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...
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...
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...
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...
ATB_roo

South East Asia Floods 2007

What were the responses (physical, social, and economical) to the South East Asia flooding in 2007?
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?
ATB_roo

Settlement Hierarchy

What has settlement hierarchy got to do with traffic increase in a CBD? Thanks, ATB_roo
nessi

histograms

How would i draw one + how do you decide how big your groups should be
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...
ATB_roo

Immersion Heaters

How do Immersion Heaters work? And what are the safecty precautions?
ATB_roo

Greenwing

Greenwing used to be my favourite programme. Does anyone know if a new series is being made?

1 to 11 of 11