CHEMISTRY HIGH SCHOOL

Complete the equation Fe + HOH = ?

Answers

Answer 1
Answer: Fe+2HOH=Fe(OH)_2+H_2. Iron is divalent to hydrogen and water.
Answer 2
Answer:

Answer:

Fe+2HOH=Fe(OH)_2+H_2. Iron is divalent to hydrogen and water.

Explanation:

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What are two examples of an endothermic reaction and what are two examples of an ectothermic reaction?

Answers

Exothermic processes: Making ice cubes,formation of snow in clouds


Endothermic processe: Melting ice cubes, evaporation of water

Is amber eye color considered brown?

Answers

Hello,

Amber eye color is not considered brown. The colors in the amber eye color are golden or copper.

Thanks for using brainly.

As the first five elements in Group 15 areconsidered in order of increasing atomic number,
first ionization energy
(1) decreases
(2) increases
(3) decreases, then increases
(4) increases, then decreases

Answers

The correct answer is option 1. The first ionization energy, in group 15 elements in increasing atomic number, decreases. Ionization energy is the amount of energy requires to detach one electron from the atom. In the periodic table, the ionization energy decreases as one goes down.

Answer: The first ionization energy for the first five elements of Group 15 decreases.

Explanation:

Ionization energy is defined as the energy required to remove an electron from the outermost shell of an isolated gaseous atom. It is represented as E_i

X(g)\rightarrow X^+(g)+1e^-;E_i

Ionization energy decreases as we move down the group. This happens because the number of shells increases as we move down the group. The electrons are added in the new shell around the nucleus.

This results in the shielding of outermost electrons more from the inner ones, which decreases the attraction between the outermost electrons and the nucleus. Hence, the removal of electron from the outermost shell becomes easy and requires less energy.

Hence, the first ionization energy for the first five elements of Group 15 decreases.

What is a single kind of organism that can reproduce among its own kind?

Answers

Bacteria, protista, etc. Prokaryotes

Compared to a phosphorus atom, a P3- ion has

Answers

Answer:

Three more electrons

Explanation:

Compared to a phosphorous atom (P) the P3- ion has gained 3 electrons resulting in the trivalent negative charge. P3- is a reduced state of P and to name some properties:

  • It has a bigger atomic radius due to the extra electrons and the weaker attraction the protons have to them.
  • It can react as a base (taking electrons)
Compared to a phosphorus atom, a P3- ion has more electrons and a larger radius. With a negative charge means there are more electron than protons, this increases the radius because positive charge is trying to hold a larger negative charge. Hope this helps

PLEASE FASTER THIS IS DUE DATE, create an hypothesis for the increase in CO2 levels and the affect on crop plants

Answers

Answer:

The increase in CO2 will affect crop plants by causing in increase in global warming and therefore, will stunt plant growth and cause excessive heat to kill the plants.

Explanation:

Hope this helps! xoxo
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