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Anastaziya [24]

4 years ago

6

Could a mixture be made up of only elements and no compounds?

1 answer:

GarryVolchara [31]4 years ago

8 0

If you take the tiny bit of carbon dioxide and the tiny tiny bit of water vapor out of the air, then you're breathing a mixture like that right now.
What you would have left is a mixture of oxygen, nitrogen, neon, argon, Krypton, and a few other elements. The carbon dioxide and water vapor in air are the only components that are not pure elements.

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FrozenT [24]

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If 0.035pC of charge is transferred via the movement of Al3+ ions, how's many of these must be transferred in total? Please add

mr Goodwill [35]

Each $Al^+^3$ ion contains three extra protons. Hence, the extra charge on each $Al^+^3$ = $3 \times 1.6 \times 10^-^1^9$ C

Total charge = 0.035 pC

Total charge (Q) = $0.035 \times 10^-^1^2$ C

Let the number of $Al^+^3$ ions be n.

According to question:

$n \times 3 \times 1.6 \times 10^-^1^9 =0.035 \times 10^-^1^2$

$n = \frac{0.035 \times 10^-^1^2}{3 \times 1.6 \times 10^-^1^9}$

$n = 7.29167 \times 10^4$

n = 72917

Hence, the total number of ions needed to be transferred is 72917

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3 years ago