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Tutor profile: Mackenzie G.

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Mackenzie G.
Quality Control Chemist with tutoring experience for elementary, high school, and college students
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Questions

Subject: Chemistry

TutorMe
Question:

Balance the following chemical equation with the proper numerical coefficients: ___Au2S3 + ___H2 > ___Au + ___H2S

Inactive
Mackenzie G.
Answer:

1 Au2S3 + 3H2 > 2Au + 3H2S

Subject: Biology

TutorMe
Question:

In the cellular process of mitosis, what is the second main phase called? Describe the events that occur in the phase as well.

Inactive
Mackenzie G.
Answer:

The second phase in mitosis is called metaphase, and is the phase in which the chromosomes align in the middle of the cell to prepare for the division into two daughter cells.

Subject: Algebra

TutorMe
Question:

What is the value of x in the equation (x-5)/2 + 7 = 28. Show how you get your answer.

Inactive
Mackenzie G.
Answer:

The first step is to subtract 7 from each side to obtain (x-5)/2 = 21. Then, multiply each side by 2 to get rid of the fraction on the left side: x-5 = 42. The final step is to add 5 to each side to get the value of x: x = 47.

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