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CHM116 Sample Exam 2

CHM116 Sample Exam 2 - CHM 116 Sample Exam 2 1 You are...

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Page 1 CHM 116 Sample Exam 2 1. You are responsible for the information on this page. Please read it carefully. 2. Print and code both your name and 10-digit affiliate ID on the scantron sheet. The affiliate ID is the second sequence of numbers on your University ID card (100-------). 3. Use only a #2 pencil. 4. Do all calculations on the exam pages. Do not make any unnecessary marks on the answer sheet. 5. This exam consists of 25 multiple choice questions worth 4 points each and a periodic table. Make sure you have them all. 6. Choose the best answer to each of the questions and answer it on the computer-graded answer sheet. Read all responses before making a selection. 7. When you are finished, turn in only your scantron. You may keep the exam questions. Answer keys will be posted on Blackboard this afternoon. Potentially useful information: T 273.15 , 0.08206 8.314 , products reactants f,products f,reactants T Kelvin Celsius PV nRT E q w E H P V w P V n RT gas L atm J R mol K mol K H H vap fus S S vap fus T T boil melt o o o S n S n S o o o H n H n H o G n = + = = + =∆ = − = −∆ = = = = = = = f,products f,reactants , ln ln o o G n G o o o G H T S G H T S o G G RT Q o G RT K =∆ =∆ =∆ + = a b a b [A] [B] [A] [B] eq eq aA+bB cC+dD, , c d c d [C] [D] [C] [D] eq eq ( ) 1 1 1 ln( ) ( ) 2 2 1 2 4 2 0; 2 + - 14 [H O ][OH ] 1 10 3 + log([H O ]), log( ) 3 14, lo k f K c k r K Q c n gas K K RT p c o K H K R T T b b ac ax bx c x a K w pH pX X pH pOH K K K w a b pH pK a = = = = = ± + + = = = = × = − = − + = = = + - [A ] g( ) [HA] 0 0 1 2 0 1 2 2 1 2 0 0 1 , , 2 2 1 [ ] [ ] Zero order: ; [ ] [ ] ; 2 [ ] 0.693 First order: [ ]; ln[ ] ln[ ] ; [ ] 1 1 1 Second order: [ ] ; ; [A] [A] [A] 1 1 ;
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