Asked by elisha

what happens when a candle is alight, basing it on energy.
what are the physical changes and chemical changes?
please heip me asap
thanx
Answered by drbob222
One physical change is that the candle melts. One chemical change is that some of the candle (wax--which is a hydrocarbon) combines with oxygen to produce CO2 and H2O. This is an exothermic reaction and produces heat and light in addition to the other products. Read in your text or notes to help understand what is going on.
Answered by elisha
thanx is there anymore chemical changes
i have 2 do a poster explaining what happens when a candle is alight
thanx 4 your help is there anythjing else you know
xx
Answered by elisha
do you no anything else
plz help
xx
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