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3 years ago

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1-Propynyllithium reacts with (R,R)-2,3-dimethyloxacyclopropane in a stereoselective reaction. Draw a curved arrow mechanism and

the missing intermediate and product, clearly showing stereochemistry with a wedge and hashed bond at each stereocenter.

1 answer:

QveST [7]3 years ago

6 0

Answer:

Reference image attached

Explanation:

Please see the attached image.

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Which option draws the correct conclusion from the following case study?

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Answer:

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The white-tailed deer. (D)

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The recommended daily allowance (rda of calcium is 1.2 g. calcium carbonate contains 12.0% calcium by mass. how many grams of ca

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1) Calcium carbonate contains 40.0% calcium by weight.
M(CaCO₃)=100.1 g/mol
M(Ca)=40.1 g/mol
w(Ca)=40.1/100.1=0.400 (40.0%)!

2) Mass fraction of this is excessive data.

3) The solution is:

m(Ca)=1.2 g

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m(CaCO₃)=100.1g/mol*1.2g/40.1g/mol=3.0 g

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A sealed reaction vessel initially contains 1.113×10-2 moles of water vapor and 1.490×10-2 moles of CO(g).

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Answer:

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Kc = 50.2059

Explanation:

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2. Use the Kc formula

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15ft is the same as how many yards?

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Answer:

5 yards

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1 yard is 3 feet

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