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BigorU [14]
3 years ago
15

Name two compounds in unpolluted air?

Chemistry
1 answer:
elena-14-01-66 [18.8K]3 years ago
3 0

The two compounds present in unpolluted air are carbon dioxide and water. You may think that carbn dioxide is a greenhouse gas, yes it is and at the same time not. There animals in the earth that produces carbon dioxide into the atmosphere, the carbon dioxide too, is also need for plan respiration. 

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If there are 10 navy beans,3 pinto beans,and 17 lentils in a container,what is the percent composition of the container by bean?
Stells [14]

The percent abundance in the container by bean will be 43.33 %  if there are 10 navy beans, 3 pinto beans, and 17 lentils in a container

<h3>What is Percentage composition ?</h3>

The percentage composition of a given compound is defined as the ratio of the amount of each element to the total amount of individual elements present in the compound multiplied by 100.

% composition by bean = number of beans / total number of objects in container x 100

  • Total object = 10 ( navy beans) + 3 (pinto beans) + 17 ( lentils) = 30 objects
  • Total beans = 10 ( navy beans) + 3 (pinto beans) = 13 beans

hence ;

  • % composition by beans = 13/30 x 100 = 43.33 %

Therefore, the percent composition of the container by bean is 43.33 %

Learn more about Percentage composition here ;

https://brainly.in/question/5322610

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7 0
2 years ago
Calculate the ionization energy, ????????, of the one‑electron ion Be3+. The electron starts in the lowest energy level, ????=1.
spin [16.1K]

Answer:

3.49X10⁻¹⁷ J

Explanation:

The energy of an electron is given by the equation:

E = - (2.18x10^{-18})Z^2(\frac{1}{n^2})

Where Z is the number of protons of the atom and n is the energy level of the electron. For Be, Z = 4.

When n tends to infinity (1/n²) tends to 0, and at this point, the electron has left the atom, so it has ionized.

The ionization energy then is the energy of the electron that left the atom less the energy of the electron in the energy level:

I.E = - (2.18x10⁻¹⁸)x4²x0 - (-(2.18x10⁻¹⁸)x4²x(1/1²))

I.E = 3.49X10⁻¹⁷ J

3 0
3 years ago
The most ideal way to perform a two-point turn is by
Stells [14]
Is by turning a few seconds before

5 0
4 years ago
What are 3 different forces that act on objects on the earth.
ANEK [815]
Applied force
Gravitational force
And Normal force
7 0
4 years ago
How does monochlorination work? Please describe with an exampel.
Sunny_sXe [5.5K]

We have to explain monochlorination.

Monochlorination is the process to introduce one chlorine atom in any organic compound.

Generally, monochlorination takes place by replacement of proton from organic compound. To do chlorination, Cl₂ or HCl is used as reagent.

Inntroduction of  one Cl-atom in any organic molecule takes place through free radical mechanism.

The monochlorination of benzene is shown here:


6 0
3 years ago
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