chm1045testfinalAxsoln

chm1045testfinalAxsoln - FORMULA SHEET (TEAR OFF) NA =...

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FORMULA SHEET (TEAR OFF) N A = 6.022 x 10 23 ° C = ( 5 / 9 ) ( ° F – 32) ° F = ( 9 / 5 )( ° C) + 32 M i V i = M f V f 1 amu = 1.661 x 10 -27 kg ° C = K - 273.15 K = ° C + 273.15 h = 6.626 x 10 -34 J . s E photon = h ν = hc/ λ c = νλ ( x)(m v) (h/4 π ) c = 2.998 x 10 8 m/s (1/ λ ) = R H [ (1/m 2 ) - (1/n 2 ) ] λ = h/mv R H = 1.097 x 10 -2 nm -1 U 2245 - (k z + z - )/d 1 atm = 760 torr E = q + w H = E + pV G = H - TS 1 atm = 1.013 bar G = H - T S, if T is held constant 1 J = 1 kg . m 2 /s 2 R = 0.08206 L . atm/mol . K 1 L . atm = 101.3 J S ° surr = - H ° rxn /T for a chemical reaction R = 8.314 J/mol . K v ave = (3RT/M) 1/2 pV = nRT p i = X i p total p = nRT/(V- nb) - an 2 /V 2 ln(p) = - ( H ° /R) + C ln(p 2 /p 1 ) = - ( H ° vap /R) [(1/T 2 ) - (1/T 1 )] p A = p A ° X A [B] = K B p B p = pA ° X B T b = K b m B T f = K f m B Π = [B]RT
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GENERAL CHEMISTRY 1 FINAL EXAM APRIL 23, 2007 Name ________________________________________________ Panthersoft ID ________________________________________________ Signature ________________________________________________ Part 1 ________________ (60 points) Part 2 ________________ (80 points) Part 3 ________________ (60 points) TOTAL________________ (200 points) Part 1. Multiple choice. Circle the letter corresponding to the correct answer. There is one and only one correct answer per problem. [4 points each] 1) The number 0.05730 contains a) 3 significant figures 2
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b) 4 significant figures B c) 5 significant figures d) 6 significant figures e) an undetermined number of significant figures 2) Which of the following is expected to be an ionic compound? a) HCl b) KCl E c) NiCl 2 d) both a and b e) both b and c 3) For which of the following substances does phosphorus (P) have the highest value for oxidation number? a) H 3 PO 4 b) Na 3 P A c) P d) P 4 e) PCl 3 4) Which of the following is a possible empirical formula? a) CHO b) C 2 H 6 O D c) C 2 H 6 O 2 d) both a and b e) both a and b and c 5) An electron has the following four quantum numbers: n = 3, = 2, m = 1, m s = - 1 / 2 . The electron is in a) an s orbital b) a p orbital C c) a d orbital d) an f orbital e) cannot tell from the information given 6) How many valence electrons are there in one germanium (Ge) atom? a) 2 b) 4 B c) 8 d) 14 e) 32 7) Consider the following three atoms: C, O, and Si. Out of these three atoms a) C is largest and O is smallest b) O is largest and C is smallest E c) O is largest and Si is smallest d) Si is largest and C is smallest e) Si is largest and O is smallest 8) The reaction corresponding to electron affinity for carbon (C) is
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chm1045testfinalAxsoln - FORMULA SHEET (TEAR OFF) NA =...

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