Tag Archives: biochemistry math
Law of Mass Action
Effect of Temperature on Gibbs Free Energy Change
ΔH ΔS Low T High T — — —ΔG +ΔG + — +ΔG +ΔG — + —ΔG —ΔG + + +ΔG —ΔG
Relationship between the equilibrium constant and the standard free energy change for a reaction
Keq ln Keq ΔG° (kJ/mol) 10–16 –36.8 +91.3 10–8 –18.4 +45.6 10–4 –9.2 +22.8 10–2 –4.6 +11.4 10–1 –2.3 +5.7 1 0 0 101 +2.3 –5.7 102 +4.6 –11.4 104 +9.2 –22.8 108 +18.4 –45.6 1016 +36.8 –91.3
Math Equations for Biochemistry
Ionization Thermodynamics Enzyme Kinetics
Laws of Thermodynamics: Key Equations
°Standard Conditions: 1 atm, 298 K, [reactants] and [products] = 1 M′Biochemical Standard State: reaction in water (55.5 M) at pH = 1
SI Units and Prefixes Commonly Used in Biochemistry
Physical Quantity SI Unit Symbol Length meter m Mass gram g Molecules mole mol Volume liter L Energy joule J Energy calorie cal Electric potential volt V Time second s Temperature Kelvin K Temperature Celcius C Prefix Symbol Multiplication Factor giga- G 10+9 mega- M 10+6 kilo- k 10+3 deci- d 10–1 centi- c 10–2Continue reading “SI Units and Prefixes Commonly Used in Biochemistry”
Important Physical Constants in Biochemistry
Name Abbreviation Value Avogadro’s number NA 6.02 x 10+23 molecules mole–1 Universal gas constant R 8.314 J mol–1 K–1 Bolzmann’s constant kB 1.38 x 10–23 J K–1 Planck’s constant h 6.63 x 10–34 J s Faraday’s constant F 96,485 J mol–1 V–1 Electron charge e 1.60 x 10–19 J V–1 Conversion Factor Value kJ toContinue reading “Important Physical Constants in Biochemistry”