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zloy xaker [14]
3 years ago
7

A chemist performs the same tests on two white solids, A and B. The results are shown in the table below.

Chemistry
2 answers:
Ber [7]3 years ago
6 0
I’m pretty sure it’s A well I think sorry if its not but I hope it helps
Roman55 [17]3 years ago
4 0

Answer:

i'm not sure but mabey A?

Explanation:

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Indicate what happens to the concentration of Pb2+ in each half cell
Taya2010 [7]

Answer:

Your questions requires diagrams of the cell to get which one is on the left or right. However, see the attached file below

The correct answer is (d) the left half-cell will decrease in concentration; and the right half-cell will increase in concentration.

Explanation:

The concentration of the Pb2+ increases in the oxidation half cell while the concentration of the Pb2+ decreases in the reduction half cell during the reaction.

In the Left Beaker (Left half cell), their is less concentration

Pb(s) ---> Pb2+(aq) + 2 e- Concentration of Pb2+(aq) increase ; Electrons going out from this side

In the Right Beaker (right half cell), their is more concentration

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Electrons will flow from Left to Right direction.

3 0
3 years ago
Can somebody help me with these 2 things. I honestly just need the acids and bases for both
pochemuha

Answer:

The Bronsted-Lowery acid is H2O

The Bronsted-Lowery base is CO3

The conjugate acid is HCO3

The conjugate base is OH

Explanation:

Molocules that lose a hydrogen in a reaction act as an acid, and those that recieve one act as a base.

8 0
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