key3(3) - CHEM 1211 Test III Multiple Choice (3 points...

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CHEM 1211 Test III Multiple Choice (3 points each) 1. A chemical reaction in a bomb calorimeter evolves 5.17 kJ of heat. If the heat capacity of the calorimeter is 1.08 kJ/ ° C, what is the temperature change of the calorimeter? a. 0.209 ° C b. 4.09 ° C c. 4.79 ° C d. 5.58 ° C e. 6.25 ° C 2. Which of the following chemical equations does not correspond to a standard molar enthalpy of formation? a. Ca(s) + C(s) + 3/2 O 2 (g) CaCO 3 (s) b. C(s) + 1/2 O 2 (g) CO(g) c. H 2 (g) + 1/2 O 2 (g) H 2 O( λ ) d. N 2 (g) + 2 O 2 (g) N 2 O 4 (g) e. SO 2 (g) + 1/2 O 2 (g) SO 3 (g) 3. Which of the following statements is INCORRECT? a. The location and the energy of an electron in an atom can be simultaneously known with little or no uncertainty. b. The energies of an atom's electrons are quantized. c. Quantum numbers define the energy states and the orbitals available to an electron. d. The behavior of an atom's electrons can be described by standing waves. e. Electrons have both wave and particle properties. 4. What type of orbital is designated n = 2, l = 0, m l = 0? a. 2s b. 2 p c. 2 d d. 2 f e. none 5. Which of the following sets of quantum numbers refers to a 4 p orbital? a. n = 1, l = 1, m l = -1 b. n = 1, l = 2, m l = -1 c. n = 4, l = 1, m l = 0 d. n = 4, l = 2, m l = -1 e. n = 4, l = 3, m l = +2 6. All of the following sets of quantum numbers are allowed EXCEPT a. n = 5, l = 3, m l = +2 b. n = 3, l = 2, m l = -1 c. n = 3, l = 0, m l = 0 d. n = 4, l = 4, m l = -2 e. n = 5, l = 3, m l = +3
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7. Which of the following properties is associated with the value of the m l quantum number? a.
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This note was uploaded on 11/16/2011 for the course CHEM 1211k taught by Professor Wood during the Fall '07 term at Valdosta State University .

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key3(3) - CHEM 1211 Test III Multiple Choice (3 points...

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