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Ethylene and Polymers
Ethanol
Electrochemistry
Nuclear Chemistry
CHALLENGE
100
This is the process of converting larger petrochemical molecules into smaller ones
What is chemical cracking?
100
This compound is categorized as an alkanol
Ethanol Answers could include: Methanol/propanol/butanol/pentanol/hexanol ect.
100
What is more likely to be reduced? Ag/Ag+ or Zn/Zn2+
Ag/Ag+ (remember reduction is gain of electrons not oxidation)
100
This is the type of decay that results in the emission of electron/s
What is beta decay
100
The most abundant monomer of biomass
Glucose
200
This is the monomer of PVC, a common polymer used in water pipes
What is Vinyl Chloride/1 Chloroethene
200
This is the main type of bonding that alkanols have that result in their higher boiling and melting points
What is hydrogen bonding
200
What is the stronger oxidising agent Fe(II) or Ag(I)
Ag(I)
200
A type of high intensity electromagnetic radiation emission that does not consist of mass
What is gamma radiation
200
14/6 C-> N 14/7 + ____ This type of radioactive decay occurs in the presence of an electric field, which deflection (if any) would the radiation occur? (positive/negative plate or no deflection)
Towards Positive Plate This type of decay is beta decay that occurs with the emission of an electron. As electrons are negatively charged it is deflected towards the positive plate (opposite charges attract)
300
These are three properties that may affect a polymers strength, flexibility, elasticity
Answers may include 3 of: length of chain/arrangement of chain/branching/cross linking/additives
300
Provide one advantage and one disadvantage of using ethanol as a fuel source
Advantage: it is a renewable resource (can be made from biomass) Disadvantage: It has a lower heat of combustion per mol compared to octane (main molecule of petroleum)
300
The calculated voltage of a standard galvanic cell that involves these two reactions: Fe/Fe2+ Cu/Cu2+
0.78V -------------------------------------------------------------------- Iron is more likely to be oxidised therefore the equation is: Fe(s) -> Fe2+(aq) + 2e- and the E potential = 0.44V (remember as the equation is opposite to the sheet it becomes positive) Copper is therefore reduced as: Cu2+(aq) + 2e -> Cu(s) and the E potential =0.34V 0.34+0.44=0.78V
300
The main determination of predicting a compounds level of radioactivity, this ratio may be plotted on a graph
What is the neutron to proton ratio show
300
This is the formula for complete combustion of ethanol
C2H5OH(l) + 3O2(g) ->2CO2(g) + 3H2O9(g)
400
If a sample of PVC contains 15,000 monomer units what is the molar mass of this chain
15,000 monomers amounts to approximately 937,410g or 937kg of molar mass
400
Draw 1,3-butanediol
check diagram with condensed formula of: CH2OH-CH2-CHOH-CH3
400
A galvanic cell is an example of this type of cell
What is an electrochemical cell
400
Two different processes of transmutation to create transuranic elements
What is neutron and charged particle bombardment
400
A galvanic cell is created between iron(II) and Copper(II) and another galvanic cell is created between Zinc(II) and Lead(II) which cell under standard conditions would produce the greatest voltage?
the iron(II) and copper(II) galvanic cell produces the most potential difference of 0.78V The second cell produces 0.63V
500
Name a recent biopolymer that has been developed including organism or enzymes used to synthesise this biopolymer, as well as the uses of it
You should know... E.g. Polylactic Acid (PLA) synthesised with Bacto Bacillus
500
This is the balanced chemical formula for the most common production method of ethanol
C6H12O6(aq) -> 2CH3CH2OH(aq) + 2CO2(g) -or- C6H12O6(aq) ->C2H6O(aq) + 2CO2
500
Which way does the electrons flow between the electrodes (anode to cathode/ cathode to anode)
They flow from the anode to the cathode
500
38/19 K -> Ar 38/18 + _____ and name the type of radioactive decay
An example of positron emission with the formula: 0 e -1 it contains a positive charge with the mass of an electron
500
These are two common technologies that is used to detect radiation
What is a Geiger/scintillation counter/photographic film