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this question was in the '04 neap paper: Citric acid and acetic acid are both weak acids. State why citric acid is stronger than acetic acid. is it something to do with the bonds?.....coz it cant be coz of dissociation....help plz

I used to know the answer to this question but now i forgot :( "why is sodium hydroxide not used as a primary standard?" i know it might be a stupid question but it has come up and im curious about the answer....:p

if there were two metals (both more reactive than iron) used to protect iron by coating it a layer of the metal. Which one would be better? Would it be the most reactive one out of the two?..........Or would it be the one less reactive out of the two since it wouldnt corrode as much and...

hey guys, i was just wondering about this umat test. If i dont do it, can i still enter medicine, pharmacy or physiotherapy still? ..... and if i miss out on it this year, can i still do it the following year?

hey, can someone please explain to me how an impressed current system works, because i cant find any resource which explains it simply and i need it for an assessment task. Thanks......

can someone please explain what back emf is to me, because i dont understand it one bit when the teacher tries to explain it. :(

Hi , i need help with this particular question, and if anyone can help me it would be great. :D The question is: "Describe what happens to artefacts that are saturated with salts if they are allowed to dry out. Emphasise the chemical properties involved in this process" I know that the...

i need help answering this dot point which has a question along with it: process informtion fromsecondary sources to outline and analyse the impact of the work of Galvani, Volta, Davy and Faraday in understanding electron transfer reactions. and the question is : What uses have each...