F18105_E1.pdf - CHEM 105 E1 F18 Name Constants and equations Speed of light c = 2.997x108ms-1 1 J = 1 kg\u2219m2\u2219s-2 mass of e me=9.11x10-31 kg = =

# F18105_E1.pdf - CHEM 105 E1 F18 Name Constants and...

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CHEM 105 E1 F18 Name Constants and equations: Speed of light: c = 2.997x108ms-1Plank’s constant: h=6.626x10-34J∙s 1 J = 1 kg∙m2∙s-2charge of an e-: e = 1.602x10-19C mass of e-: me=9.11x10-31kg mass of p+: mp=1.67x10-27kg ܧ=݄ ή ߥAvogadro’s constant: NA= 6.022x1023mol-1DeBroglie Relation: ߣ=௠ήv=ܧ=2.18 × 10ିଵ଼ܬ ή ቀοܧ=2.18 × 10ିଵ଼ܬ ή ൬c = OQPV=nRT ݑ௥௠௦=ଷோ்ா௙௙௨௦௜௢௡ோ௔௧௘ீ௔௦ா௙௙௨௦௜௢௡ோ௔௧௘ீ௔௦= ඥெெඥெெ൬ܲ+ܽ ቀ(ܸ െ ܾ݊) =ܴܴ݊ܶ= 0.08206௅ή௔௧௠௠௢௟ή௄= 8.31451௠௢௟ή௄ܭܧ=݉u=ܴܶ݌ܪ=݌ܭ+݈݋݃ ൬ܣିܪܣ݌ܱܪ=݌ܭ+݈݋݃ ൬ܪܣܣିColligative properties: Ʌ=iCRT T=iKfpm ȴT=iKbpm PA=PAoXAHenry’s Law: C=kP Arrhenius equation: k=Ae-Ea/RTand A=pz 1storder rate law: ln[A] = -kt +ln[A]02ndorder rate law: 1/[A]= kt + 1/[A]01stLaw of Thermodynamics: ȴ±totalс ȴ±sysн ȴ±sur=0 2ndLaw of Thermodynamics: 'Stotal = 'Ssys+'Ssur ш Ϭand 'Ssur = 'Esur/Tand 'Swt = 0 3rdLaw of Thermodynamics: 0K= 0 for pure, crystalline substances 'G='H-T'S 'rG = 'rG° + RTlnQ Nernst Equation:E=Eo-(0.0592V mol e-/n)logQ 'G=-nFE 'rG°=-RTlnK F = 96,500 C/mol e-Score
CHEM 105 E1 F18 Network ID Name Please write a capital letter of the best response for each question (1-7) in each box. For questions 8-11, place any final answers in boxes provided and be sure to use appropriate units and significant figures. 1 2 3 4 5 6 7 1. As part of the calibration of a new laboratory balance, a 1.000-g mass is weighed with the following results: Trial Mass (g) 1 1.201 ± 0.001 2 1.202 ± 0.001 3 1.200 ± 0.001 The balance is: A) Both accurate and precise. B) Accurate but imprecise. C) Precise but inaccurate. D) Both inaccurate and imprecise. E) Accuracy and precision are impossible to determine with the available information.

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• Fall '08
• Kenney