airkyd

i belive H2O2 rarely happens in nature ... instead its a man engineered compound and is commonly found in contact lens cleaner . but i agree with big314mp ////

and yet Einstien still forgot to account for space time into his equations and did realise . it was teh "biggest mistake f his life" lol.

thansk guys i posted is question in the pysics section and did get much infor on it ..... but still does any one knwo what the contstant represents???? its only gce physics..... :/ or is my teacher pushing me too hard

can soem one resolve his equation for me, find the units for k .... T is measured in seconds.... R is measured in meters . thnx

buy a hedge-hog and let it eat them ..

our universe constists of 11 dimention. i only knowing the first 4; 1d, 2d ,3 and 4d (time), but a black hole has how many dimentions. 11 likes its theory should guest for thsi universe or.... less. i have a theory that a black hole had fewer then 2 dimensions. thus its power to up so much matter as it tries to reform back to its lower dimension.... so does a black hole have a 4 dimension? can a higher dimension exist if a lower doesn't?

so wat is the constant , i understand the equation but i dont understand the constant bit , wat is its units , wat does it measure. i know that the constant varies for different garvitational forces. but tahts all l,

i find this subject very interesting , even though i have little knowledge in this . i would say you would move back in time taking into consideration that the universe is constantly expanding , then i would say if something was to compress then time would stand still and the solute centre. there is no going through, but infinate time of compression , but who can say at a place where the laws of physics are brokendown.

ok , i know T^2 = k*R^2, but wat is K . cans some one explain k to me. its a real complicated one :/

double post sry

ok lattice enthalpy is the over all energy change in the reaction: ok we ill take MgO for example, natural states Mg (s) 02 (g). before we can make Mgo , Mg and O2 must be atomised, then ionised for metal and some thing thats called electron affinity for non metal. why is it done Atomised - so they are in gaseous state and molcues like O2 ,Cl2 ect can be seperated (energy required) Isonised/ Electron Affinity - to give the atoms charges. ( energy required for ionisation and 2nd, 3rd....ect electron affinities but energy given out for 1st electron affinity) to turn the ions into MgO is call the lattcie enphalpy. ( energy is give off ) all of thsi requires energy , expect for the 1st electron affinity, when enery is given out the sum of all the energy put in and taken out is the other all energy in the system and therefore the negative value of the the energy required to turn. Mg(2+) O(2-) into MgO. sry im not the best teach or know much about this. only my second year of A levels.

does any one have a method of making HCL from NON-Indutrial products ? ? ?

how can i seperate the Fe(OH)2 from the Cu(OH)2 ??? rust is magnetic , isn't it?

hmmm, i want to make one but i cant find any where that sells the axel and the ruber belt

does any one knwo any oxidisinng and reducing agents that can be found, made or accesses easily?

can i use the foil when i make thermite or do i need to do something with it before binding it with iron oxide?

take a look at these , tell me wat you think??? lol, im a student can afford the proper stuff, a old mobile phone charger for the powersupply, a beer glass for the container , lol http://img477.imageshack.us/my.php?image=10002399tu.jpg http://img477.imageshack.us/my.php?image=10002415gf.jpg The blue/green stuff could be lead oxide, right?? being a nail , i expect lead to be a composite if any ...

ok sure we have lots of aluminium oxide around us, drinks cans and such, but how can i get pure aluminium and how can i get so that it will not react with oxygen to for aluminium oxide??? electrolysis??? reducing agent??? and ideas any one???

ok, i want to get some rusk. so i get a nail , connect to my 12 volt power supply. then i stick the positive and negative ends into some salt water ( tap water + cooking salt) first i get a layer of orange precipitate forming at the bottom( common rust) . but then i get a layer of green/white precipitate???? wat the hell is this??? i have heard that come iron oxide goes strangr colours but i want to conform that its rust. or it another oxide from the other composite in the nail???? any one got any ideas wa happening here?