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nirvana33 [79]
3 years ago
10

HELP I think its C but I'm not sure

Chemistry
1 answer:
nasty-shy [4]3 years ago
4 0
The answer is A. Mars

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Please help! 10 points!!
klemol [59]
Hi,
The answer is HF since hydrogen bonds are can be formed only between Hydrogen and Fluorine, Oxygen or Nitrogen.
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Which substance is a polymer found in nature? <br> carpet <br> cotton <br> paint <br> nylon
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Answer:

Cotton

Explanation:

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1. Which feature would most LIKELY be forming at converging continental tectonic plate
Simora [160]
I believe the answer would be a.
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Hydrochloric acid is widely used as a laboratory reagent, in refining ore for the production of tin and tantalum, and as a catal
GaryK [48]

Answer:

Option 4

Explanation:

Hydrochloric acid is a strong one, that gives protons to medium. It can be dissociated as this:

HCl  →  H⁺  + Cl⁻

M means Molarity. It is a sort of concentration that indicates the moles of solute in 1L of solution.

M = moles / volume (L)

We can also say M = mmoles / mL of solution

M . mL = mmoles

0.453 M . 62.85mL = 28.5 mmoles

If we divide by 1000 → 28.5 mmol . 1 mol / 1000 mmol = 0.0285

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3 years ago
Explain why some metals are extracted by heating their oxides with carbon, but some metals cannot be extracted in this way
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This happens because a metal is less reactive than carbon and it can be extracted from its oxides by heating with carbon. The carbon displaces metal from the compound and removes the oxygen from the oxide.

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