3 years ago

How can the melting point and boiling point of a substance be used to identify it?

1 answer:

4 0

Every substance has its own melting point therefore by finding the melting point we can be able to identify the substance

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A sample of an unknown compound is vaporized at . The gas produced has a volume of at a pressure of , and it weighs . Assuming t

Likurg_2 [28]

Answer:

The answer is " $34 \ \frac{g}{mol}$ "

Explanation:

Please find the complete question in the attached file.

Formula:

$\to PV = nRT\\\\n = \frac{mass}{MW} \\\\PV = \frac{mRT}{MW}\\\\MW = \frac{mRT}{(PV)}\\\\MW = \frac{(0.941)(0.082)(150+273)}{(1 \times 0.96)}$

$= \frac{(0.941)(0.082)(423)}{(0.96)} \\\\= \frac{32.639526}{(0.96)} \\\\= 33.9995062\ \ \ or \ \ \ 34 \ \frac{g}{mol}$

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3 years ago

Can you put this into your own words.?

kari74 [83]

In my own word like this

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What is ment by condensation?

Yakvenalex [24]

Condensation is when matter in the state of gas turns to a liquid

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Which statement about the Sun is true?

Travka [436]

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A. The Sun makes energy on the inside.

Explanation:

The Sun makes its own energy by the the process called Nuclear fusion. When two or more atomic nuclei fuse together to create different atomic nuclei the process is called Nuclear fusion. In Sun the hydrogen atoms are fused together to create helium.This releases the lot of energy.

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3 years ago

What is the tendency of a substance to undergo a chemical reaction

xxMikexx [17]

Answer:

REACTIVITY

Explanation:

what is the tendency of a substance to undergo a chemical reaction

In chemistry, REACTIVITY is the impetus for which a chemical substance undergoes a chemical reaction, either by itself or with other materials, with an overall release of energy

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3 years ago