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blagie [28]
3 years ago
14

Fractional crystallization recrystallizes mineral rocks in the reverse order they melted.

Chemistry
2 answers:
maksim [4K]3 years ago
7 0
False because it is not true at all
schepotkina [342]3 years ago
3 0

Answer: B

Explanation:

I think this is false. I really don't know the explination, but due to me just finishing this class. I'm going to go with B.

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Ganezh [65]
1. 26
2. 115
THIS IS TO REACH 20 CHARACTERS
7 0
3 years ago
Read 2 more answers
What volume will 2.00 moles of nitrogen occupy at 720 torr and 20C?
bija089 [108]

Answer:

50.62L

Explanation:

1torr= 0.00132atm

P=720torr = 0.95atm

V= 20°C= 20+273= 293K

PV=nRT

R=0.08206L-atm/mol-K

0.95×V= 2×0.08206×293

V= 2×0.08206×293/ 0.95

V= 50.62L

3 0
4 years ago
As you add electrons to an energy level, without adding more protons are there more or less repulsive
Dmitry_Shevchenko [17]

Answer:

There will be more repulsive force between the electrons.

Explanation:

Electrons contain negative charge.As a result the electron will repulse another adjacent negatively charged electron.

   According to the given question addition of electrons to en energy level without adding more protons will increase the overall negative charge in the the energy level in which the electrons are added.

  This ultimately leads to generate more repulsive force between the electrons.

6 0
4 years ago
The mixing of which pair of reactants will result in a precipitation reaction? the mixing of which pair of reactants will result
IceJOKER [234]
The mixing of Ni(NO3)2(aq) and Na2CO3(aq) will result in a precipitation reaction.

Ni(NO3)2(aq) + Na2CO3(aq) =====> NiCO3(s) + 2NaNO3(aq)

:-) ;-)
5 0
3 years ago
Read 2 more answers
Plastic particles in the sea can cause problems to aquatic life ranging from plankton, fish to big animals like turtles, dolphin
Vladimir [108]

Answer:

I think the answer it's can be A industry

3 0
4 years ago
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