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SashulF [63]
3 years ago
15

What main chemicals are in space?

Chemistry
2 answers:
PolarNik [594]3 years ago
5 0
Hi!

I believe there are 4 main chemicals in space uracil, cytosine, thymine, and pyrimidine :)
PIT_PIT [208]3 years ago
3 0
Helium, hydrogen, dark matter
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Answer:

2H₂O (l) ⇄ H₃O⁺ (aq)  +  OH⁻(aq)

Explanation:

The autoionization of water is defined as a chemical reaction where there is an equilibrium in which two water molecules react producing an hydronium ion and a hydroxide ion. This is also defined as the autoprotolysis of water, and is based on its amphoteric nature.

The substance that can donate protons as well as receive them is defined as amphoteric. In this way, the water behaves amphoteric as it donates a proton as an acid of Brownsted Lowry or if it receives a proton, being a base.

NH₃ + H₂O ⇄ NH₄ + OH⁻               Kb

In this case, water behaves as an acid, it donates the proton to ammonia (a base)

CH₃COOH + H₂O ⇄ CH₃COO⁻ + H₃O⁺              Ka

For this case, water behaves as a base, it recieves the proton from the acetic acid (acid)

4 0
3 years ago
What is the difference between nitrite and nitrate​
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Answer:

<u>Nitrite:</u>

  • Formula : NO₂⁻
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  • Angular shape

<u>Nitrate:</u>

  • Formula: NO₃⁻
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  • Trigonal planar structure.

\rule[225]{225}{2}

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<h3>~AH1807</h3>

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2 years ago
Carbohydrates are like identification badges. Cells that have different membrane carbohydrates do different ________________. Th
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Explanation:

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