Question

For each chemical equation below, write the number of product molecules that will form from the reaction. Then, circle the limiting reactant. (Note: The coefficients in front of the reactants indicate the number of reactant molecules or atoms present.)


10Zn + 16HCl = ZnCl2 + H2

7N2 + 9H2 = NH3

Answer 1

We need to balance both equations

#1

$\\ \tt\Rrightarrow 10Zn+20HCl=10ZnCl_2+10H_2$

#2

$\\ \tt\Rrightarrow 7N_2+21H_2=14NH_3$