chem140 exam 3

chem140 exam 3 - Last Name_First Name_Student ID #_...

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Last Name_____________________First Name_______________Student ID #_____________________ Ferrence Exam 3 Practice Chemistry 140 Exam Form – PR As soon as you receive this package, fill out the first line on this page then fill out the scoring sheet as follows: I. Make sure the color of your exam cover matches your OPSCAN II. Fill in your LAST NAME AND FIRST INITIAL III. Fill in your STUDENT ID NUMBER IV. Sign your signature on the BACK of the form DO NOT TURN TO PAGE 2 UNTIL YOU ARE INSTRUCTED TO DO SO!!!!!!! Useful Information: c = 3.00 x 10 8 m/s m e = 9.11 x 10 -28 g m n = 1.675 x 10 -24 g m p = 1.673 x 10 -24 g h = 6.63 x 10 -34 J•s N = 6.02 x 10 23 hcR H = 2.18 x 10 -18 J 1 amu = 1.66 x 10 -24 g 1 J = 1 kg•m 2 /s 2 1 cal = 4.184 J specific heat (H 2 O) = 4.18 J g -1 K -1 R = 0.08206 L atm mol -1 K -1 = 1.978 cal mol -1 K -1 = 8.314 J mol -1 K -1 R = 8.314 m 3 Pa mol -1 K -1 = 62.36 L torr mol -1 K -1 νλ = c E = h ν Δ E = E f - E i w = F x d Δ E = q + w (These cover most of chem140; obviously you won’t need all every exam.) When you are done with the exam , please turn it over and wait until the end of the period. When told to do so, show your student ID to a proctor and turn in the exam. ν = C 1 2 2 n 2 - 1 E n = (- hcR H ) n 2 1 = R H 1 n i 2 n f 2 - 1 1 λ λ = h mv E k = mv 2 2 1 E = k d Q 1 Q 2 specific heat = m x Δ T q q = C Δ T PV = nRT P = V - nb nRT V 2 n 2 a P + V - nb V 2 n 2 a = nRT P = F A M = d RT P μ = Qr
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2 Questions 1-25 (4 points each); select one response for each and record on OPSCAN sheet. 1. The photoelectric effect is ________. a) the ejection of electrons by a metal when struck by light b) the darkening of photographic film when exposed to an electric field c) the production of current by silicon solar cells when exposed to sunlight d) the absorption of electrons by a metal when struck by light
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This note was uploaded on 04/07/2008 for the course CHEM 140 taught by Professor Ferrence during the Spring '08 term at Illinois State.

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chem140 exam 3 - Last Name_First Name_Student ID #_...

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