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Makovka662 [10]
4 years ago
14

What type of reaction is Mg + H2Cl2 — MgCl2 + H2?

Chemistry
1 answer:
lara [203]4 years ago
6 0
Single replacement since the Mg combines with Cl2 and H is left alone
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There is approximately 1.62g of KF depending on the rounding used

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3 years ago
Which compound(s) contain the most hydrogen atoms per molecule or formula unit? hydrogen selenide ammonium bromide strontium dih
igomit [66]

The answer is strontium dihydrogen phosphate

That is strontium dihydrogen phosphate, is the compound containing the most hydrogen atoms per molecule or formula unit.

The formulas of the following compounds are as follows:

Hydrogen selenide H₂Se

Ammonium bromide NH₃Br  

Strontium dihydrogen phosphate  Sr(H₂PO4)₂

Sodium bicarbonate  NaHCO₃

As it can be seen from the formula of strontium dihydrogen phosphate  Sr(H₂PO4)₂ , that it contains the most hydrogen atoms per molecule or formula unit.


3 0
3 years ago
Evapotranspiration is the process by which
Tom [10]

Answer:

A: plants give off water vapor as a waste product as they process energy

Explanation:

Evapotranspiration in plants is defined as the process whereby water is evaporated from its leaves through transpiration during the process of photosynthesis. Different factors like wind, humidity, temperature and availability of water could make it vary.

Comparing all the options, to this definition, the correct answer is Option A.

7 0
3 years ago
The setup below was used to investigate the reaction between metals and water
Neporo4naja [7]

Answer:

I hope it helps you

Explanation:

<em><u>make</u></em><em><u> </u></em><em><u>me </u></em><em><u>brainlest</u></em>

8 0
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Identify each substance as an acid or a base and write a chemical equation showing how it is an acid or a base according to the
faust18 [17]

Answer:

(a) Acid

(b) Base

(c) Acid

(d) Base

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According to the Arrhenius acid-base theory:

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H₂SO₄(aq) ⇒ 2 H⁺(aq) + SO₄²⁻(aq)

(b) Sr(OH)₂ is a base according to the following equation:

Sr(OH)₂(aq) ⇄ Sr²⁺(aq) + 2 OH⁻(aq)

(c) HBr is an acid according to the following equation:

HBr(aq) ⇒ H⁺(aq) + Br⁻(aq)

(d) NaOH is a base according to the following equation:

NaOH(aq) ⇒ Na⁺(aq) + OH⁻(aq)

6 0
3 years ago
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