3 years ago

How does mercury move through the ecosystem through excavation?

1 answer:

6 0

Answer:

Mercury is released into the environment from many sources. Mercury becomes airborne when rocks erode, volcanoes erupt and soil decomposes. It then circulates in the atmosphere and is redistributed throughout the environment.

I think this is right.

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A student performs a reaction that makes aluminum oxide. According to her calculations, she should expect to make 115.2 grams. S

tiny-mole [99]

Answer:

The percentage of the student is 58.17%.

Explanation:

Expected yield of aluminum oxide = 115.2 g

Actual yield of aluminum oxide produced =66.9 g

The percentage yield is calculated by dividing actual yield by expected yield and then multiplying it with hundred.

Percentage yield:

$\frac{\text{Actual yield}}{\text{Expected yield}}\times 100$

$\% Yield=\frac{66.9 g}{115.2 g}\times 100=58.17\%$

The percentage of the student is 58.17%.

7 0

3 years ago

Which of the following are reactants in the equation below? Select all that apply.

Paha777 [63]

Answer:

Zinc, copper sulfate

Explanation:

The reactants are the ones on the left side

8 0

3 years ago

Based on the research of Albert Einstein, what change would most likely result in stopping the emission of electrons from this m

saul85 [17]

The use of light that has a lower frequency

7 0

3 years ago

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Which pH corresponds with the acidic quality of the rainwater?<br> a.6<br> b.7<br> c.8<br> d.9

jeka94

The lower you go, the more acidic. The higher you go, the more alkaline. Your answer would most likely be 6.

8 0

3 years ago

A voltaic cell is based on the reduction of ag (aq) to ag(s) and the oxidation of sn(s) to sn2 (aq).

Annette [7]

Half-reaction for the cell's anode is given below:

Anode : $\\Sn(s) \rightarrow Sn^{2+} (aq) +2e^{-}$

The anode is defined as the electrode at which electrons leave the cell and oxidation occurs, and the cathode as the electrode at which electrons enter the cell and reduction occurs. The anode is usually the positive side.

Learn more about anode here:

brainly.com/question/4052514

Your given question is quite incomplete here is complete question.

A voltaic cell is based on the reduction of _ Agt(aq) to Ag(s) and the oxidation of Sn(s) to Sn2+(aql) : Part 1 Include the phases of all species in the chemical equation: (aqh Anode: Sn(s) Sn?+ (aq)

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4 0

2 years ago