CH145exam3_practice

CH145exam3_practice - CH145 Exam 3 practice SHOW ALL WORK 1...

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CH145 – Exam 3 practice SHOW ALL WORK 1. Indicate whether each compound can act as an acid, a base, both an acid and base, or neither an acid nor a base when dissolved in water. (Circle your choice) Mg(HSO 4 ) 2 acid base both neither aniline acid base both neither CaS acid base both neither FeF 3 acid base both neither 2. Which is a stronger acid in aqueous solution? (Circle your choice) H 3 O + or HCl bromic acid or hydrobromic acid FeCl 3 or AlCl 3 HNO 3 or HBrO 3 3. Which is a stronger base in aqueous solution? (Circle your choice) NaH or NaF (CH 3 ) 3 N or NH 3 KH 2 PO 4 or K 2 HPO 4 NH 2 or 2 NO 2 4. Which has higher entropy? (Circle your choice) 1 g ice at 0 °C or 1 g ice at -10 °C 1 mol of He gas at STP or 2 mol of He gas at STP 1 g H 2 CH 2 CH 2 gas @ 298 K or 1 g H 3 C H C CH 2 gas at 298 K 1 mol CH 4 gas at 1000 K or 1 mol C 8 H 18 gas at 1000 K
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CH145 – Exam 3 practice Page 2 of 4 5. Which of the following processes are thermodynamically reversible ? (Circle all that apply)
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CH145exam3_practice - CH145 Exam 3 practice SHOW ALL WORK 1...

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