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irinina [24]
3 years ago
9

The temperature of 500 mL of water is 16°C. What happens to the water

Chemistry
1 answer:
lana66690 [7]3 years ago
6 0

Answer:

The answer would be B, The temperature of the water increases because the average  kinetic energy of the water molecules increases.

Explanation:

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A solid precipitate is formed from the reaction of lead nitrate and sodium chromate.
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Lead chromate is a precipitate that is formed on the reaction of lead nitrate with sodium chromate. The best method to separate this precipitate from the solution is filtration.

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  • The lead chromate is yellow colored precipitate that forms after the reaction of lead nitrate with sodium chromate.
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5 0
3 years ago
Which of the possible compounds has a mass of 163 grams when
Simora [160]

Answer:

CH4

Explanation:

In solving this problem, we must remember that one mole of a compound contains Avogadro's number of elementary entities. These elementary entities include atoms, molecules, ions etc. Recall that one mole of a substance is the amount of substance that contains the same number of elementary entities as 12g of carbon-12. The Avogadro's number is 6.02 × 10^23.

Hence we can now say;

If 163 g of the compound contains 6.13 ×10^24 molecules

x g will contain 6.02 × 10^23 molecules

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x= 981.26 × 10^23/ 6.13 ×10^24

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x= 16.01 g

x= 16 g(approximately)

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6 0
3 years ago
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