CHEM105F17_E2.pdf - CHEM 105 E2 Constants and equations Speed of light c = 2.997x108ms-1 1 J = 1 kgm2s-2 mass of e me=9.11x10-31 kg = 2 2 DeBroglie

CHEM105F17_E2.pdf - CHEM 105 E2 Constants and equations...

This preview shows page 1 - 3 out of 6 pages.

CHEM 105 E2 F17 Constants and equations: Speed of light: c = 2.997x108ms-1Plankโ€™s constant: h=6.626x10-34Jโˆ™s1 J = 1 kgโˆ™m2โˆ™s-2charge of an e-: e = 1.602x10-19C mass of e-: me=9.11x10-31kg mass of p+: mp=1.67x10-27kg ๐ธ = โ„Ž โˆ™ ๐œˆAvogadroโ€™s constant: NA= 6.022x1023mol-1DeBroglie Relation: ๐œ† =โ„Ž?โˆ™v=โ„Ž?๐ธ = โˆ’2.18 ร— 10โˆ’18? โˆ™ (?2?2)โˆ†๐ธ = โˆ’2.18 ร— 10โˆ’18? โˆ™ (?2?๐‘“2โˆ’?2?๐‘–2)c = ๏ฌโˆ™ ๏ฎPV=nRT ๐‘ข???= โˆš3๐‘…๐‘‡?๐ธ????๐‘–?? ๐‘…??? ๐บ?? 1๐ธ????๐‘–?? ๐‘…??? ๐บ?? 2= โˆš??2โˆš??1(? + ? (?๐‘‰)2) (๐‘‰ โˆ’ ??) = ?๐‘…๐‘‡๐‘… = 0.08206?โˆ™??????โˆ™?= 8.31451????โˆ™??๐ธ =12?u2=32๐‘…๐‘‡?๐ป = ???+ ??๐‘” (๐ดโˆ’๐ป๐ด) ??๐ป = ???+ ??๐‘” (๐ป๐ด๐ดโˆ’) Colligative properties: ฮ =iCRT T=iKfpm ฮ”T=iKbpm PA=PAoXAHenryโ€™s Law: C=kPArrhenius 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: ฮ”Etotal= ฮ”Esys+ ฮ”Esur=0 2ndLaw of Thermodynamics: ๏„Stotal = ๏„Ssys+๏„Ssur โ‰ฅ 0and ๏„Ssur = ๏„Esur/Tand ๏„Swt = 0 3rdLaw of Thermodynamics: Sยบ0K= 0 for pure, crystalline substances ๏„G=๏„H-T๏„S ๏„rG = ๏„rGยฐ + RTlnQ Nernst Equation:E=Eo-(0.0592V mol e-/n)logQ ๏„G=-nFE ๏„rGยฐ=-RTlnK F = 96,500 C/mol e-
Background image
CHEM 105 E2 F17 Name Please write a capital letter of the best response for each question (1-7) on the provided lines. 1. You have equal masses of different solutes dissolved in equal volumes of solution. Which of the solutes would make the solution having the highest molar concentration? a) NaOH (MM: 40.0 g mol-1) b) KCl (MM: 74.6 g mol-1) c) KOH (MM: 56.1 g mol-1) d) LiOH (MM: 23.95 g mol-1) e) all the same
Background image
Image of page 3

You've reached the end of your free preview.

Want to read all 6 pages?

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture