Recent content by nathaniell

Hey guys, I know that the derivative of sinx is cosx but how do we get to that answer can someone show me the steps followed

My idea to the separate samples of propanone and propanal is to use an ammoniacal solution of silve which propanone should show some change(a white precipitate) and propanal does not While when propanone reacts with hydrogen cynaide the N-bonds will break and will be attached to propanone...

1)Give a chemical test that can be used to distinguis between separate samples of propanone and propanal. Give a suitable reagent for the test and describe what you would obsrve with propanone and with propanal. 2) Outline the reaction of propanone with the following reagents. Give the...

purplemath.com would be an excellent site for you to use

How do I calcualte the heat of hydration of of copper(II)sulphate knowing that when I dissolve anhydrous copper(II)sulphate temperature changes by 2K and when I dissolve copper(II)sulphate pentahydrate in water temperature decreases by 1K. We are told to assume that 1cm cubed of water is...

Yes I want the heat of anhydrous copper(II) sulphate

Hey poeple do any of you know what is the theoretical value for the heat of hydartion of copper I need it to make some calculations in my lab

Hey people, I have beeno wondering this for a while: If the nucleus of an atom is positively charged and the electrons are negatively charged, why don't the electrons stick to the nucleus like a magnet, why do they only have a certain distance between themselves. If the electrons are...