Samenvatting Enzymes A Practical Introduction to Structure, Mechanism, and Data Analysis

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ISBN-10 0471461857 ISBN-13 9780471461852
123 Flashcards en notities
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Dit is de samenvatting van het boek "Enzymes A Practical Introduction to Structure, Mechanism, and Data Analysis". De auteur(s) van het boek is/zijn Robert A Copeland. Het ISBN van dit boek is 9780471461852 of 0471461857. Deze samenvatting is geschreven door studenten die effectief studeren met de studietool van Study Smart With Chris.

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Samenvatting - Enzymes A Practical Introduction to Structure, Mechanism, and Data Analysis

  • 2.1.1 Atomic orbitals

  • What is the 1st quantum number?
    Energy level
    n
    In first, second, third enz shell
  • What is the 2nd quantum number?
    Shape
    l
    0,1,2
  • What is the 3rd quantum number?
    Orientation
    m
  • What is the 4th quantum number?
    spinning 
    s

    clockwise +0,5
    counter clockwise -0,5
  • 2.1.2 Molecular orbitals

  • What are molecular orbitals?
    bonding and anti bonding orbitals
  • Which orbital has higher potential energy?
    antibonding orbitals
  • 2.1.3 Hybrid oribitals

  • What are hybrid orbitals?
    Mix of S and P orbitals
  • How looks a S orbital?
    Round
  • How looks a P orbital?
    like a 8
  • What kind of bond is the first bond?
    ơ orbital
  • What kind of bond is the second, third and forth?
    π bond made of left over p orbital
  • 2.2 Thermodynamics of Chemical Reactions

  • What is the formula for change in free energy?
    ΔG = ΔH – TΔS
    ΔG = Free energy
    ΔH = Change in Enthalpy (heat)
    T = Temperature

    ΔS = Change in Entropy
  • When do you have a endothermic or exothermic reaction?
    ΔG<0 spontaneous process
    ΔG>0 non spontaneous
  • What is the free energy for the reaction A+B-->C+D?
    Zie afbeelding
  • 2.2.1 The Transition State of Chemical Reactions

  • Does the path that is taken the change in free energy?
    No it does not
  • What happens to the free energy in a reaction?
    see picture
  • What is the transition state?
    State inbetween with high free energy, so unstable.
  • What is the formula with the activation energy in it?
    k = velocity constant
    kB= Boltzman constant (1,38 * 10-23) JK-1
    h = Plank constant (M2Kg/s)
    Ea = activation energy (J)
    R = gas constant = 8,51
    T = Temperature (J K-1 mol-1)


    v=Kb*T/h
    v = vibrational frequency
  • What is the intermediate state?
    A state in-between which is more stable then the transition state. Does not occur in every reaction.
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Voorbeelden van vragen in deze samenvatting

What is the 4th quantum number?
1
What is the 3rd quantum number?
1
What is the 1st quantum number?
1
What are molecular orbitals?
1
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