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September 20, 2014

Posts by Yukiko


Total # Posts: 2

Chemistry
Balance the following redox equations. All occur in Acidic solutions. 1. Cr2O7^2-^ + C2O4^2-^ -> Cr^3+^ + CO2 2. Cu + NO3^-^ -> CU^2+^ + NO 3. MnO2+ HNO2 -> Mn^2+^ + NO3^-^ 4. PbO2 + Mn^2+^ + SO4^2-^ -> PbSO4 + MnO4^-^ 5. HNO2 + Cr2O7^2-^ -> Cr^3+^ + NO3^-^
September 3, 2008

Chemistry
I don't understand this question? What is the maximum amount in grams of SO3 that can be produced by the reaction 1.0 g of S with 1.0 g of O2 EQUATION: 2 S(s) +3 O2(g)--->2 SO3(g) The choices are: A) 3.8 B) 2.5 C) 0.27 D) 1.7 Shouldn't it be 2.0, or am I forgetting ...
August 29, 2008

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