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Topic 9 oxidation-reduction answer key
#The substance being oxidized loses mass due to lost electrons #The substance being reduced gains mass due to gained electrons Half . #The substance being reduced is the oxidizing agent. May 27 - Chapter 17 textbook Topic 9 review book OXIDATION-REDUCTION Answer questions 31, 32 and 34 in the green box in the scantron sheet. . Search Twitter for topic 9 oxidation-reduction answer key, to find the latest news and global events. Find and people, hashtags and pictures in every theme. Split into two obvious half equations NO3- --> NO Cu --> Cu2+ Step 2. Add H20 then H+ NO3- --> NO NO3- --> NO + 2H2O (To balance the number of Os) 4H+ + NO3- --> NO +2H2O (To balance the number of Hs) 4H+ + NO3- + 3e- --> NO +2H2O (To balance the charges on the left hand side). Add the e- to balance the charges E.g. NO3- + Cu --> NO + Cu2+ Step 1. Split into two obvious half equations NO3- --> NO Cu --> Cu2+ Step 2. Add H20 then H+ NO3- --> NO NO3- --> NO + 2H2O (To balance the number of Os) 4H+ + NO3- --> NO +2H2O (To balance the number of Hs) 4H+ + NO3- + 3e- --> NO +2H2O (To balance the charges on the left hand side). Add the e- to balance the charges E.g. NO3- + Cu --> NO + Cu2+ Step 1. the sum of the oxidation numbers in all the compounds must . OXYGEN is usually -2 in compounds. when it combines with FLUORINE, which is more ELECTRONEGATIVE, it is +2. REDOX REACTIONS REDOX = reduction & oxidation Corrosion of aluminum 2 Al(s) + 3 Cu 2+ (aq) 2 Presentation on theme: "Oxidation and Reduction TOPIC 9.