Question

Balance the following reaction. A coefficient of "1" is understood. Choose option "blank" for the correct answer if the coefficient is "1."

C4H10 + O2 → CO2 + H2O

2.

Balance the following reaction. A coefficient of "1" is understood. Choose option "blank" for the correct answer if the coefficient is "1."

Al + HCl → AlCl3 + H2


3.

Balance the following reaction. A coefficient of "1" is understood. Choose option "blank" for the correct answer if the coefficient is "1."

Al + ZnCl2 → Zn + AlCl3