Balance the following equations using the method outlined in Section 3.7: (a) C

Question

Balance the following equations using the method outlined in Section 3.7: (a) C + O_2 rightarrow CO (b) CO + O_2 rightarrow CO_2 (c) H_1 + Br_2 rightarrow HBr (d) K + H_2 O rightarrow KOH + H_2 (e) Mg + O_2 rightarrow MgO (f) O_3 rightarrow O_2 (g) H_2 O_2 rightarrow H_2 O + O_2 (h) N_2 + H_2 rightarrow NH_3 (i) Zn^-1 AgCl rightarrow ZnCl_2 + Ag (j) O_2 rightarrow SO_2 (k) NaOH + H_2 SO_4 rightarrow Na_2 SO_4 + H_2 O (l) Cl_2 NaI rightarrow NaCl + I_2 (m) KOH + H_3 PO_4 rightarrow K_3 PO_4 + H_2 O (n) CH_4 + Br_2 rightarrow CBr_4 + HBr

Explanation / Answer

Ans 3.59

While balancing the chemical equations start by equalising the number of each element in reactants to that of products .

Then you may check whether or not the reaction has same number of atoms on both the sides .

The balanced reactions are :

a) 2C + O2 = 2CO

B) 2CO + O2 = 2CO2

c) H2 + Br2 = 2HBr

d) 2K + 2H2O = 2KOH + H2

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