buffer Flashcards
1
Q
why has buffer formed
A
as there is acid and the salt of the acid
2
Q
issociation of water exo or endo
A
endo as kw increases with temperture
3
Q
Plan an experiment that a student could carry out to measure the enthalpy change of
neutralisation
A
acid and alkli mixed
take temp at starrt and finish
energy=qmcdeltat
energy scaled upto form one mole of water
4
Q
what factors affect ph of buffer
A
ka of acid
temperature
ratio of weak acid and conjugate base
5
Q
conjugate acid base pair meaning
A
two species differing by a H
