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Tutor profile: Julia M.

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Julia M.
Tutor for Middle School and High School Chemistry and Biology
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Questions

Subject: Chemistry

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Question:

How many moles are there in 10 grams of Carbon?

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Julia M.
Answer:

To find how many moles there are in Carbon we have to take the given amount of grams of Carbon and divide that by the atomic weight of Carbon. The atomic weight is found on the periodic table of elements. The molecular weight for Carbon is 12.0107 grams. 10.00 grams of Carbon/ 12.0107 grams of Carbon = .8326 moles of Carbon.

Subject: Basic Chemistry

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Question:

What is the difference between an ionic and covalent bond?

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Julia M.
Answer:

Ionic bonds occur between metal and non-metal elements, while covalent bonds are found between non-metal elements.

Subject: Biology

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Question:

What is the difference between a eukaryote and a prokaryote?

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Julia M.
Answer:

The nucleus of a eukaryote is a membrane bond, in a prokaryote, it is not. In prokaryotes, transcription and translation can occur simultaneously. Prokaryotes have a cell membrane, well eukaryotes do not.

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