hw 9 - Homework #9 holcombe This print-out should have 8...

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– Homework #9 – holcombe – 1 This print-out should have 8 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 10.0 points Balance the reaction ±e(NO 3 ) 2 + HNO 3 ±e(NO 3 ) 3 + NO + H 2 O . What is the coefficient oF NO in the bal- anced equation? Correct answer: 1. Explanation: The balanced equation is 3 ±e(NO 3 ) 2 + 4 HNO 3 3 ±e(NO 3 ) 3 + NO + 2 H 2 O . 002 10.0 points Balance the reaction NaCrO 2 + NaOH + H 2 O 2 Na 2 CrO 4 + H 2 O . What is the coefficient oF Na 2 CrO 4 in the balanced equation? Correct answer: 2. Explanation: The balanced equation is 2 NaCrO 2 + 2 NaOH + 3 H 2 O 2 2 Na 2 CrO 4 + 4 H 2 O . 003 10.0 points ±or an electrochemical reduction process, electrons are 1. added to solution species at the surFace oF the cathode. correct 2. added to solution species at the surFace oF the anode.
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hw 9 - Homework #9 holcombe This print-out should have 8...

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