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Hi my name's Desmond. I Graduated from Sydney Boys High School 2009. I am currently a first year student in commerce/law at UNSW. I am happy to tutor in the Hurstville area for Economics, Chemistry and up to 3unit maths. Economics HSC:93 Chemistry HSC:93 2unit maths 2008 HSC: 98 3unit maths...

Probably wont be 78. But if its liek phys and chem usually band 6 should be around mid low 80s so probably 83-86 range id think. If u get 90+ ur probably looking at a mid band 6, cos they mark the essays pretty harshly. I dont think many peopel will be getting 18+ for both essays.

1:C 2:C 3: D 4:C 5:A 6: D 7:B 8:A 9:C 10:B 11:B --> need appropriate pH conditions before flocculation and coagulation occurs is that right? 12:A 13:B 14:B 15:A

Lol hi 5 minijumbuk, I did it your way. I reckon i did alright 115-119? Hopefully not more than 5 marks in silly errors.