Question 4 of chapter 4, General Chemistry: Principles and Modern Apps by Petrucci   Balance the following equations by inspection. (a)SO2Cl2+HI --> H2S+H2O+HCl+I2 (b) FeTiO3 + H2SO4 + H2O --> FeSO4 x 7 H2O + TiOSO4 (c) Fe3O4 +HCl+Cl2 --> FeCl3 +H2O+O2 (d) C6H5CH2SSCH2C6H5 + O2 --> CO2 + SO2 + H2O

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