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ATB_roo

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ATB_roo

Acidified potassium dichromate

When acidified potassium dichromate is used in organic chemistry to oxidise alcohols, nearly all the text books state the colour change is 'from organge to green'. But when I do the experiments in the...
19:31 Wed 11th Mar 20093 answers, last by heathfield 10:11 Thu 12th Mar 2009
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ATB_roo

Restaurant Tips

I work at a pub/restaurant on a Friday night (I'm 17 years old) and I earn ?4 an hour. Usually I would get ?3-5 tips per night, provided I work 6 to 11 o'clock-ish. As of last night the manager has...
14:25 Sat 03rd May 20086 answers, last by Whickerman 11:03 Tue 06th May 2008
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ATB_roo

Maths question - solve (x-2)(x^2+3x+1)=0

How can I solve (x-2)(x^2+3x+1)=0 From the question: a) Show that (x-2) is a factor of f(x)=x^3 + x^2 -5x -2. b) Hence find the exact solutions of the equation f(x) = 0 I've managed to get to the last...
14:49 Sun 25th Nov 20074 answers, last by ATB_roo 19:18 Mon 26th Nov 2007
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ATB_roo

Percentage by Mass chemistry

How do I find the percentage by mass ethanoic acid (CH3COOH) in the vinegar solution I have been given. Through titration I have found that the concentration of the vinegar is 8.45moldm-3, 0.21125...
22:00 Mon 15th Oct 20072 answers, last by ATB_roo 15:38 Tue 16th Oct 2007
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ATB_roo

South East Asia Floods 2007

What were the responses (physical, social, and economical) to the South East Asia flooding in 2007?
20:15 Sun 09th Sep 20074 answers, last by banned-dot 22:52 Sun 09th Sep 2007
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ATB_roo

Cat running the marathon

Would my normal domestic cat be able to beat my mother running a marathon, bearing in mind that my mother will complete the marathon in 3hrs 45 mins?
20:47 Mon 19th Mar 20076 answers, last by ATB_roo 00:16 Thu 22nd Mar 2007
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ATB_roo

Settlement Hierarchy

What has settlement hierarchy got to do with traffic increase in a CBD? Thanks, ATB_roo
20:26 Wed 13th Sep 20062 answers, last by ATB_roo 00:15 Fri 15th Sep 2006
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nessi

histograms

How would i draw one + how do you decide how big your groups should be
15:50 Sun 09th Jul 20061 answer, last by ATB_roo 21:33 Wed 12th Jul 2006
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ATB_roo

Resistance

In an experiment in science I had to investigate how the length of wire affected resistance. To calculate the resistance of the wire I used the formula resistance = voltage / current. When I was doing...
16:44 Tue 20th Jun 200610 answers, last by ATB_roo 17:06 Wed 28th Jun 2006
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ATB_roo

Immersion Heaters

How do Immersion Heaters work? And what are the safecty precautions?
16:11 Sun 19th Mar 20064 answers, last by nessi 13:58 Thu 13th Apr 2006
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ATB_roo

Greenwing

Greenwing used to be my favourite programme. Does anyone know if a new series is being made?
17:37 Sat 22nd Oct 20053 answers, last by snappythe4th 02:17 Tue 25th Oct 2005

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