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2 years ago

Can two or more elements be combined chemically to make a new element? Explain your answer.

2 answers:

6 0

Yes; this process if called nuclear fusion, and an example of it is in the sun. Elements in the sun are combined to create heavier elements in order to provide fuel.

Likurg_2 [28]2 years ago

6 0

Answer:

I think it's quite simple.

Explanation:

An element is basically a group of similar atoms combined. For example, gold atoms combine to form a gold element (metal).
A compound is the product of the chemical combination of two or more atoms. For example, two Hydrogen atoms and an Oxygen atom combine to form water (a compound).
And a mixture is the product of the physical combination of two or more substances (not chemically combined). For example mixing water and milk powder. I hope it was helpful.

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Answer:

If the temperature of gas is decreased the pressure will also goes to decrease.

Explanation:

The pressure and temperature have direct relation. If the temperature of gas will increase the pressure of gas will also goes to increase.

According to the Gay-Lussas's Law,

The pressure of given amount of gas is directly proportional to the absolute temperature when volume is kept constant.

Mathematical relationship:

P ∝ T

P = kT

P/T = k

and

P₁/T₁ = P₂/T₂

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