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Elenna [48]
3 years ago
8

What's the answer to this question?

Chemistry
2 answers:
RoseWind [281]3 years ago
5 0
The answer is b because it’s 124 degrees
Lena [83]3 years ago
4 0
The answer is B- 124 degrees
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Acetone is a three-carbon aldehyde. True/False.
stiv31 [10]

Answer: acetone is a ketone and not an aldehyde. Therefore it's false

Explanation:

Acetone is of structure CH3-CO-CH3

which makes it a ketone.

Both aldehyde and ketone have a carbonyl group but there is difference between aldehyde and ketone.

Aldehydes have a general formula R-CHO

where R is a methyl group including H atom, and CHO is the functional group.

While

Ketone have the general formula R-CO-Ri

where R and Ri are methyl groups excluding H atom, and CO is the functional group.

Hint: ketones usually end with the suffix "one" as in acetone.

5 0
3 years ago
Calculate the molar mass of CH4 gas at STP when 5.46Lof the gas weighs 4g??​
meriva

Answer:

About 16.42 grams

Explanation:

PV=nRT \\\\(1)(5.46L)=n(0.0821)(273) \\\\n\approx 0.2436 \\\\4g/0.2436\approx 16.42

Hope this helps!

6 0
3 years ago
Match each vocabulary term with the correct definition
Ilia_Sergeevich [38]

Answer:

Amplitude ----> C.) The distance from a crest or trough to the rest position on the horizontal axis

Crest ---> A.) The highest point of a wave

Destructive interference ---> E.) A situation in which the crest of one wave and the trough of another overlap, resulting in a wave that has a smaller amplitude than the original waves

Sound Wave ---> B.) A vibration transmitted through an elastic medium, such as a gas, liquid, or solid

Trough ---> D.) The lowest point of a wave

8 0
2 years ago
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This is how platinum appears in the periodic table.A purple box has P t at the center and 78 above. Below it says platinum and b
ozzi

Answer:

3.) 195

Explanation:

Because platinum is 195.079 amu (its on the periodic table)

6 0
3 years ago
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What is the therm energy of an object?
Elan Coil [88]

Answer:

B

Explanation:

B. the total kinetic and potential energies of its particles

3 0
3 years ago
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