Slide 1 1 Electrochemistry Chapter 20 Slide 2 2 Half-reaction method…remember? Example Example Al (s) + Cu 2+ (aq)  Al 3+ (aq) + Cu (s) Oxidation: Al (s)  Al 3+ (aq)…

Slide 1 Chapter 4: Oxidation – Reduction Reactions Slide 2 Oxidation – Reduction Reactions involve the gain and loss of electrons. The species involved in these reactions…

Electrochemistry is the chemistry of reactions which involve electron transfer. In spontaneous reactions electrons are released with energy which can be used in electrochemical…

Unit 3 Redox Go to question 1 2 3 4 5 6 7 8 a. 4 b. 3 c. 2 d. 1 Cr2O7 2- (aq) + 14H+ + 6e 2Cr 3+ (aq) + 7H2O (l) I2 (aq) + 2e- 2I - (aq) How many moles of I2 are reduced…

Slide 1 Chapter 21 Electrochemistry Slide 2 Electrochemical Processes Chemical processes can either release energy or absorb energy. The energy can sometimes be in the form…