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Umnica [9.8K]
2 years ago
12

Which functional group does the molecule below contain? HIC H H=COH [

Chemistry
1 answer:
katrin2010 [14]2 years ago
6 0

Answer:

D. \ \ \ \text{hydroxyl}

Explanation:

Alcohols are organic compounds that are composed of the hydroxyl function group (-\text{OH}), bonded to a carbon atom of an alkyl or a substituted alkyl group. Hence, the functional group of alcohols is the hydroxyl group (-\text{OH}).

According to the International Union of Pure and Applied Chemistry (IUPAC) nomenclature, alcohols are named by changing the -<em>e</em> ending of the name of the parent alkane to the suffix <em>-</em><em>ol</em>.

For example, the alcohol molecule in the figure demonstrates a hydroxyl group bonded to a methyl group. Therefore, the name of the alcohol is methanol.

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Why does the sun appear very large compared to the other stars
Ivanshal [37]

Answer:

the other stars are much farther away from Earth than our sun

6 0
3 years ago
Which three temperature readings all mean the same thing?
allochka39001 [22]

Answer: The correct answer is D. 273 Kelvin, 0 degrees Celsius, 32 degrees Fahrenheit.

Explanation:

Conversion of degree Celsius to Kelvin :

K=^oC+273

Conversion of degree Celsius to degrees Fahrenheit :

^oF=(\frac{9}{5}\times ^oC)+32

By using these two conversion factors, we get the three temperature readings all mean the same thing.

For option A :

K=^oC+273=100+273=373K

^oF=(\frac{9}{5}\times ^oC)+32=(\frac{9}{5}\times 100)+32=212^oF

For option B :

K=^oC+273=100+273=373K

^oF=(\frac{9}{5}\times ^oC)+32=(\frac{9}{5}\times 100)+32=212^oF

For option C :

K=^oC+273=0+273=273K

^oF=(\frac{9}{5}\times ^oC)+32=(\frac{9}{5}\times 0)+32=32^oF

For option D :

K=^oC+273=0+273=273K

^oF=(\frac{9}{5}\times ^oC)+32=(\frac{9}{5}\times 0)+32=32^oF

From the given options, only option (D) is correct.

Hence, the correct option is, (D) 273 Kelvin, 0 degrees Celsius, 32 degrees Fahrenheit

Hope this helps!

8 0
3 years ago
Read 2 more answers
A 7.32 g sample of copper is contaminated with 0.81 g of zinc. Suppose an atomic mass measurement was performed on this sample.
sergejj [24]
Hope it cleared your doubt.

5 0
3 years ago
A person weighed 15 pennies on a balance and recorded the following masses:
Artist 52 [7]

Answer:

A)  yes

B) The average mass of 12 pennies should be expressed as

( 3.131 + 3.129 + -------- X12 ) g /  12

where X12 = is the mass of the 12th penny

Explanation:

A) I think the the Bureau of Mint changed the way it made pennies because from the experiment and observation carried out on 15 different pennies it can be seen that they had different weights and this difference is associated with the period/time of production of the different pennies,

B ) The average mass of any object should be expressed in the si unit of mass and not having ($) sign attached to the value instead it should be expressed in grams or kilograms (s.i unit of mass )

The average mass of 12 pennies should be expressed as

( 3.131 + 3.129 + -------- X12 ) g /  12

where X12 = is the mass of the 12th penny

4 0
3 years ago
Pls do it I don’t understand
Ann [662]
The first question's answer is

6 0
2 years ago
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