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pogonyaev
3 years ago
10

Explain why chemistry affects all aspects of life and most natural events

Chemistry
1 answer:
Alecsey [184]3 years ago
6 0

Chemistry affects all aspects of life and most natural events because all living and nonliving things are made of matter.

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Which of the following is an example of a physical change in matter?
sineoko [7]

Answer is B.

Explanation:

A physical change is one in which there is no change in chemical composition of a substance. while a process in which there is change in chemical composition it is called a chemical change.


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3 years ago
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You have a balloon filled with hellum that has a volume of 4.91 cubic decimeters
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Answer:

32

Explanation:

because the number of heliem is your aswer

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Which is NOT an isotope of carbon?
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It is possible to prepare ethanol by nucleophilic substitution. For an electrophile, you could choose EtCl, EtBr, or EtI; for a
tensa zangetsu [6.8K]

Answer:

The reactant/reagent that would be most atom economical is EtI (Ethy Iodide) and KOH (potassium oxide) as base

This is because the iodo group are weak base hence they have a good leaving character (i.e they are unstable on their own ) which would increase the rate of reaction and the strong base KOH give the most atom economical  

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4 0
3 years ago
A gas is at a pressure of 3.70 atm. What is this pressure in kilopascals?
Yanka [14]
Answer:
                =   374.90 kPa 

Calculation:
                  As we know atm and kiloPascal are related to each other as,

                                         1 atm  =  101.325 kPa
So,
                                    3.70 atm  =   X
Solving for X,
                                     X  = (3.70 atm × 101.325 kPa) ÷ 1 atm

                                     X  =  374.90 kPa 
7 0
3 years ago
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