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Papessa [141]
3 years ago
7

Label the samples based on their pH levels​

Chemistry
1 answer:
Verdich [7]3 years ago
8 0

I need to see a pic to answer this q x

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1. Circle the letter of each sentence that is true about water's structure. a. Water is made up of atoms bonded to form molecule
sukhopar [10]

Water is made up of atoms bonded to form molecules, the chemical formula for water is H20, and 1 side has a positive charge, while the other has a negative one.

<h3>What is water?</h3>

Water is a fundamental molecule for life on the Earth due to its physico-chemical properties.

The water formula is H2O, which means that this molecule is composed of two atoms of Hydrogen and one atom of Oxygen.

In conclusion, Water is made up of atoms bonded to form molecules, the chemical formula for water is H20, and 1 side has a positive charge, while the other has a negative one.

Learn more on water properties here:

brainly.com/question/18681949

#SPJ1

8 0
2 years ago
In two or more complete sentences explain how to balance the chemical equation and classify its reaction type
Dafna11 [192]

Answer:

Hi! In this case, the reactioncan be correctly balance according to this: 2Al(s) + 3CuSO4(aq) –> Al2(SO4)3(aq) + 3Cu(s).

Explanation:

In this particulary reaction,two semi-reactions happens.

One involving the metallic aluminum that suffers an oxidation reaction:

Al (s) -> Al3 + (aq) + 3e–

and another is a reduction reaction involving copper;

2e– + Cu2 + (aq) -> Cu (s)

4 0
2 years ago
Read 2 more answers
Please and thank you!
Valentin [98]

Answer:

7.5 moles of O₂.

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

2KClO₃ —> 2KCl + 3O₂

From the balanced equation above,

2 moles of KClO₃ decomposed to produce 3 moles of O₂.

Finally, we shall determine the number of mole of O₂ produced by the decomposition of 5 moles of KClO₃. This can be obtained as follow:

From the balanced equation above,

2 moles of KClO₃ decomposed to produce 3 moles of O₂.

Therefore, 5 moles of KClO₃ will decompose to produce = (5 × 3)/ 2 = 7.5 moles of O₂.

Thus, 7.5 moles of O₂ were obtained from the reaction.

3 0
2 years ago
To change a solid to a liquid, you need to increase / decrease the amount of heat energy
nataly862011 [7]
Increase because of the higher the temp
7 0
2 years ago
Read 2 more answers
You are growing a garden and notice that the soil is always wet. What type of soil do you have?
Lubov Fominskaja [6]

Answer:

Clay

Explanation:

clay does not allow water to flow

3 0
2 years ago
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