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andre [41]
3 years ago
9

What can be deduced from the fact that a substance has a pH of 7?

Chemistry
1 answer:
balandron [24]3 years ago
8 0

Answer:

A.

Explanation:

A) The number of H+ ions in the substance is equal to the number of OH-ions.

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C. The water particles move up through the wave.

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1093.5 rounded into 3 sig figs
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Significant figures means the number of important figures, 0 not included.

This means that the answer is 1094.00

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What is a covalent bond? Apex
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1. What process occurs along transform fault plate boundary?​
Lana71 [14]

Answer:

hope it helps...

Explanation:

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7 0
3 years ago
Consider the following reaction: CO(g)+2H2(g)⇌CH3OH(g) This reaction is carried out at a different temperature with initial conc
Anni [7]

Answer:

Ka = 4.76108

Explanation:

  • CO(g) + 2H2(g) ↔ CH3OH(g)

∴ Keq = [CH3OH(g)] / [H2(g)]²[CO(g)]

                      [ ]initial         change         [ ]eq

CO(g)              0.27 M       0.27 - x        0.27 - x

H2(g)              0.49 M       0.49 - x        0.49 - x

CH3OH(g)          0                0 + x               x = 0.11 M

replacing in Ka:

⇒ Ka = ( x ) / (0.49 - x)²(0.27 - x)

⇒ Ka = (0.11) / (0.49 - 0.11)² (0.27 - 0.11)

⇒ Ka = (0.11) / (0.38)²(0.16)

⇒ Ka = 4.76108

7 0
3 years ago
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