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barxatty [35]
3 years ago
14

The percent yield for a chemical reaction can not be calculated until the reaction is completed

Chemistry
1 answer:
maw [93]3 years ago
5 0

Answer:

False

Explanation:

using the measurements of the amounts of chemicals, it can be calculated to some degree of accuracy depending mainly on the accuracy of the measurements and enviroments of the reaction

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The answer is A. It is an alkyn. There is a triple bond
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UDP-glucose pyrophosphorylase works by this mechanism: Group of answer choices It adds a phosphate group to glucose from UTP, le
klemol [59]

Answer:

The correct answer is it adds a UMP molecule to glucose-1-phosphate by splitting out pyrophosphate.

Explanation:

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What molecules can be broken down to one Another ?
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Answer:

compounds can be broken down to one another

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2 years ago
Goldsmith believed that an excess of anything can lead to unhappiness.<br> True or false
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3 0
3 years ago
A streak test is used to identify minerals by looking at the color of the streak made by rubbing the mineral against rough, unco
Tomtit [17]

C.  quartz and amethyst

Explanation:

Quartz and amethyst can be told apart by their color without performing a streak test on them.

This is because from the given choices, their color is different.

   quartz is a colorless

   amethyst is purple

  • Quartz is silicate mineral purely made of silicon and oxygen.
  • Amethyst is a variety of quartz but containing some mineral inclusions that makes its color different.
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learn more:

Silicate minerals brainly.com/question/4772323

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