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mixer [17]
3 years ago
13

The line of longitude used as the origin in a system of coordinates

Chemistry
1 answer:
3241004551 [841]3 years ago
7 0
Yup, that is correct.
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Oksanka [162]

Answer:

bat dipo maklaro ang pic po

6 0
2 years ago
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15. An electrically neutral atom consists of 15 neutrons, 13 electrons, and a number of protons. What is its mass number?​
Korvikt [17]

Answer:

28

Explanation:

it states that the atom is neutral, meaning the number of electrons and protons are the same. so if there are 13 electrons, there are 13 protons. And the mass number is neutrons plus protons. So 13+15 is 28

4 0
3 years ago
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What is the net ionic equation for ammonia and phosphoric acid?
olganol [36]
 N<span>et ionic equation for ammonia and phosphoric acid</span>  is 
3 NH4OH + H3PO4 >> (NH4)3PO4 + 3 H2O
hope this helps
7 0
3 years ago
The arrows in the chart below represent phase transitions. Three bars are shown labeled Solid, Liquid, and Gas. They are connect
Setler [38]

The arrows that represent the phase transitions in which heat energy is gained is : (A). 1, 2 and 3

<h3>Meaning of phase transitions</h3>

Phase transitions can be defined as the changing of matter from one form to another due to the addition or gaining of heat or due to the removal or loss of heat.

Phase transitions in matter are majorly between three phases which are: Solid, Liquid and Gas.

In conclusion, The arrows that represent the phase transitions in which heat energy is gained is : (A). 1, 2 and 3

Learn more about Phase transitions: brainly.com/question/11048831

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7 0
2 years ago
Determine the number of 3s electrons in Na .
Scorpion4ik [409]

Answer:

Explanation:The atomic number of sodium is 11. That is, the number of electrons in sodium is 11. Therefore, a sodium atom will have two electrons in the first shell, eight in the 2nd orbit, and an electron in the 3rd shell.

3 0
1 year ago
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