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Eddi Din [679]
3 years ago
13

Name three sources of atmospheric carbon dioxide.

Chemistry
1 answer:
quester [9]3 years ago
4 0

The answer is decomposition, ocean release and respiration. hope this helps u :D

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What is the best name for the molecule below? (2 points)
Levart [38]
Given:

A compound with:

Number of carbon atoms = 9
Number of double bonds = 1 
A double bond between 5th and 6th carbon
A propyl group (CH2CH2CH3) branching off the 3rd carbon from the left

Try to illustrate the given and observe the formation of the atoms. Now, follow the correct IUPAC naming system. The name of the compound is 

4-propyl-1-hexene

Count from the right to the left, the double bond is between the 1st and 2nd carbon, thus, 1-hexene. The propyl branches out the 4th carbon from the right, thus 4-propyl. 


4 0
3 years ago
Read 2 more answers
Find the mass that corresponds to each number of
jeka94

Answer:159.7 g.

Explanation:

8 0
3 years ago
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A solution was found to have a 15. 6 % transmittance at 500 nm, its wavelength of maximum absorption, using a cell with a path l
sleet_krkn [62]

The correct answer is 0.16138

<u>Solution:</u>

Percentage transmission (%T) of the sample = 15.6

Therefore, Absorbance (A)  2 – log (%T) = 2 – log (15.6) = 0.8069

<u>Use Beer’s law:</u>

A = ε*c*l where ε = molar absorptivity of the solution, c = concentration of the solution, and l = path length of the solution.

Given A = 0.8069 and l = 5.00 cm, we must have

<u>0.8069 = ε*c*(5.00 cm)</u>

ε*c = 0.16138 cm-1

For the next part, assume that ε*c remains constant and we have

A’ = ε*c*l’ where l = 1.00 cm.

Plug in values and write

A’ = (0.16138 cm-1)*(1.00 cm) = 0.16138

The ratio of the light intensity entering the sample to the light intensity exiting the sample at a particular wavelength is defined as the transmittance. Absorption and transmission are two related and different quantities used in spectroscopy. The main difference between absorption and transmission is that absorption measures how much incident light is absorbed as it travels through the material, while transmission measures how much light is transmitted.

Learn more about The absorbance here:-brainly.com/question/14919298

#SPJ4

7 0
1 year ago
Which is a property of potassium (K)? O A. It is dull and brittle. O B. It is not reactive. O C. It is white and hard. O D. It i
atroni [7]

Answer:

D. It is extremely reactive.​

Explanation:

Potassium has atomic number of 19 and belongs to the group 1 elements.

A. It is dull and brittle

This is not true as potassium is a metal with a silver lustre.

B. It is not reactive

This is false. Because it is a group 1 element, it would readily lose it's electron to achieve octet configuration making it a reactive metal.

C. It is white and hard.

Potassium is a white metal, however it is not hard. Rather it is soft.

D. It is extremely reactive.​

This is correct. Because it is a group 1 element, it would readily lose it's electron to achieve octet configuration making it a reactive metal.

5 0
3 years ago
4. In an atomic model, what particles are found in the area surrounding the nucleus?
MAVERICK [17]
4. The particles found outside the nucleus are the electrons.
5 0
2 years ago
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