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Murljashka [212]
3 years ago
6

Give endothermic examples

Chemistry
1 answer:
RUDIKE [14]3 years ago
7 0

Answer:

Melting ice cubes.

Melting solid salts.

Evaporating liquid water.

Explanation:

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3 years ago
What volume of a 1.5 M KOH solution is needed to provide 3.0 moles of KOH?
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Answer:

  • Volume = <u>2.0 liter</u> of 1.5 M solution of KOH

Explanation:

<u>1) Data:</u>

a) Solution: KOH

b) M = 1.5 M

c) n = 3.0 mol

d) V = ?

<u>2) Formula:</u>

Molarity is a unit of concentration, defined as number of moles of solute per liter of solution:

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<u>3) Calculations:</u>

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  • Substitute values: V = 3.0 mol / 1.5 M = 2.0 liter

You must use 2 significant figures in your answer: <u>2.0 liter.</u>

8 0
3 years ago
What does non polar mean?
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Read 2 more answers
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