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Musya8 [376]
3 years ago
11

Howmany copper atoms there is in Copper(II) oxide?​

Chemistry
2 answers:
Oxana [17]3 years ago
8 0

Answer:

copper(ll) has 4 oxygen atoms

pychu [463]3 years ago
4 0

Answer:

4 copper atoms

please mark me brainliest if it helps you

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Which is a benefit of genetically modified foods?
rjkz [21]

Answer:

Some benefits of genetic engineering in agriculture are increased crop yields, reduced costs for food or drug production, reduced need for pesticides, enhanced nutrient composition and food quality, resistance to pests and disease, greater food security, and medical benefits to the world's growing population.

3 0
3 years ago
AlF3 is almost insoluble in anhydrous HF but dissolves if KF is present.passage of BF3 through the resulting solution causes AlF
miskamm [114]
<span>It's because the product formed with BF3 is more complex which able to decompose AlF3.

</span>AlF3 doesn't dissolve in HF because of the fluorine. It's doesn't allow for coordination due to the hydrogen. However, it will dissolve in KF. If you look at the chemical reaction, it's able to form a salt.

<span>3KF+Al<span>F3</span>−>3KF.Al<span>F3</span></span>
4 0
4 years ago
HELP PLS A chemical reaction between an acid and a base that produces water and a salt is known as neutralization. Which of the
quester [9]

Answer:

4th Option

Explanation:

HNO3 is an acid, KOH is a base and they react to produce KNO3 which is a salt and H2O water.

So this reaction is a neutralisation reaction.

7 0
4 years ago
Luis is helping his parents paint a border around the walls of a room. He uses a stencil to repeat the same design on each wall
iren [92.7K]

Answer:

Polymerization.

Explanation:

Polymerization can be defined as a type of chemical reaction in which molecules that are relatively small in size chemically combine to form a huge chain of molecules.

Simply stated, polymerization refers to a chemical reaction where two or more smaller molecules react to produce larger molecules of the same network or repetitive structural units.

In polymerization, the relatively small molecules are generally referred to as monomers while the larger molecules they produce are known as polymers.

Polymerization is given by the chemical formula;

nA -----> A(n).

In this scenario, Luis uses a stencil to repeat the same design on each wall to form one long grapevine with a bunch of grapes every foot along its length.

Hence, the type of chemical reaction this best model is polymerization because it involved repeating the same design (monomers) to form a long grapevine with a bunch of grapes (polymers).

5 0
3 years ago
What mass of water is produced when 425 g of octane is burned?
Vitek1552 [10]
659. 48 g of water is produced
3 0
3 years ago
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