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Mrac [35]
3 years ago
10

Which of the following will result in a chemical change?

Chemistry
2 answers:
krok68 [10]3 years ago
8 0
It would be /A/....because a chemical change is somthing that cant NOT be brought back to its areganal proproties.coal will never be able to be bavk the way it was!!
Finger [1]3 years ago
5 0
A. Burning coal in a furnace. This is because when you burn coal, you cant get back to the reactants substance. Burning is a chemical change.
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If the [H+] = 0.01 M, what is the pH of the solution, and is the solution a strong acid, weak acid, strong base, or weak base?
lana66690 [7]

Answer:

2, strong acid

Explanation:

Data obtained from the question. This includes:

[H+] = 0.01 M

pH =?

pH of a solution can be obtained by using the following formula:

pH = –Log [H+]

pH = –Log 0.01

pH = 2

The pH of a solution ranging between 0 and 6 is declared to be an acid solution. The smaller the pH value, the stronger the acid.

Since the pH of the above solution is 2, it means the solution is a strong acid.

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2 years ago
In which grouping of the periodic table do the elements have simliar properties
STatiana [176]
I would have to say [c]

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3 0
3 years ago
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A solution has a [OH-] of 1 × 10-9. What is the pOH of this solution?
zhannawk [14.2K]
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pOH = - log [ 1 x 10⁻⁹ ] 

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hope this helps!
3 0
3 years ago
An explanation of what will happen every time in a specific situation
kramer
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4 0
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