can you please do parts a b c and d with working out. need it in the next 40 minutes thank you
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1-Calculate the molecular weight of the repeat unit (monomer) for polystyrene (above) (2 marks) 2-Using the table below, calculate the degree of polymerisation for polystyrene Molecular weight range (g/mol) Number fraction,xi 500-1000 0.02 1000-3000 0.13 3000-5000 0.25 5000-10000 0.41 10000-25000 0.15 25000-50000 0.04 3-Which crystal type would be expected for Nickel Oxide (NiO, Ni2+ ionic radius = 0.069nm, O2- ionic radius = 0.14nm) (2 marks) 4-In order to save weight, a composite component is to be made of aligned fibreglass...
Question 4 (Total 18 marks). =CH H с -C- H H n (a) Calculate the molecular weight of the repeat unit (monomer) for polystyrene (above) (2 marks). .1 (b) Using the table below, calculate the degree of polymerisation for polystyrene (5 marks). Molecular weight Number fraction range (g/mol). 500-1000 0.02. 2 1000-3000. 0.13. 3000-5000. 0.25 5000-10000 0.41 10000-25000. 0.15 25000-50000 0.04. 1 (c) Which crystal type would be expected for Nickel Oxide (NiQ, Ni2+ ionic radius = 0.069nm, 02-ionic radius...
PLEASE READ THIS BEFORE YOU START SOLVING: I need an explanation for Part d only. The correct answer is 4.02 m, but I don't know how to get it, thanks! No need to do parts a, b and c!! THANK YOUUUUU Free Surface A curved surface as shown in the diagram above) defined as a quarter circle with radius of length r = 18 m is submerged in a liquid with the flat edge at a distance h - 10...