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makvit [3.9K]
3 years ago
13

Please help quickly i will give 15 points

Chemistry
2 answers:
siniylev [52]3 years ago
8 0

Answer:

15 points?, i hav been ripped off xd.

Explanation:

IoI

Katena32 [7]3 years ago
6 0
Th kidneys control the amount of water,ions, and other substances in the blood by excreting more or less of them on urine.
Hopes this helps
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PLEASE PLEASE HELP 1. Using a neutral atom that has an atomic number of 28 and a mass number of 152, how many protons, electrons
vampirchik [111]

Answer:

The answer to your question is:

Explanation:

Data

Atomic number = Z = 28

Mass number = A = 152

Atomic number number = # of protons

Mass number = # of protons + # of neutrons

Then

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What are the three main gases that make up the atmosphere?
Nat2105 [25]

Nitrogen — 78 percent.

Oxygen — 21 percent.

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Natural gas or methane is a fossil fuel. In a plentiful supply of air, it burns to give carbon dioxide and water. Write a balanc
Alex17521 [72]

Answer:

CH_4 + 2O_2 --> CO_2 + 2H_2O

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The chemical formula for oxygen is O_2

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The chemical formula for water is H_2O

Methane burns in oxygen to give carbon dioxide and water:

CH_4 + O_2 --> CO_2 + H_2O

The balanced equation that will ensure an equal number of each atom on the left and right-hand sides of the equation would be:

CH_4 + 2O_2 --> CO_2 + 2H_2O

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