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harina [27]
3 years ago
8

Xa4D6A/viewform?hr_submission=ChglisyXkhUSEAj9|d2MkQsSBwjg24qS6woo

Chemistry
2 answers:
Alex787 [66]3 years ago
8 0

Answer:

4

Explanation:

The solution it option 4, where both the mass and time increase.

Juli2301 [7.4K]3 years ago
4 0
It’s should be option 4
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The mass spectrum of an unknown compound has a molecular ion peak with a relative intensity of 57.10% and an M+1 peak of 6.83%.
max2010maxim [7]

There are 11 Carbon atoms in the compound.

<u>Solution:</u>

Carbon atom count is the ratio of the M peak to the M+1 peak.

\text{ Number of Carbon atoms }=\frac{\text { Relative intensity of } M+1 \text { peak }}{0.011 \times \text { Relative tntensity of } M \text { peak }}

Here M peak is 57.10% and M+1 peak is 6.83%. On applying the values in the formula we get,

\frac{0.0683}{0.011\times0.571g} = 10.87\approx11

Therefore, the number of Carbon atoms in the compound are 11.

Refer the image attached below for a better understanding of M peak and M+1 peak.

The heaviest ion that has the greatest m/z value is said to be the molecular ion peak in mass spectrum.

6 0
4 years ago
Volume increases, pressure stays the same, temperature
Mila [183]
Temperature decreases (?)
4 0
3 years ago
Classify the same processes as exothermic or endothermic.
Inessa [10]

Answer:

1.endothermic

2.exothermic

3.exothermic

8 0
3 years ago
Read 2 more answers
when 48 .0g of carbon reacts with oxygen gas to form carbon dioxide, no carbon or oxygen is left over. How much oxygen is reacte
Arte-miy333 [17]

Answer:

128g

Explanation:

Given parameters:

Mass of carbon  = 48g

Mass of carbon dioxide  = 176g

Unknown:

Mass of oxygen that reacted  = ?

Solution:

Every chemical reaction must obey the law of conservation of mass. It states that "in a chemical reaction, matter is neither created nor destroyed" .

So;

     Mass of carbon + Mass of oxygen  = Mass of carbon dioxide

Mass of oxygen  = Mass of carbon dioxide  - Mass of carbon

Mass of oxygen  = 176  - 48  = 128g

3 0
3 years ago
Which substance below will exhibit hydrogen bonding between the molecules of the substance?
Morgarella [4.7K]
I think it might just might be e
5 0
3 years ago
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