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# Tutor profile: Danny L.

Danny L.
ACT/SAT/DAT Expert and Tutor for Ivy League Applicants

## Questions

### Subject:Organic Chemistry

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Question:

What are the angles of the bonds for Carbon tetrachloride?

Danny L.

Answer: 109.5 degrees; Explanation: CCl4 possesses four electron domains that indicate a tetrahedral molecular shape with angles of 109.5 degrees.

### Subject:DAT

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Question:

Please analyze the following double-stranded DNA molecule and quantify the number of hydrogen bond present. ACCG | | | | TGGC

Danny L.

The answer is 11 hydrogen bonds. Adenine and thymine pair together with 2 hydrogen bonds in contrast to cytosine and guanine bonds that consist of 3 hydrogen bonds.

### Subject:ACT

TutorMe
Question:

What is the value of x when 14x + 8 = 3x +30?

Danny L.

The answer: x=2; Explanation: The key goal to these algebraic questions is to seperate "x" on to one side. Then subtract 3x from both sides of the equation resulting in 11x+8 = 30. Then subtract 8 from both sides resulting in 11x = 22. Finally, divide 11 to both sides and the resulting answer is x = 2.

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