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Anika [276]
3 years ago
10

Which substance is an example of an element?

Chemistry
2 answers:
kaheart [24]3 years ago
6 0

It is B. I took the test!!

Gnoma [55]3 years ago
4 0
Copper is an element. An element is a substance that is entirely made from one type of atom.
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Copper (II) nitrate, Cu(NO3)2, solution reacts with potassium hydroxide, KOH, to form a blue
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Answer:

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3 years ago
How are estuaries connected to oceanic organisms?
Viktor [21]

Answer:

A: Estuaries provide a nursery grounds for oceanic organisms

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the estuaries provide Ov2 and HvO2 for these organism

5 0
3 years ago
Welding is an industrial process that is used to join pieces of metal. A certain mixture of gases used in welding is composed of
GarryVolchara [31]

The given question is incomplete. The complete question is :

Welding is an industrial process that is used to join pieces of metal. A certain mixture of gases used in welding is composed of carbon dioxide and argon. The partial pressure of carbon dioxide is 0.080 atm and the partial pressure of argon is 0.24 atm. What is the total pressure of the mixture.

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Explanation:

According to Dalton's law, the total pressure is the sum of individual pressures.

p_{total}=p_{CO_2}+p_{Ar}

Given : p_{total} =total pressure of gases = ?

p_{CO_2} = partial pressure of carbon dioxide = 0.080 atm

p_{Ar} = partial pressure of argon = 0.24 atm    

putting in the values we get:

p_{total}=0.080atm+0.24atm  

p_{total}=0.32atm

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8 0
3 years ago
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