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viktelen [127]
2 years ago
15

Ethanol has a density of 0.791 g/mL. A student pipets enough volume in mL to obtain 120.0 g.

Chemistry
1 answer:
Elza [17]2 years ago
5 0

Answer:

I can't answer that Po sorry

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What characteristic frequencies in the infrared spectrum of your sodium borohydride reduction product will you look for to deter
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Answer:

A)The characteristic frequency to look out for is  1720-1740 cm-1 (for C=O) for which will disappear in the end product but initially present in the reactant.

B)Characteristic frequency  present in the infrared spectrum will be at a peak of  3300-3400 cm-1 which will be due to O-H stretch.

C)If the product is wet with water there will be no change in the infrared spectrum

Explanation:

The characteristic frequency to look out for is  1720-1740 cm-1 (for C=O) for which will disappear in the end product but initially present in the reactant.

Characteristic frequency  present in the infrared spectrum will be at a peak of 3300-3400 cm-1 which will be due to O-H stretch.

If the product is wet with water there will be no change in the infrared spectrum

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7 0
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again here

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Collection and analysis of data indicate that constructive forces include crustal deformation, faulting, volcanic eruption and deposition of sediment, while destructive forces include weathering and erosion. I can explain how constructive and destructive forces affect the nature of landforms on Earth.

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A 22.4-L sample of which of the following substances, at STP, would contain 6.02 x 1023 representative particles?
devlian [24]
<span>A 22.4-L sample of which of the following substances, at STP, would contain 6.02 x 1023 representative particles should be nitrogen. The answer is C. Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

</span>
5 0
3 years ago
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