3 years ago

Help? for me? yes? please?

Chemistry

1 answer:

Sladkaya [172]3 years ago

6 0

Answer:

2 Mg + O2 -> 2 MgO

is a synthesis reaction.

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Help please and thank you

Ipatiy [6.2K]

Answer:

Opcion D

Explanation:

Una desintegración beta es de a forma:

$\beta$

-1

You can find this in opcion D

I hope I will help you : )

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3 years ago

water absorbs and releases large amounts of heat before its temperature changes because water has a high

barxatty [35]

Waters high heat capacity is a property focused by hydrogen bonding among water molecules.When heat is absorbed,hydrogen bonds are broken and water molecules can move freely.When the temperature of water decreases, the hydrogen bonds are formed and release a considerable amount of energy

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3 years ago

Our main source of energy is the sun. True or False

garri49 [273]

Our main source of energy is the sun. True.

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2 years ago

Electrons are the most important electrons to an atom. a) outer b) inner

Gnom [1K]

The answer is A.Outer. Hope this helps

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2 years ago

Sodium nitrate and lead (ii) acetate express your answer as a chemical equation. identify all of the phases in your answer. ente

ICE Princess25 [194]

Answer: $2NaNO_3(aq)+(CH_3COO)_2Pb(aq)\rightarrow 2CH_3COONa(aq)+Pb(NO_3)_2(aq)$

Explanation: A double displacement reaction is one in which exchange of ions take place.

The compounds which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.

Thus the exchange of ions take place and all the compounds are soluble so the chemical formulas are followed by the symbol (aq).

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3 years ago

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