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kicyunya [14]
3 years ago
7

Do u ever fell like u ani't good enough for anybody

Chemistry
2 answers:
rjkz [21]3 years ago
3 0

Answer:

Hello

Explanation:

tbh YES and it sucks bc ppl treat u like trash, but don't let that get into ur head just be you, you'll find someone who treats u as if u were literally a goddess, keep ur head up and dont worry.

your welcome! ^^

Aloiza [94]3 years ago
3 0

✧・゚: *✧・゚:* hello there  *:・゚✧*:・゚✧

the answer is down below

༶•┈┈⛧┈♛ ♛┈⛧┈┈┈┈⛧┈♛ ♛┈⛧┈┈┈┈⛧┈♛

yeah :(

i ain't good for anybody

༶•┈┈⛧┈♛ ♛┈⛧┈┈┈┈⛧┈♛ ♛┈⛧┈┈┈┈⛧┈♛

¯\_(ツ)_/¯

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A gas occupies a volume of 584 mL at a pressure of 770 mm of Hg. When the pressure is changed, the volume becomes 603 mL If the
Blizzard [7]

Answer:

P_2=795mmHg

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to calculate the final pressure by using the Boyle's law as an inversely proportional relationship in pressure to volume at constant temperature:

\frac{P_2}{V_2} =\frac{P_1}{V_1}

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Regards!

4 0
3 years ago
Calculate the number of atoms in 2.5 moles of Si.
Ede4ka [16]

Answer:

\boxed {\boxed {\sf About \ 1.5 * 10^{24} \ atoms \ Si}}

Explanation:

When converting from moles to atoms, we must use Avogadro's number. This number tells us there are 6.022 * 10²³ atoms in 1 mole. We can multiply this number by the number of moles.

First, we must set up Avogadro's number as a ratio.

\frac {6.022 \ * 10^{23} \ atoms \ Si }{1 \ mol \ Si}}

Next, multiply the number of moles by the ratio.

2.5 \ mol \ Si *\frac {6.022 \ * 10^{23} \ atoms \ Si }{1 \ mol \ Si}}

When we multiply, the moles of silicon will cancel.

2.5 * \frac {6.022 \ * 10^{23} \ atoms \ Si }{1}}

Since the denominator of the fraction is 1, we can cancel it out too.

2.5 *  {6.022 \ * 10^{23} \ atoms \ Si }

1.5055 * 10^{24} \ atoms \ Si

The original measurement (2.5 moles) has 2 significant figures (2 and 5). Therefore we must round to 2 sig figs. For this question, 2 sig figs is the tenth place.

The 0 in the hundredth place tells us to leave the 5 in the tenth place.

1.5 * 10^{24} \ atoms \ Si

There are about <u>1.5 * 10²⁴ atoms of silicon.</u>

7 0
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