Summary
Summary GCSE Chemistry: Equilibria
A summary of reversible reactions and equilibria. These notes are based on Edexcel International but are applicable to any GCSE Chemistry syllabus.
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reversiblereactionso Areversiblereactionis saidtobe in a stateofdynamicequilibriumwhen
theforwardandbackreactionoccurarthesamerare
stayner ane
o theconcentrationsofthereactantsandproducers
sharesome
oDynamicequilibriumcan
onlyexistwhentheawesomereactionistakingpeace in a closedsystem
donarneedtoknowme name
oLecuateeier'sprinciplesharesthat if asystematequilibriumisdisturbed theequilibriummovesin the
direction cnartendstoreducethedisturbance
rulesofequilibrium D
Anincreaseintemperaturewinshiftme equilibrium in thedirectionofoneendothermicreaction viceversa
o Anincreaseinpressurewiuu snifftheposition equilibriumin thedirection thesidewim fewestmoles
of of ofga
Acaraeyorwinincreasetherateofthe forwardandbackwardreactionbyequalamounts sotheposition
of
equilibriumwiu remainthe sameandthegreedwill beunaltered
answerformat
o sratewhichside ir wilesuisr in thedirection
of
a statewhetherthis is theforwardorbackreaction
sratewhichdirectionthepositionofequilibrium winswiftto
o itasked oratetheeffecton theyield
Americanon Slearnreformationofmethane D Application Decompositionof Nz04
endo
oCH
yog t n0cg
z 3Hzegg COg a N za 7 2NO
exo
colourless darnbrown
Answer as normalquestion wwer indynamicequilibrium
theresuranergasiscignerbrowna
hecoloursmerge
Answerasnormalquestion
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