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Solution_to_Midterm_II_Spring_2006

# Solution_to_Midterm_II_Spring_2006 - University of Southern...

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University of Southern California MASC 110L Midterm I E. Goo March 31, 2006 Answer all questions. All questions are of equal value. 1. Iron has a body-centered cubic structure with a density of 7.86 g/cm 3 . a) What is the lattice parameter for the cubic unit cell of iron? b) What is the atomic radius of iron

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2. Iron pellets with total mass 17.0 grams at a temperature of 92.0 o C are mixed in an insulated container with 17.0 grams of water at a temperature of 20 o C. The specific heat capacity of water is ten times greater than that of iron. What is the final temperature inside the container?
3. The standard enthalpy change of combustion[to CO 2(g) and H 2 O (l) ] at 25 o C of the organic liquid cyclohexene, C 6 H 10(l) , is -3731.7 kJ/mole. Determine the ∆H o f of C 6 H 10(l) .

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2 Ag(s) + Cl 2 (g) - 2 Ag + (aq) + 2 Cl - (aq) If the partial pressure of Cl 2 (g) is 1.00 atm, the initial concentration of Ag + (aq) is 0.25 M,
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Solution_to_Midterm_II_Spring_2006 - University of Southern...

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