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dem82 [27]
3 years ago
8

Which of the following compounds has a lower boiling point? Li2O H₂O KCI MgCl2

Chemistry
1 answer:
Kamila [148]3 years ago
6 0
Pretty sure it’s H2O
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How many grams of N2 are required to react with 2.30 moles of Mg in the following process? 3 Mg + N2 → Mg3N2? (Mg = 24.3 g/mol,
aivan3 [116]

Answer: 10.73 g

Explanation:

2.3 mol Mg * (1 mol N2 / 3 mol Mg) * (14 g Mg / 1 mol g) = 10.73

5 0
3 years ago
In the reaction of chlorine with calcium, explain which atom is oxidized.
romanna [79]

Answer:

The atom is oxidized is Ca.

Explanation:

  • The oxidation-reduction reaction contains a reductant and an oxidant (oxidizing agent).
  • The oxidation process is the process in which electrons are lost and produce positively charged ions.
  • The reduction process is the process in which electrons is gained and negatively charge ions are produced.

  • In the reaction of chlorine with calcium:

<em>Ca + Cl₂ → CaCl₂,</em>

Ca loses 2 electrons and is oxidized to Ca²⁺. (Ca <em>→</em> Ca²⁺ + 2e).

Cl is gains 2 electrons in "Cl₂, oxidation state zero" and is reduced to Cl⁻. (Cl₂ + 2e <em>→</em> 2Cl⁻).

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3 years ago
How much pure water must mixed with 8 pints of 50 developer to produce a mixture that is 24%?
Galina-37 [17]
8:24 = 0.333(3) pints is one percent
0.333(3)* 100=33.333(3) pints will be 24% mixture with the water
33.3333-8=25.333 pints of water is required for producing 24% mixture

25.3333 pints of pure water and 8 pints of juce.

6 0
3 years ago
How many grams of potassium nitrate (KNO3) would form if 2.25 liters of a 1.50 molar lead nitrate Pb(NO3)2 solution reacts with
fgiga [73]
I know that the answer is 639 g
4 0
3 years ago
How do scientists think that gravity affected the formation of our solar system?
Makovka662 [10]
Maybe because gravity has control of each formation of the solarsydtem thats why its just a guess
5 0
3 years ago
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