What are the units of rate?
What are the units of k for a reaction of overall order 0
What are the units of k for a reaction of overall order 1
What are the units of k for a reaction of overall order 2
What are the units of k for a reaction of overall order 3
Define half life
What is the rate determining step?
Define activation energy
What are the 3 stages that occur in catalytic converters?
What occurs in the reduction stage of catalytic converters?
What occurs in the oxidation stage of catalytic converters?
What occurs in the control system stage of catalytic converters?
List the 5 ways you can measure rates of reactions
What are the 2 main factors involved in fermentation for production of beer?
What is the rate equation for the reaction between propanone and iodine?
Radioactive decay is a ____ order reaction.
Describe the sequence of events occurring on a hetrogenous catalyst.
What is the gas constant value and units?
How many molecules are involved in the RDS of an SN2 reaction?
How many molecules are involved in the RDS of an SN1 reaction?
Which types of halogenoalkanes do SN2 and which do SN1?
Why can tertiary halogenoalkanes perform SN1 whereas primary do SN2?
In which mechanism is a 5 bonded transition state formed?
Is a carbocation formed in SN1 or SN2?
Describe entropy
What are the units of entropy?
What has 0 entropy?
Describe a perfect crystal
If you increase the temperature of a substance why does its entropy increase even if it doesn't change state?
In which direction does entropy go?
Is the entropy of a gas higher or lower than that of its corresponding solid?
Total S = ...
What happens to Kc as S total increases?
And why?
S of system is...
S of surroundings is...
When is a reaction spontaneous if:
ΔS syst +ve
ΔH +ve
When is a reaction spontaneous if:
ΔS syst +ve
ΔH -ve
When is a reaction spontaneous if:
ΔS syst -ve
ΔH +ve
When is a reaction spontaneous if:
ΔS syst -ve
ΔH -ve
What are the 2 formulas for ΔG?
Define: ΔH hydration
Define: ΔH solution
Define LE
As ionic radii increases, LE...
ΔH hydration = ...
ΔH solution = ...
How can you tell if a compound will dissolve in water?
Under what conditions may a solid dissolve if ΔH hyd < ΔH LE?
Dynamic equilibria can only occur in a ________ container.
At equilibrium do the concs of reactants and products have to be the same?
What is the contact process reaction?
State the Harber process reaction
How do you determine the equilibrium constant?
Does increasing total pressure alter Kp?
Does increasing temperature affect either of Kc or Kp?
How do you find Kc for the reverse of the reaction you calculated it for?
Partial pressure formula
pP tot = ...
When a system is in dynamic equilibrium ΔS tot = ...
if Kc/Kp is almost 1...
If Kc/Kp is greater than \(10^{10}\)...
If Kc/Kp is less than \(10^{-10}\)...
If temperature increases how does this affect ΔS system?
How is ΔS tot affected is temperature in decreased in an exo reaction?
How is ΔS tot affected is temperature in decreased in an endo reaction?
How can atom economy be improved?
Why is it important to control reactions?
What is the oxonium ion?
Kw = ...
Ka = ...
pKa=pH when...
For a strong acid a ___fold dilution increases pH by 1
Dilution causes proportion of dissociated weak acid to...
What is the realtionship between Ka, Kb and Kw?
What are indicators?
In the middle of an indicator's colour change what conc = what? and what does this mean?
Strong base / weak acid indicator
Strong acid / weak base indicator
Indicator for strong base / strong acid
Define buffer
In a buffer eq. conc of A- =
In a buffer solution eq. conc of acid =
and why?
At Veq/2...
Dimensions of vertical region on a titration curve
Do high protein foods have high or low buffer capacities and why?
Describe stereoisomerism
What are the 2 forms of optical isomers called?
What type of light do optical isomers rotate?
EM radiation is a _____ wave
Describe monochromatic light
Solubility of Als and ketones?
Patterns?
What happens when molecules absorb IR rad?
Only what molecules can absorb IR rad?
Describe how microwaves heat food
Only _____ molecules can be heated by a microwave.
What does each peak represent in a low res nmr spectra?
Why does splitting occur in nmr?
What are the units of chemical shift?
What can you use IR for?
What is the furthest right peak in a mass spec called?
Gas-liq chromatography stationary and mobile phase
HPLC - P stands for:
HPLC mobile and stationary phase
Define: retention time