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    Molality

    Can anyone by any chance help me with this; Commercial 0.100M nitric acid is labelled as having a density of 1.005 g/mL. Take molar mass of nitric acid = 61 g/mol. The molality of the solution is: a) 0.102 m b) 0.101 m c) 0.100 m d) 0.0950 m e) 0.103 m :confused:
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    Molality

    Commercial 0.100M nitric acid is labelled as having a density of 1.005 g/mL. Take molar mass of nitric acid = 61 g/mol. The molality of the solution is: a) 0.102 m b) 0.101 m c) 0.100 m d) 0.0950 m e) 0.103 m :confused:
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    condensation & dehydration

    Could someone please explain the difference between a condensation and a dehydration reaction ... thanks..:)
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    dumb question

    Hey, can anyone give me an eg/ of complete + incomplete combustion thankyou
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    cellulose

    Okiez, REALLY REALLY dumb issue, but it's just not working for me atm:rofl: . Could someone plz explain, using diagrams, the condensation polymerisation of cellulose. Thanking you in advance:) .
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    Combustion of petroleum

    Does anyone have any, like ANY info on the combustion of petroleum? All i know is that it is the burning in air, and that's obvious. :burn:
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    Kebachi case study

    Hey, would anyone happen to have a copy of the Kebachi case study??
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    Natural Rubber - Non-Renewable?

    Hey, would any one happen to know if natural rubber is a non-renewable resource? I was under the impression that it was, as the main place that natural rubber is obtained from is some tree... therefore if there were no more trees, there would be no more rubber. However, a few sites seem to...
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    synthetic rubber

    Does anyone have any idea what acetylene has to do with synthetic rubber? I think it's just used in the processes of making it.. but can't find info that's clear. Thanx :)
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    Assessment

    I have an assessment and what I have to do is.......................... " Discuss the issues associated with shrinking world resources with regard to a natural product that is not a fossil fuel." A few people have come up with things like dyes, diamonds etc/ But I wanted to do something a lil...
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    help...O and O3

    Okiez...seriously need help with this as it will be in a topic test..... Compare the stability of O gas to that of O3, and the relationship of that (stability) with their bonds. I have no idea :confused: all I know is O3 is more stable in water.....
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    need help with a couple of q's

    12.Alternative chemicals introduced include chlorohydroflurocarbons and more recently hydroflurocarbons. a) outline a reason why these are considered more desirable than previously used CFCs. b) Unfortunately, most of the gases used to replace CFCs are a prob for a different reason. Identify...
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    Haloalkanes

    okiez, I guess this may seem pretty simple, but just started on these thingo's and my teacher was away......and we got a sub not trained in chem :mad1: . 2. Haloalkanes have higher densities and higher melting and boiling points than their corresponding alkanes. Explain. I'm guessing that it...
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    zinc monitoring

    okiez, I have to do a thingy about the effects of zinc on the environment and people and why we have to monitor it , and all I can find is stuff about how zinc is so good and it helps you grow normally and stuff, which is rather fustrating :mad1: . Just wondering if anyone knows where I can find...
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    question...

    ok, the question is this; Gemma bought some So White brand washing powder and noticed on the packet that it claimed to contain a maximum of 6.5g of P per wash. The recommended amount per wash is 3/4 cup, which weighs 100g. She decided to test the manufacturer's claim. On investigation, she found...
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    lead and mercury monitoring

    okiez, I have to answer this " Gather, process and present information to describe and explain evidence for the need to monitor levels of one of the above ions in substances used in society" in relation to lead and mercury, everyone in my class has different elements and it's getting...
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    Affects on UAI

    Okiez, I'm not quite sure if this is the right place to post this lolz, but hopefully someone can help me anyway. I am hoping to get a UAI of 84 to get in to bachelor of science - psychology, I am currently doing 2 unit maths,standard english,chemistry,legal studies,business studies and...
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    Help Needed Urgently - Locus

    what the hell IS a locus? is it just a point? half yrly tomorrow so any help would be very much appreciated :bomb:
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    Wilfred Owen speech

    I have a assessment speech on monday on Wilfred Owen, the question is; "composers have the power to engage the interest of their readers. How does your composer achieve this?" I have chosen to do Futility and Anthem for Doomed Youth, would i basically just have to do the what and how stuff...
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    Human rights and state sovereignty

    okiez i need to know an example of a human rights abuse and how state sovereignty has helped/hindered the situation. i have done an example of it but only got 3 1/2 out of 5, my eg was on Israel and trafficking of women basically i just outlined the issue and said that state sovereignty wasn't...
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