q2r.125 - Dr. Zellmer Time: 30 mins Chemistry 125 Winter...

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Chemistry 125 Thursday Time: 30 mins Winter Quarter 2012 February 16, 2012 Quiz II Name Rec. TA/time ---------------------------------------------------------------------------------------------------------------------------------------- Show ALL your work or EXPLAIN to receive full credit. R = 0.08206 L C atm/mol C K = 8.314 J/mol C K 1. (5 pts) Which of the following aqueous solutions has the HIGHEST osmotic pressure at 50.0°C? Assume “ideal” ionic solutions are formed (i.e. no ion-pairing). Show work or explain your answers. 0.020 M aqueous Fe(NO 3 ) 3 0.025 M aqueous CaCl 2 0.015 M aqueous Al 2 (SO 4 ) 3 2. (7 pts) The following data were measure for the reaction 2 A + 3 B v C + 4 D Experiment [A] (M) [B] (M) Initial rate (M/s) 1 0.100 0.050 0.0500 2 0.100 0.100 0.2000 3 0.100 0.300 1.8000 4 0.200 0.300 5.0912 5 0.200 0.100 0.5657 a) What is the rate law for the reaction? Copyright R. J. Zellmer, February 16, 2012
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This note was uploaded on 02/19/2012 for the course CHEM 125 taught by Professor Zellmer during the Winter '08 term at Ohio State.

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q2r.125 - Dr. Zellmer Time: 30 mins Chemistry 125 Winter...

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