۲۶. $\_ H_{2(g)} + \_ Br_{2(g)} \rightarrow \_ HBr_{(g)}$

۲۷. $\_ V_{2}O_{5(s)} + \_ Ca_{(s)} \rightarrow \_ V_{(s)} + \_ CaO_{(s)}$

۲۸. $\_ HNO_{3(aq)} + \_ Ca(OH)_{2(aq)} \rightarrow \_ Ca(NO_{3})_{2(aq)} + \_ H_{2}O_{(l)}$

۲۹. $\_ NH_{3(g)} + \_ I_{2(g)} \rightarrow \_ N_{2(g)} + \_ HI_{(g)}$

۳۰. $\_ Li_{(s)} + \_ H_{2}SO_{4(aq)} \rightarrow \_ Li_{2}SO_{4(aq)} + \_ H_{2(g)}$

۳۱. $\_ N_{2(g)} + \_ O_{2(g)} \rightarrow \_ N_{2}O_{(g)}$

۳۲. $\_ Sn_{(s)} + \_ HCl_{(aq)} \rightarrow \_ SnCl_{2(aq)} + \_ H_{2(g)}$

۳۳. $\_ F_{2(g)} \rightarrow \_ F_{(g)}$

۳۴. $\_ H_{2}SO_{4(aq)} + \_ NaHCO_{3(aq)} \rightarrow \_ Na_{2}SO_{4(aq)} + \_ CO_{2(g)} + \_ H_{2}O_{(l)}$