balancing equations
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balancing chemical equations
(a) What scientific principle or law is used in the process of balancing chemical equations? (b) In balancing equations is it acceptable to change the coefficients, the subscripts in the chemical formula, or both?
Balance the following using either method of balancing redox equations.
Sn 2+ + Cr2O7^2- ----> Sn4+ + Cr3+ (acid solution)
Ag2O + CH2O -------> Ag + HCO2-