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vova2212 [387]
2 years ago
11

In general, what is used to separate mixtures?

Chemistry
1 answer:
Bas_tet [7]2 years ago
4 0
I would say (Separating funnel)
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Adding a neutron to an atom changes what property of the atom?
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C, The atomic mass. This could also cause certain elements (i.e. Uranium, Plutonium) to radioactively decay in process called nuclear fission.
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Read 2 more answers
BRAINLIEST ANSWER.... How many bonding and nonbonding electrons are on the nitrogen atom in NO2?
ioda

The answer would be C there would be 6 nonbonding electrons and 2 bonding electrons.

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What is molarity and how is it calculated? If possible, please explain it to me detailed. Thank you :)​
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A sample containing 2.30 mol of Ne gas has an initial volume of 8.00 L. What is the final volume, in liters, when the following
marta [7]

Answer:

a. 4,00L

b. 16,00L

c. 12,31L

Explanation:

Avogadro's law says:

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

a. If initial conditions are 2,30mol and 8,00L and you lose one-half of atoms, that means you have 1,15mol:

\frac{8,00L}{2,30mol} =\frac{V_2}{1,15mol}

<em>V₂ = 4,00L</em>

b. If initial conditions are 2,30mol and 8,00L and you add 2,30mol, that means you have 4,60mol:

\frac{8,00L}{2,30mol} =\frac{V_2}{4,60mol}

<em>V₂ = 16,00L</em>

c. 25,0g of Ne are:

25,0g × (1mol / 20,1797g) = 1,24 moles of Ne. That means you have 2,30mol - 1,24mol = 3,54mol of Ne

\frac{8,00L}{2,30mol} =\frac{V_2}{3,54mol}

<em>V₂ = 12,31L</em>

I hope it helps!

6 0
3 years ago
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