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JulsSmile [24]
3 years ago
10

24 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!

Chemistry
2 answers:
erastovalidia [21]3 years ago
6 0
I'd say b, but i'm not 100 percent sure.<span />
Oksana_A [137]3 years ago
6 0
I would say D, because it did not say you are just starting the flight. If it did, then it would be B, because you need to speed up and you are going upwards. It said you are going in the same amount of speed, and of course, if you are going in the same speed, you can't make time pass faster or slower. So, if it was me, I would choose D as an answer.

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In each reaction box, place the best reagent from the list below. draw the intermediate compound.
Fynjy0 [20]

Answer:

Reagent A: PBr₃

Reagent B: Mg in Et₂O.

Explanation:

Hello,

In this case, your facing a problem in which a carboxylic acid is produced starting by an alcohol. More specifically, cyclopentanol must react with phosphorous tribromide in order to yield bromocyclopentane which is more likely to produce a carboxylic acid, therefore, reagent A is PBr₃.

On the other hand, by means of the production of the specified product, bromocyclopentane must react with carbon dioxide and magnesium in diethyl ether in acidic media to promote the production of the cyclopentanoic acid via the grignard reaction (substitution of the bromine by the carboxyle group), therefore, reagent B is Mg in Et₂O.

Best regards.

8 0
2 years ago
Read this sentence from Chapter One of Jack London’s The Call of the Wild.
xenn [34]

Answer:

b)

Explanation:

It shows the natrual proggresion of a story and helps blend the narrtive together.

4 0
2 years ago
Read 2 more answers
How much energy is required to melt 10. 0 g of ice at 0. 0°C, warm it to 100. 0°c and completely vaporize the sample?
natta225 [31]

The 7160 cal energy is required to melt 10. 0 g of ice at 0. 0°C, warm it to 100. 0°C and completely vaporize the sample.

Calculation,

Given data,

Mass of the ice = 10 g

Temperature of ice =  0. 0°C

  • The ice at 0. 0°C is to be converted into water at 0. 0°C

Heat required at this stage = mas of the ice ×latent heat of fusion of ice

Heat required at this stage = 10 g×80 = 800 cal  

  • The temperature of the water is to be increased from 0. 0°C to 100. 0°C

Heat required for this = mass of the ice×rise in temperature×specific heat of water

Heat required for this  = 10 g×100× 1 = 1000 cal

  • This water at  100. 0°C  is to be converted into vapor.

Heat required for this = Mass of water× latent heat

Heat required for this  = 10g ×536 =5360 cal

Total energy or heat required = sum of all heat = 800 +1000+ 5360  = 7160 cal

to learn more about energy

brainly.com/question/7185299

#SPJ4

6 0
1 year ago
Hello<br>Thank you for not answering my question
julsineya [31]
**Visible confusion** no problem
4 0
3 years ago
Q1:What is one result of meiosis?
anzhelika [568]

Answer:

1.  the end result of meiosis is haploid daughter cells with chromosomal combinations different from those originally present in the parent.

2.  Prophase, metaphase, and telophase

5 0
3 years ago
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