3 years ago

10 Points

Chemistry

1 answer:

Dahasolnce [82]3 years ago

8 0

Answer:

I think it is A

Explanation:

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Juliette [100K]

Answer:

This is hard for me also but I am trying to find out answer

Explanation:

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6 0

3 years ago

Compound A has molecular formula C5H11Br. When compound A is treated with bromine in the presence of UV light, the major product

damaskus [11]

The compound (A) is 2-bromo-pentane. See attached picture for the chemical diagram.

Explanation:

2-bromo-pentane (A) reacts with bromine (Br₂) under UV light to form 2,2-dibromopentane and HBr. Also 2-bromo-pentane (A) reacts with NaSH to from pentane-2-thiol, which have an asimetric carbon, and NaBr.

You may find the chemical reactions and diagrams of the compounds in the attached picture.

Learn more about:

structure of organic compounds

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6 0

3 years ago

1.6x10^23 lead atoms. Find the weight in grams

Ber [7]

Moles of lead(Pb) = 1.6x10^23/6.02x10^23 = 0.265 moles.

Weight of lead = moles x atomic weight of lead
= 0.265x207.2
= 54.908 grams.

Hope this helps!

5 0

3 years ago

The period of daylight experienced each day on every part of Earth would be shorter if which one of the following changes occurr

lilavasa [31]

Answer:

Explanation:

5 0

3 years ago

A calorimeter contains 251 g of water at 24.3 C.The temperature of the water decreases to 18.5 C when 12.5 g of potassium nitrat

vova2212 [387]

Answer:

Endothermic

Explanation:

The temperature of the water decreased.

The water lost heat.

The heat must have gone into getting the KNO₃ into solution.

So, the dissolving of KNO₃ in water is endothermic.

8 0

3 years ago