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EastWind [94]
3 years ago
7

In the evolution of extremely large stars, they begin as supergiants or supernovas, if the star nucleus is large enough it will

continue to contract and form neutron stars, and finally, if the contractions continue, everything around the neutron star and the neutron star itself will be pulled into what is called a
Chemistry
2 answers:
fenix001 [56]3 years ago
6 0
Black hole, or a singularity contained within an event horizon through which no light can escape.
LiRa [457]3 years ago
5 0

Answer: The answer would be black hole

Explanation: if you’re using Edgenty they explain it in the lesson

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a 360mg sample of sugar (molar mass of 180 g/mol) is dissolved in enough water to produce 200mL of solution. after the sugar is
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360 mg / 1000    => 0.36 g

molar mass => 180 /mol

number of moles:

mass of solute / molar mass

0.36 / 180 => 0.002 moles

Volume solution = 200 mL / 1000 => 0.2 L

M = n / V

M = 0.002 / 0.2

M = 0.01 mol/L

hope this helps!
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Can the nature of a reactant be altered to speed up reaction
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On the pH scale pure water has a pH of<br> A. 0<br> B. 7<br> C. 14
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H2CO3(aq) → CO2(aq) + H2O(l) After strenuous exercise, you breathe heavily, exhaling and removing CO2 from your body. The remova
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2 years ago
The reducing agent in the reaction described in Fe + 2HCl → FeCl2 + H2 is A. H2. B. Fe. C. HCl. D. FeCl2.
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