post lab 2 - saldana(avs387 Post-lab 2 Lyon(90255 This...

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saldana (avs387) – Post-lab 2 – Lyon – (90255) 1 This print-out should have 15 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 2) 10.0 points Which of the following reactions (reactants only) in the copper cycle is a redox reaction? (Note that the reactants are not balanced in the equations below.) 1. CuO(s) + H 2 SO 4 (aq) 2. CuSO 4 (aq) + Al(s) 3. Cu(OH) 2 (aq) + heat 4. Cu(NO 3 ) 2 (aq) + NaOH(aq) 002 (part 2 of 2) 10.0 points Which reactant in the redox reaction above is the reducing agent ? 1. NaOH 2. Cu(NO 3 ) 2 3. CuO (s) 4. Al 5. CuSO 4 6. Cu(OH) 2 7. H 2 SO 4 003 10.0 points When copper metal is reacted with nitric acid, the copper metal is (reduced / oxidized) and the number of electrons transferred in the reaction is/are (one or two or three). 1. Copper is reduced; one electron is trans- ferred 2. Copper is oxidized; two electrons are transferred 3. Copper is reduced; three electrons are transferred 4. Copper is oxidized; one electron is trans- ferred 5.
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