I really need to know how, so if you know, please help!
Since Al is more reactive than Cu, no reaction would occurA reaction would occur only if you had a piece of Al and a solution containing Cu2+ ionsThe more active metal replaces the other metal in solution and the less active metal plates out.
Please don't ask diffuse questionsIf you mean a solution of aluminum ions Al+3, then no: Al3+ + 3e? ? Al(s) -1.66 Cu2+ + 2e? ? Cu(s) +0.340 Cu+ + e? ? Cu(s) +0.520 If you mean a solution of some unspecified Al compound then maybe, but there's no way to know until you specify the compound.
No they are both positively chargedCu is +1 or +2 and Al is +3.
Figure out the Eknots using a chartCu - Cu2+ Enot of ? Al3+ - Al Enot of ? It needs to be positive to spontaneously react I believe from memory that Al - Al3+ is 1.3volts, so the reverse is negativeMeanwhile Cu is something under .5 volts, so it won't be enough to make the reaction workThis is further understood because aluminum requires a lot of energy to smelt from the oxide (which is the reverse reaction of Al3+ - Al that you're talking about here) Secondly, do your homework man, it's REALLY obnoxious to add the why or why not and phrase everything exactly as your homework asksTry to ask a question about the topic so you actually learnFor example, what are reduction potentials in terms of, for example, Cu - Cu2+
You use wool and the trick is the hot water (hotter the better) and rough agitation in a washer (the roughter the better) and drying in a hot dryerThe felting is caused by the scales of the fiber mashing together and compactingThe higher the wool content of your yarn, the better will be your results100% wool is the most predictableAny synthetic additions to the fiber are there to prevent felting, so you will get shrinkage, but not felting.
