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thechymist

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Betty Swalls

Why is water wet ?

Hopefully not as daft a question as it sounds. Water, as everyone knows, is comprised of Hydrogen and Oxygen (H2O) which are both gaseous at normal room temperature, so why, when they're combined, do...
01:29 Thu 22nd Nov 200714 answers, last by thechymist 15:13 Tue 27th Nov 2007
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bcearthangel

Fatty Calories

Fat contains twice as many calories per unit weight as carbohydrates does, so fat is an efficient way for animals, who must move about, to store energy. Compare the way fat and carbohydrates interact...
01:22 Tue 02nd Oct 20072 answers, last by thechymist 00:07 Mon 26th Nov 2007
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xrairigh319x

Chemistry

As p-dichlorobenzene cools, what happends to the kinetic energy of the p-dichlorobenzene?
23:19 Tue 30th Oct 20071 answer, last by thechymist 23:50 Sun 25th Nov 2007
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shaunnutley

Perception of Sound and Earplugs

Earplugs can be rated according to the number of decibels they reduce sound by, and this could be NRR or SNR. I have noticed on websites that earplugs can be used to block loud industrial noise....
19:33 Wed 21st Nov 20073 answers, last by thechymist 12:26 Sun 25th Nov 2007

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