Question

Find the mass and volume of N2 and H2 gasses produced at S.T.P when a sample of 54dm3 of NH3 is heated. 2NH3 => N2 + 3H2​

Answer 1

Explanation:

Perimter=sum of all lengths of sides of triangle

⇒ Perimeter =3a {a= side of triangle }

⇒45=3a

⇒a=15cm.