ChE102-A1

ChE102-A1 - c 1500 days 38 7.87 g ·cm –3 42 48 °C...

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ChE102 – Chemistry for Engineers Fall 2008 Assignment 1 Due: Week Beginning September 15 th , 2008 1. From Petrucci et al., 9 th Edition, 2007 Chapter 1, questions: 36, 38, 42, 69, and 78. Chapter 2, questions: 8, 56, 80, and 77. Chapter 3, questions: 14, 26, 34, and 40. 2. Showing your work, convert the gas constant, R , into units of ft·lb f /lb mol ·°R. Data: R = 8.31451 J/mol·°C. Assignments are due weekly, at the beginning of your tutorial. There is no ChE102 tutorial in the first week of class. Numerical answers to problems 1. Chapter 1 36. a) 6.7 × 10 2 mg, b) 9.5 mg aspirin/kg body mass,
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Unformatted text preview: c) 1500 days. 38. 7.87 g ·cm –3 . 42. 48 °C; –8.3 °C. 69. 0.9 L. 78. 0.7914 g·mL –1 . Chapter 2 8. 27.3 wt.-% C in all samples. 56. 2.6 × 10 24 atoms. 80. 186.98 g. 77. 4.38 × 10 22 atoms. Chapter 3 14. a) 3 × 10 22 Fe atoms, b) 2.70 × 10 23 P atoms.14.a) 0.112 mol P4; b) 2.70 x 10^23 P atoms 26. a) 49.765 wt.-% Zr, b) 5.03004 wt.-% Be, c) 33.659 wt.-% Fe, d) 6.6635 wt.-% S. 34. a) C 5 H 3 , b) C 13 H 6 Cl 6 O 2 . 40. 32.06 g·mol –1 (sulfur). 2. R = 1 545.36 ft·lb f /lb mol ·°R...
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This note was uploaded on 09/17/2011 for the course CHE 102 taught by Professor Simon during the Spring '08 term at Waterloo.

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