chm1045test02soln

chm1045test02soln - GENERAL CHEMISTRY 1 SECOND HOUR EXAM...

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GENERAL CHEMISTRY 1 SECOND HOUR EXAM MARCH 2, 2007 Name ________________________________________________ Panthersoft ID ________________________________________________ Signature ________________________________________________ Part 1 ________________ (28 points) Part 2 ________________ (56 points) Part 3 ________________ (16 points) TOTAL________________ (100 points) 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 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]
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1) Which of the following substances is a weak electrolyte? a) HBr (hydrobromic acid) b) HClO 2 (chlorous acid) B c) HClO 3 (chloric acid) d) both b and c e) both a and b and c 2) Which of the following substances is insoluble in water? a) FeCl 3 b) CaCl 2 C c) AgCl d) both a and b e) both a and c 3) The photoelectric effect demonstrates which of the following? a) That light can act like a particle b) That light can act like a wave A c) That electrons can act like particles d) That electrons can act like waves e) All of the above
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This test prep was uploaded on 04/17/2008 for the course CHM 1045 taught by Professor Jeffreyjoens during the Spring '08 term at FIU.

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chm1045test02soln - GENERAL CHEMISTRY 1 SECOND HOUR EXAM...

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