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laila [671]
3 years ago
10

What is the atom number of an element that has six protons and eight neutrons?

Chemistry
1 answer:
zalisa [80]3 years ago
5 0
The answer is Carbon

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Choose the best option for the precursor to the tosylate intermediate Design a synthesis of cis-2-methylcyclopentyl acetate from
kumpel [21]

Answer:

To synthesize cis-2-methylcyclopentyl from methycyclopentanol, you need to replace the acetate hydroxyl group with acetate by inverting the configuration.  

Explanation:

To understand the process, you need to understand the nucleophilic mechanism taking place in the process. This is the first stage of the process. Hydroxide is a poor leaving group, to it must be converted to a good leaving group. To effect the change, it is necessary to use p-toluenesuphate.

p-toluenesuphate is favored because this can be prepared by a reaction that alters none of the bonds attached to the stereogenic center.

The reaction of p-toluensulfonate with potassium acetate in acetic acid effects the conversion to give the final product: cis-2-methylcyclopentyl.  

8 0
3 years ago
How do you find the molar mass of a compound?
kobusy [5.1K]

Answer:The molar mass of a compound cab be find by adding up all the molar mass of the element present in the compound... Check the image for more clarification

Explanation:

8 0
3 years ago
Enter the electron configuration for the ion most likely formed by phosphorus. Express your answer in the order of orbital filli
Bingel [31]

Answer:

[Ne] 2s2 2p3

Explanation:

Phosphorus will most likely have an ion that will be 3- because it wants to have a full outer shell. Thus, the elctron configuration is: 1s2 2s2 2p6 3s2 3p3.

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3 years ago
Help with 5b. Full explanation please
larisa86 [58]
Not elementary school work
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What is the measure of the efficiency of a chemical reaction? percent yield annual yield actual yield theoretical yield
artcher [175]

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Precent yield

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This is takes into account how much of a substance should have been created (theoretical yield) and compares it to what was actually created (the actual yield).

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