Question

2H2 +O2 2H2O
An equation showing the reaction between Hydrogen and Oxygen to form
water is given.
a) What are the reactants and products in this reaction ? (1)
b) Find the total number of molecules and atoms of the reactants. (1)
c) Find the total number of molecules and atoms of the products. (1)
d) What is the relation between number of atoms of the reactants and (1)
products.

Answer 1

(a) reactants are hydrogen and oxygen

(b) 2 molecules of hydrogen and 1 molecule of oxygen two two atoms of hydrogen and oxygen

(c) 2 molecules of water and total no of atoms is 6

(d) 1 is to 3 la relation