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3 years ago

What would happen to the water’s boiling point if MgSO4 is added to it?

Chemistry

1 answer:

kirill [66]3 years ago

4 0

Answer:

When Epsom salt (magnesium sulfate) dissolves, it separates into its ions: a magnesium ion (Mg2+) and a sulfate ion (SO4 2-), which results in hard water. When hard water and soap are mixed, the magnesium ion reacts with soap molecules and forms a solid material called a precipitate, which does not dissolve.

Explanation:

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Balanced equation for Co+O2=Co2O3

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Answer:

4 Co(s) + 3 O2(g) = 2 Co2O3(s)

Explanation:

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2 years ago

Which is always going to be the highest ionization energy?

Law Incorporation [45]

Answer: I think it's B.

Explanation:

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1 year ago

Which of the following substances heats the fastest?

Aneli [31]

Answer:

Zinc

Explanation:

The specific heat capacity can be described as the amount of heat required to raise the temperature of a substance by one degrees Celsius. It is represented by C or S. The greater the carrying capacity of a substance, the more will be the heat required for that substance.

As we can see in the information given in the question, the specific heat capacity of zinc is the lowest as compared to steel, water and aluminium. Hence, zinc is the correct option.

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3 years ago

I think it’s b but I’m not sure

suter [353]

Yes that’s correct it is B

4 0

3 years ago

Read 2 more answers

H. Nitrogen gas and hydrogen gas combine to produce ammonia gas (NH3).

DedPeter [7]

Answer:

27.3 L

Explanation:

Reaction

N₂ (g) + 3H₂ (g) ⇒ 2NH₃ (g)
This is the basic reaction at STP

Solving

10 g N₂ x 1 mol NH₃/28 g N₂ x 3 mol H₂/1 mole N₂
⇒ 1.07 mol H₂

V = nRT/P [From Ideal Gas Equation]
V = 1.07 x 62.36 x 298 K / 735
V = 27.3 L

4 0

2 years ago