3 years ago

What factor is responsible for keeping the inner core in a solid state?

Chemistry

2 answers:

suter [353]3 years ago

6 0

Answer:B should be the right answer “High pressure”

Explanation:

balandron [24]3 years ago

4 0

I believe that the answer is high pressure.

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If water was used to rinse the burette used to dispense the hydrochloric acid solution, how would this affect

Rufina [12.5K]

Answer:

The concentration of hydrochloric acid would be estimated to be less.

Explanation:

This is because, the hydroxyl ions from water react with the hydrogen ions from the hydrochloric acid, hence decreasing the moles of hydrogen ions which lowers the acidic strength of Hydrochloric acid.

7 0

2 years ago

Can anyone answer these ? 40 points !!

lesantik [10]

1st one is D

2nd one is A

4 0

3 years ago

Calculate the mass in 4.05*10^22 molecules of calcium phosphate

Marizza181 [45]

Answer:

m = 20.9 g.

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to solve this problem by recalling both the Avogadro's number for the calculation of the moles in the given molecules of calcium phosphate and the molar mass of this compound in order to secondly calculate the mass as shown on the following setup:

$m=4.05x10^{22}molecules*\frac{1mol}{6.022x10^{23}}*\frac{310.18g}{1mol}\\\\m=20.9g$