Why does grinding a solid reactant down into smaller lumps increase the rate of a reaction? (2/3 marks)
As grinding down the solid increases the exposure of particles on the surface, this increases the frequency of reactant particle collisions which then increases the rate of reaction.
IH
Related Chemistry GCSE answers
All answers ▸What elements make up the halides?
Ethane is an organic compound. Please (a) write down the molecular formula of ethanoic acid and (b) verify the type of organic compound ethanoic acid belongs.
Calculate the pH of the buffer solution resulting from mixing 250 cm^3 of 0.3 moldm^-3 ethanoic acid with 250cm^3 of 0.2 moldm^-3 sodium hydroxide. The Ka of ethanoic acid is 1.8 x 10^-5.
Balance this equation: Li(s) + H2O(l) → LiOH(aq) + H2(g)