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cutoff 93.20

i think the exam was okay

Hi If someone has the new success one book 2009 ed. could they please scan the answer for Q30d, success one or any other textbook. Thanks

Hi Could someone post answers for these questions. 1. Compare the conservation techniques applied to two Australian maritime archaeological projects. ---------------------------------------------------------------------------------------------------- 2. Predict the products of the...

Hi, i am finding difficulty in part (b), i solved (a) but would want the answer for (b). 1. (a) Identify and describe the effect that limits the resolution of this and many other ground-based telescopes. (b) Describe the main method that is used on large modern optical telescopes to...

Hi I think its probably magnesium hydroxide.

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1. Compare the conservation techniques applied to two Australian maritime archaeological projects. ---------------------------------------------------------------------------------------------------- 2. Predict the products of the electrolysis of solutions of (i) sodium fluoride and (ii)...

QUESTION Explain why the mass of carbon dioxide formed increases, and then levels off?

1. The gases go into the reactor in a nitrogen:hydrogen volume ratio of 1:3. Explain why this means that the gases go into the reactor in a ratio of one molecule of nitrogen to three molecules of hydrogen. 2. What compromise is reached about the temperature used for the process? Why is this...

for experiment refer to http://web.mst.edu/~gbert/IClock/Clock.html Part1 - How does temperature affect the rate of the reaction? Question1 Question2 Question3 Part2 - How does concentration affect the rate of the reaction? Question4 thanks

The Solution A starch concentration is fixed at 0.006%. (0.006% is 0.00006 g of starch per mL). When 50 mL of Solution A are mixed with 50 mL of Solution B, what will be the initial starch concentration in the mixture? Give your answer as %, and g of starch per mL.

Hi could someone help me on this question.

The 2U and 4U HSC paper is done at the same time. Which means if you do 4U u don't do the 2U paper. It should be clear now.

Hi Could you please post answers for these questions. Your help is really appreciated. Thanks

What was the superconductor question??

Hi I would like some help here. for (I) the equation of the tangent y=px-ap^2 equation of normal y=(-1/p)x + a point N(ap,0) i don't know how to do part (II) thanks

Hi I need help in answering this question. Thanks

Cathode: H2O + e- --> 1/2H2 + OH- Anode: H2O -> 1/2O2 + 2H+ + 2e- 2Cl- -> Cl2 + 2e- Products being formed are Hydrogen gas at the cathode(-) and Oxygen and Chlorine gas at the anode(+)