beehaddad63 beehaddad63 22-12-2022 Chemistry contestada Balance the following equations. a. _CH4 + _O2 → _CO2 + _H2O b. _Zn + _HCl → _ZnCl2 + _H2 c. _H2SO4 + _HI → _H2S + _I2 + _H2O d. _NaCl + _SO2 + _H2O + _O2 → _Na2SO4 + _HCl