The area of triangle
b= = 20cm, B = 32​

How do we find the answer?

Hydrogen is the most abundant element on the periodic table..hope it .

Answer:

5.6⋅10−^19  j

do you need the explaination?

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).