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viva [34]
3 years ago
9

Match each pH value with the correct description. 7, 2, 8, 13, and 6 :)

Chemistry
1 answer:
bazaltina [42]3 years ago
8 0
1.strong acid: 2
2.weak acid:6
3.strong base:13
4.weak base:8
5.neutral:7
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What are scientific models used for? Give an example of each of the following types of models: Idea, Physical, Compute
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Answer:

Scientific models are used to explain and predict the behaviour of real objects or systems and are used in a variety of scientific disciplines, ranging from physics and chemistry to ecology and the Earth sciences.

Explanation:

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3 years ago
Write the balanced half equation of iron 2 and permanganate in a solution of acid. Show all of your work.
Aleks [24]

Answer:

5Fe⁺² + MnO₄⁻ + 8H⁺ => 5Fe⁺³ + Mn⁺² + 4H₂O

Explanation:

Fe⁺² + MnO₄⁻ +  H⁺ => Mn⁺² + Fe⁺³ +  H₂O

5(Fe⁺² => Fe⁺³ + 1e⁻)      =>                        5Fe⁺² => 5Fe⁺³ + 5e⁻

<u>MnO₄⁻ + 5e⁻ => Mn⁺²    =>   MnO₄⁻ + 8H⁺ + 5e⁻ => Mn⁺² + 4H₂O</u>

                                      =>  5Fe⁺² + MnO₄⁻ + 8H⁺ => 5Fe⁺³ + Mn⁺² + 4H₂O

6 0
3 years ago
See questions on the sheet
nignag [31]

Answer:

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Explanation:

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8 0
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A carbon atom and a hydrogen atom form what type of bond in a molecule?
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Explanation:

4 0
3 years ago
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