire with sticks using friction.
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atroni [7]

The reaction for burning of charcoal or complete combustion is as follows:

C(s)+O_{2}(g)\rightarrow CO_{2}(g)

From the above balanced reaction, 1 mole of carbon releases 1 mole of CO_{2} gas.

Converting mass of charcoal into moles as follows:

n=\frac{m}{M}

Molar mass of pure carbon is 12 g/mol thus,

n=\frac{1.5\times 10^{3} g}{12 g/mol}=125mol

The same moles of CO_{2} is released. Converting these moles into mass as follows:

m=n×M

Molar mass of CO_{2} is 44 g/mol thus,

m=125mol\times 44 g/mol=5.5\times 10^{3}g

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7 0
3 years ago
The table below shows the volume of two samples, A and B, when placed in three containers of different volumes.
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2 years ago
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2 years ago
A 40.0-mL sample of 0.100 M HNO2 (Ka = 4.6 x 10-4 .) is titrated with 0.200 M KOH. Calculate: a. the pH when no base is added b.
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