Korter_Exam_2_2007

Korter_Exam_2_2007 - 1. Which of the following salts is...

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1. Which of the following salts is (are) soluble in aqueous solution? 1. lead(II) nitrate 2. lead(II) sulfide 3. lead(II) carbonate [A] 1, 2, and 3 [B] 2 only [C] 1 and 2 only [D] 3 only [E] 1 only 2. Consider the following specific heats of metals. Metal Specific Heat copper 0.385 J magnesium 1.02 J mercury 0.138 J silver 0.237 J lead 0.129 J (g C) •° If the same amount of heat is added to 25.0 g of each of the metals, which are all at the same temperature, which metal will have the highest temperature? [A] lead [B] magnesium [C] silver [D] mercury [E] copper 3. Which one of the orbital occupancy designations shown below does NOT make sense? [A] 2p 6 [B] 3d 10 [C] 4f 7 [D] 4p 7 [E] 2s 1
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4. Using the following data, determine the heat of reaction for the combustion of 1 mol of ethylene, C 2 H 4 . C 2 H 4 ( g ) + 3O 2 ( g ) ⎯→ 2CO 2 ( g ) + 2H 2 O( l ) Compound H (kJ / mol) C H ( ) +52.3 CO ( ) 393.5 H O( ) 285.9 f 24 2 2 ° g g l [A] +731.4 kJ [B] +1411.1 kJ [C] –1411.1 kJ [D] –1306.5 kJ [E] +1306.5 kJ 5. All the following reactions are described as decomposition reactions EXCEPT [A] Fe(CO) 5 ( l ) Fe( s ) + 5CO( g ) [B] H 2 SO 3 ( aq ) SO 2 ( g ) + H 2 O( l ) [C] CuSO 4 ( l ) • 5H 2 O( s ) CuSO 4 ( s ) + 5H 2 O( g ) [D] NO 2 ( g ) + H 2 O( l ) NO( g ) + 2HNO 3 ( aq ) [E] 2PbO 2 ( s ) 2PbO( s ) + O 2 ( g ) 6. Which of the following statements is (are) TRUE ? 1. The product of wavelength and frequency of light is a constant. 2. As the energy increases, the frequency of the radiation decreases. 3. As the wavelength of light increases, the frequency increases.
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This note was uploaded on 02/09/2010 for the course CHE CHE 106 taught by Professor Korter during the Fall '09 term at Syracuse.

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Korter_Exam_2_2007 - 1. Which of the following salts is...

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