Avogadro's law, dealing with volume of gasses, are my answers correct?

M

Mehraan K

New member
a) 3cm^3 of hydrogen react with 1cm^3 of nitrogen to give ___cm^3 of ammonia (NH3)

my answer is : 1cm^3 of ammonia


b) 20cm^3 of hydrogen react with 20cm^3 of chlorine to give ___cm^3 of hydrogen chloride (HCl) gas.

my answer is: 20cm^3 of hydrogen chloride


c) 300cm^3 of hydrogen react with 300cm^3 of bromine to give___cm^3 of hydrogen bromide.

my answers is: 300cm^3 of hydrogen bromide.


if they are not correct then please explain to me, how i should do this?

and is hydrogen bromide HBr?
 
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