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likoan [24]
3 years ago
9

In the following list, only is not an example of a chemical reaction

Chemistry
1 answer:
Sladkaya [172]3 years ago
4 0

There is no pictu-res...sss
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Measurements show that unknown compound X has the following composition: element mass % carbon 41.0% hydrogen 4.58% oxygen 54.6%
anastassius [24]

Answer:

CHO

Explanation:

Carbon = 41%,  Hydrogen = 4.58%, oxygen = 54.6%

Step 1:

Divide through by their respective relative atomic masses

41/ 12,         4.58/1,         54.6/16

3.41              4.58            3.41

Step 2:

Divide by the lowest ratio:

3.41/3.41,      4.58/3.41,     3.41/3.41

1,                    1,                  1

Hence the empirical formula is CHO

8 0
3 years ago
PLEASE HELP ME OUT!!
vesna_86 [32]

Answer:

hydrogen

Explanation:

7 0
3 years ago
The diagram shows the structure of an animal cell.
Vera_Pavlovna [14]

Answer:

1

Explanation:

The cell membrane is the protective, semi-permeable membrane surrounding a cell and its contents.

8 0
3 years ago
Read 2 more answers
What is the difference between water and alcohol
Rudik [331]

Answer:

water is H2O having different structure than alcohol R-OH which means they have different properties too.

Explanation:

In water one oxygen atom  is covalently bound with  two hydrogen atoms while alcohol is an organic compound  having Oh group attached to the carbon chain.

Other than liquid water can occur in solid form that is ice and in gaseous form that is vapors too while alcohol only present in liquid form.

heat of evaporation of alcohol is lower than water means water need more heat to evaporate than alcohol that is why we can say alcohol having more cooling effect than water.

7 0
3 years ago
Why do the protons identify the element and not the electrons or the<br> neutrons?
Lunna [17]
Protons identity the element because the number of protons gives us the atomic number of each element
4 0
2 years ago
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