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Rus_ich [418]
3 years ago
9

Please help!! I'll name you brainliest!!

Chemistry
1 answer:
SashulF [63]3 years ago
4 0

Answer:

a) 1

b) 4

c) 7

d) 3

e) 6

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What is a common reason for observing an increased chemical shift of a c-h proton
stira [4]

Deshielding due to an electronegative element close by is the common reason for observing increased chemical shift of a c-h proton

<h3>What is a chemical shift? </h3>

The resonance frequency of a proton in relation to a standard compound is represented by chemical shift. Chemical shift, which is measured in ppm and is represented by the sign (δ),  (parts per million).The chemical shift in a proton NMR spectrum provides details about the targeted proton's chemical surroundings. The structure of the investigated substance, especially electronegative components or effects, has a significant impact on the chemical shift value. Electronegative elements' ability to remove electron density from the proton, which raises the chemical shift value, is one explanation for this. The proton is more exposed to the magnetic field that is being applied externally as a result of this process, which is referred to as de-shielding.

To learn more about limbic system visit:

brainly.com/question/14788457

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3 0
2 years ago
Which power source uses the earth’s internal heat?
Nataly_w [17]

Answer:

Its geothermal energy.

Explanation:

hope this helps

5 0
3 years ago
What particle has the most energy
Katyanochek1 [597]

Answer:

electrons

Explanation:

By particles im assuming you mean subatomic. The particle with the most energy in this case would be electrons.

5 0
3 years ago
Read 2 more answers
385 J of heat are needed to heat a piece of aluminum from 22°C to 45°C. If the specific heat of Al is 0.90 J/g°C, what is the ma
VikaD [51]

Answer:

M of Al=33.09g or 0.0331kg

Explanation:

Heat Energy= specific heat*mass*change in temperature

H=M*C*T

make M subject of the formula

M=H/CT

M=685J/0.90J/g°C*(45°C-22°C)

M=685J/0.90J/g°C*23°C

M=685J/20.7J/g

M=33.09g or 0.0331kg

4 0
3 years ago
Differentiate between the following terms.
Lorico [155]

Answer:

a.reducing agent reduces other elements and make itself oxidized

b.Oxidizing agent reduces itself and make other element oxidized

c.Oxidation state is apparent charge on an atom

Explanation:

7 0
3 years ago
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