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gulaghasi [49]
2 years ago
6

Someone answer this question by me

Chemistry
2 answers:
Helga [31]2 years ago
8 0
Could you put the question here ? the link isn’t able to be copied :/
masha68 [24]2 years ago
7 0

Answer:

Uiiikjhb+2

Explanation:

I’m gonna swinggggggf

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When elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that
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A substance with a ph of 9 has
Arisa [49]

Answer:

c) more OH⁻ ions than H₃O⁺ ions

Explanation:

A substance with a PH of 9 implies that it has more OH⁻ ions than H₃O⁺ ions.

Such substances are said to be an alkaline or a base.

A base is a substance the produces excess hydroxyl ion in aqueous solutions.

An acid will produce excess hydroxonium ions in a solution.

So, the pH scale is used to indicate whether a substance is an acid or base or non of them.

Acids have pH of less than 7

Bases have pH of > 7

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3 years ago
Which is the least likely to be reduced?
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Answer:

The correct answer would actually be B

Explanation:

A P E X

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A bacterium called Bacillus thuringiensis (B.t.) contains a protein that can kill cotton ballworms and certain other kinds of ca
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This is genetic engineering.

I hope this helps!

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3 0
3 years ago
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What is the ph of the solution prepared by dissolving 0.927 mol hcl in enough water to make a 150 l aqueous solution?
Brilliant_brown [7]

Answer:

The answer to your question is pH = 2.2

Explanation:

Data

pH = ?

moles of HCl = 0.927

volume = 150 l

Process

1.- Calculate the Molar concentration of HCl

Molarity = moles / volume (L)

Molarity = 0.927 / 150

              = 0.00618

2.- Calculate the pH

pH = -log [HCl]

Substitution

pH = -log [0.00618]

Result

pH = 2.2

8 0
3 years ago
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