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3 years ago

What is the most believable part of the big bang theory?

Chemistry

1 answer:

Fantom [35]3 years ago

5 0

Answer:

the exploshion

Explanation:

<h2>ra[e urs HAHAHA</h2>

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O que é etnocentrismo

Shtirlitz [24]

Answer:

yes and bla bla

........

4 0

3 years ago

Why do lithium (Li) and sodium (Na) have similar properties?

ella [17]

B, they belong to group 1

A: Li is period 2 and Na is period 3

C: Na has one more electron shell

D: Not related to how it is spelled

8 0

3 years ago

If 3.31 moles of argon gas occupies a volume of 100 L what volume does 13.15 moles of argon occupy under the same temperature an

kumpel [21]

Answer:

397 L

Explanation:

Recall the ideal gas law:

$\displaystyle PV = nRT$

If temperature and pressure stays constant, we can rearrange all constant variables onto one side of the equation:

$\displaystyle \frac{P}{RT} = \frac{n}{V}$

The left-hand side is simply some constant. Hence, we can write that:

$\displaystyle \frac{n_1}{V_1} = \frac{n_2}{V_2}$

Substitute in known values:

$\displaystyle \frac{(3.31 \text{ mol})}{(100 \text{ L})} = \frac{(13.15\text{ mol })}{V_2}$

Solving for <em>V</em>₂ yields:

$\displaystyle V_2 = \frac{(100 \text{ L})(13.15)}{3.31} = 397 \text{ L}$

In conclusion, 13.15 moles of argon will occupy 397* L under the same temperature and pressure.

(Assuming 100 L has three significant figures.)

3 0

2 years ago

Can anybody do this?

lukranit [14]

Answer:

0.17907

Explanation:

3 0

3 years ago

How many protons are there in 20.02 mol of neon (Ne)?

Anettt [7]

In order to determine the number of protons in 20.02 mol of Ne, we use Avogadro's number to convert the number of moles to number of atoms, 1 mol = 6.022 x 10^23 atoms. From there, we must know the number of protons in a Neon atom, which is 10. Thus, the formula will be:
(20.02 mol Ne)x(6.022 x 10^23 atoms/mol)x(10 protons/1 atom Ne) = 1.2056 x 10^26 protons

7 0

3 years ago