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    Heat of Neutralisation Reaction Calculations

    Hi guys, I am having trouble with what should really be an easy question. I think I am just missing something because I'm getting half what the answers say it is. It is from the Conquering Chemistry HSC textbook: When 25mL of a solution at 23.2 degrees C containing 5.00 x 10^-3 mol NaOH was...
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    Division of an Interval

    Can someone help me please. A and B have co-ordinates (-1,7) and (5, -2) respectively. P divides the interval AB in the ratio k:1. Write down the co-ordinates in terms of k and hence find AP:PB when P lies on the line 5x - 4y - 1 = 0
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    Help.

    1. The wave property most closely related to wave energy is: a) amplitude b) frequency c) velocity d) wavelength 2. The wave property or properties most affected by a change in the density of the substance through which the wave is passing: a) frequency b) wavelength c) frequency and wavelength...
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    Help?!

    Where do you expect a gap in the graph y=x+1/(x-1)? Would it be x=1????
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    Help? Algebra

    1. Can someone help me solve this equation???? 2. This one too please! I don't want an answer, I want steps to get to the answer.
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    The World Communicates - Questions. Help please!!

    Hey guys, can someone please help me with these questions. I don't want just an answer - I want to know how to go about solving them. 1) The intensity of solar energy from the sun arriving at the earth's surface is approximately 1 400 J m^-2, that is 1 400 joules fall on each square metre of...
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    Ted Hughes "Wodwo"

    Hi everyone, is anyone else studying/have studied "Wodwo". I am trying to write an essay on it and I am having trouble finding techniques to talk about so my essay is more of just a discussion. Help anyone?
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    Production Possibility Frontier Question????

    Hey everyone, can someone help me with this question: Which of the following would cause the production possibility frontier to shift outwards? a) An increase in migration into a country resulting in lower unemployment b) An increase in interest rates There were more options but I have already...
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