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ra1l [238]
3 years ago
11

if a substance is melted from a solid into a liquid, what property of the substance would also be effected? select all that appl

y. chemical bonds of the substance density of the substance energy of the substance intermolecular bonds between particles melting point of the substance
Chemistry
2 answers:
katen-ka-za [31]3 years ago
6 0

Answer is: density of the substance, energy of the substance, intermolecular bonds between particles.

Melting is a physical change (process), the same substance is present before and after the change, so chemical bonds and melting point of the substance are not changed.

Density of liquids are usually less than in solids, because atoms are further apart.

Liquids have higher energy and atoms or molecules move faster.

Intermolecular bonds are weaker in liquids.

Ksivusya [100]3 years ago
4 0
Intermolecular bonds between particles melting point of the substance
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What is the silver ion concentration in a solution prepared by mixing 369 mL 0.373 M silver nitrate with 411 mL 0.401 M sodium c
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Answer:

[A g + ]  =  3.12 *10^-6 M

Explanation:

Step 1: Data given

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Volume sodium chromate = 411 mL

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Step 2: The balanced equation

2 A g + ( a q )  +  C rO4^2-  ( a q )  →Ag2CrO4 (  s)

Step 3:

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[C rO4^2]i = [Ag2CrO4] * V2 /(V1+V2) * 1mol C rO4^2 / 1 mol Ag2CrO4

[C rO4^2i = 0.401 M * 0.411 / (0.369+0.411)

[C rO4^2]i = 0.211 M

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1.2 * 10^− 12  = ( 2 x ) ²* 0.123M

x = 1.56 * 10^-6

[A g + ] f  = 2x = 3.12 *10^-6 M

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