3 years ago

How to find the number of moles in a molecule of water

Chemistry

1 answer:

abruzzese [7]3 years ago

6 0

Calculate the molar mass of the substance then Divide it by Avogadro's Number

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3 years ago

A helium balloon has a volume of 36 L. The pressure of the helium gas in the balloon is 132 kPa and its temperature is 27 degree

Verdich [7]

Answer:

$n =1.905mol$

Explanation:

Hello!

In this case, by considering helium gas as an ideal one, we can use the following equation:

$PV=nRT$

Whereas P should go in atmospheres and T in Kelvins; thus we proceed as follows:

$n=\frac{PV}{RT}=\frac{132kPa*\frac{1atm}{101.325kPa}*36L}{0.08206\frac{atm*L}{mol*K}(27+273)K} =1.905mol$

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3 years ago

How many electrons do atoms like to have in their outer shell?

irakobra [83]

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P4O10 + H2O —> <br> what are the products

liubo4ka [24]

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