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kumpel [21]
2 years ago
9

To make energy, a plant must get carbon, hydrogen, and oxygen atoms. What is the source of these atoms

Chemistry
1 answer:
damaskus [11]2 years ago
7 0

Answer:

Carbon comes from the air and soil, hydrogen comes from absorbing water, H20, and breaking it down into Hydrogen and oxygen :) (also where oxygen comes from)

Explanation:

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If the copper cube had a mass of 28.7 grams and a volume of 3.2 mL, what would its density be?
Otrada [13]

Answer:

ρ=m÷v

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3 0
3 years ago
Argon gas has a boiling point of -197 °C. Which of the following diagrams best represents the
Paha777 [63]

Answer:

(a)

Explanation:

Hello,

In this case, the temperature required to boil argon, it means, transform it from liquid to gas is -197 °C. In such a way, since the temperature inside the steel sphere is -190 °C, which is greater than the boiling point, we realize argon is gaseous, therefore, the molecules will be spread inside the sphere as they will be moving based on the kinetic theory of gases.

For that reason, answer is scheme (a).

Best regards.

6 0
3 years ago
If an isotope has an atomic number of 8 and a mass number of 18 how many neutrons
Artemon [7]
It will be Oxygen . And total 8 protons, 8 electrons and 9 neutrons are present in it.
6 0
3 years ago
Solid a is a very hard electrical insulator in solid as well as in molten state and melts at extremely high temperature. What ty
devlian [24]

This is covalent network type of solid.

For example, silicon dioxide (SiO₂) is covalent network solid with covalent bonding.

Covalent network solid is a chemical compound (or element) in which the atoms are bonded by covalent bonds in a continuous network extending throughout the material.

Silicon(IV) oxide has continuous three-dimensional network of SiO₂ units and diamond has sp3 hybridization.

This solids do not have free electrons so they are good insulators.

They have strong covalent bonds, so they melt at extremely high temperature.

Other examples are quartz, diamond, and silicon carbide.

More about network solid: brainly.com/question/15548648

#SPJ4

5 0
1 year ago
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marta [7]
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