3 years ago

An organic molecule is likely to contain all of these elements except: Answer C H O Ne N

Chemistry

1 answer:

eimsori [14]3 years ago

8 0

Organic molecules typically do not contain the noble gases, so they would contain all but Ne

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Lens and focal point is the correct answer.

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How many molecules of F2 in 90g F2

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2 years ago

You can practice converting between the mass of a solution and mass of solute when the mass percent concentration of a solution

vfiekz [6]

Answer:

450. g of 0.173 % KCN solution contains 779 mg of KCN.

Explanation:

Mass of the solution = m

Mass of the KCN in solution = 779 mg

Mass by mass percentage of KCN solution = 0.173%

$(m/m)\%=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 100$

$0.173\%=\frac{779 mg}{m}\times 100$

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3 years ago

Which of the following is not a possible termination step in the free radical chlorination of methane? Group of answer choices ∙

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Answer: first option is not a termination

∙CH3 + Cl2 → CH3Cl + Cl∙

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Since a radical is formed as part of the product it means it's a propagation step and not a termination step, at termination no free radical exist as product

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