1/2 reaction method

Started by Nathalie, June 30, 2009, 12:44:35 AM

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Nathalie

How would I balance the following equations using the 1/2 equation method? I have a few problems like the following but these two I'm stuck on. Also how do I go about identifying the oxidizing and reducing agents?

H2S + HNO3 ---> NO2 + S + H2O


HI + H2SO4 ---->H2S + I2 + H2O


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