CHEM 1202 : Exam 4 Electrochemistry Blank S13
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Important: on the scantron sheet fill in your name (last name first) and id number in the box and bubble in the corresponding letter and number. Ask a question, if you are not sure about what to do or if you are confused about the content of the problem. Some useful constants: f = 96. 5kj/v mole; 96,500j/v mole or 96,500 c/mol e. R=8. 314 j/mol k (reduction table can be found at the back of the exam) Equations: ecell = e cell (0. 0257/n) lnq @ 25 c: how many electrons are transferred, n, in the following redox reaction: 2pb+2 (aq) + 2 h2o (l: 0, 1, 2, 4, 6. From the thermodynamic data given below, calculate s rxn for the following reaction: A (s) + b (l) 2 c (g) + d (g) D, g: 150 j/molk, +90 j/molk, 90 j/molk, +150 j/molk, +30 j/molk. 80 j/mol k: what is the oxidation number of s in so4.
