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jok3333 [9.3K]
3 years ago
13

I’ll give brainliest. Help me please

Chemistry
1 answer:
Doss [256]3 years ago
7 0
I picture is unclear but
I can help if u send me it
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If I leave 750 mL of 0.75 M sodium chloride solution uncovered on a windowsill and 150 mL of the solvent evaporates, what will t
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the answer to your question is

M1V1=M2V2

V2=750-150=600 ml

0.75M*750 ml = M2*600

M2=0.75*750/600 ≈ 9.38 M


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Question 8 (10 points)
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All moons in our solar system are similar in appearance
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7 0
3 years ago
When NH4NO3­ spontaneously dissolves in water the temperature of the solution decreases. What factors make this a naturally occu
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Explanation:

Once solid ammonium nitrate interacts with water, the molecules of polar water intermingle with these ions and attract individual ions from the structure of the lattice, that actually will break down. E.g;-NH4NO3(s) — NH4+(aq)+ NO3-(aq) To split the ionic bonds that bind the lattice intact takes energy that is drained from the surroundings to cool the solution.

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Hence, we can say that the dissolution of ammonium nitrate in water is highly endothermic reaction.

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