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leonid [27]
2 years ago
11

Is HCI an acid or a base?​

Chemistry
1 answer:
Gnom [1K]2 years ago
5 0

Answer:

Strong Acid

Explanation:

Hope this helps! :)

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SOMEONE PLEASE HELP ME WITH THIS QUESTION!!!!!!!!!!!!
Advocard [28]

Answer:

KOH

Explanation:

Chemical reaction:

2K + 2H₂O →  2KOH + H₂

Element ratio of K.

K = 1

Because only potassium is present.

Element ratio of H₂O.

2 : 1

in water ratio of element is 2 : 1 because two hydrogen and one oxygen atom present.

Element ratio of KOH

1 : 1 : 1

in KOH elemental ratio is 1 : 1 : 1 because one potassium one hydrogen and one oxygen atom are present.

Element ratio of H₂.

2

Just two atoms of hydrogen are present.

8 0
3 years ago
If you dilute 40.0 mL of a 7.0 M solution to make 100.0 mL of solution, what is the molarity of the dilute solution?
Burka [1]

Answer:

2.8M

Explanation:

The following data were obtained from the question:

Volume of stock solution (V1) = 40mL

Molarity of the stock solution (M1) = 7M

Volume of diluted solution (V2) = 100mL

Molarity of diluted solution (M2) =?

Using the dilution formula, we can easily find the molarity of the diluted solution as follow:

M1V1 = M2V2

7 x 40 = M2 x 100

Divide both side by 100

M2 = (7 x 40)/100

M2 = 2.8M

Therefore, the molarity of the diluted solution is 2.8M

3 0
3 years ago
The teacher in item 10 also needs to order plastic tubing. If each of the 60 students need 750 mm of tubing, what length of tubi
Alex777 [14]

45 m. If each student needs 750 mm of tubing, the teacher should order 45 m of tubing.

a) Find the <em>length in millimetres</em>

Length = 60 students x (750 mm tubing/1 student) = 45 000 mm tubing

b) Convert <em>millimetres to metres </em>

Length = 45 000 mm tubing x (1 m tubing/1000 mm tubing) = 45 m tubing

6 0
3 years ago
What is the name of cuo? explain how you determined the bond type and the steps you used to determine the naming convention for
skelet666 [1.2K]

The name of CuO is Copper(II) oxide have the two most common oxidation states of copper are +2 and +1.

<h3>What is copper oxide used for?</h3>

Copper oxide is a trace element for the zootechnical and agricultural sector. Cupric oxide is also used as a raw material for the production of catalysts and pigments in the field of ceramics, glass and plastics.

This compound makes two different types of bonds being the hydrogen bond when it's a hydrogen and covalent bond when we have an oxygen or a nitrogen.

See more about Copper(II) oxide at brainly.com/question/24217869

#SPJ1

5 0
2 years ago
Why should the wearing of uniforms be discontinued in highscho​
Sav [38]
Because there is no need for them
6 0
3 years ago
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