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vfiekz [6]
3 years ago
15

The extraction of pure copper is expensive. Give one reason why

Chemistry
2 answers:
stiv31 [10]3 years ago
8 0
The ore contains some metals which need alot of energy to get out and energy is expensive
goblinko [34]3 years ago
3 0
Because it requires lots of electricity to turn it into an aqueous solution so that electrolysis can be performed on it.
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Cr2(SO4)3 is the formula
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3 years ago
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A breathing mixture used by deep-sea divers contains helium, oxygen, and carbon dioxide. What is the partial pressure of oxygen
Kay [80]
Answer is: pressure of oxygen is 31,3 kPa.
The total pressure<span> of an ideal gas mixture is the sum of the </span>partial pressures<span> of the gases in the mixture.
p(mixture) = p(helium) + p(oxygen) + p(carbon dioxide).
p(oxygen) = p(mixture) - (p(helium) + p(carbon dioxide)).
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3 0
3 years ago
Which of the following statements correctly describes the relationship between volume and temperature( moles and pressure of gas
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Answer:

pressure of gas are constant describe the relationship between moles and temprature

6 0
3 years ago
Assume an original volume of blood of one deciliter (100 ml). if 5 ml of oxygen diffuses into the blood, what would be its final
oksano4ka [1.4K]

Assume an original volume of blood of one deciliter (100 ml). if 5 ml of oxygen diffuses into the blood, 100 ml will be its final volume.

A tissue is made up of white blood cells, platelets, red blood cells, and other elements suspended in a liquid. Blood transports waste away and delivers nutrients and oxygen to the tissues. The entire amount of fluid moving through the heart's arteries, capillaries, veins, venules, and chambers is referred to as blood volume. Red blood cells (erythrocytes), white blood cells (leukocytes), platelets, and plasma are the elements that give blood volume.

The amount of water and sodium ingested, expelled by the kidneys into the urine, and lost through the digestive system, lungs, and skin determines blood volume. The amounts of salt and water that are consumed and excreted vary greatly.

To know more about blood volume refer to:  brainly.com/question/7313563

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5 0
2 years ago
Which of the following is not an example of a pure element?
motikmotik
Copper wire is not an example of a pure element because although it's made by pure elements, it's not one itself. It's made by factories.

Have a nice day! :)
8 0
3 years ago
Read 2 more answers
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