equilibrium constant Kp Flashcards
whatsthe total pressure in a reaction
the sum of all the pressure of the individual glasses (partial pressure)
pressure calcs OF QUESTION WHEN THEY HAVE GIVEN THE PARTIAL PRESSURES OF SOME GASES
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EG OF QUESTIONS USING THE EQUATIONS : (MOLES OF SUBSTANCE HEATED GIVEN FOR EG)
MOLE FRACTION OF GAS = NUMBER OF MOLES OF GAS/ TOTAL NUMBER OF MOLELS OF GAS IN THE MIXTURE
PARTIAL PRESSURE = TOTAL PRESSURE * MOLE FRACTION OF GAS.
TO FIND THE PARTIAL PRESSURE OF A CERTAIN GAS IN THE REACTION.
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KP DIFF TO KC
ITS THE EQM CONSTANT FOR AN EQM REACTION INVOLVING GASES. WE USE PARTIALL PRESSURES INTSTEAD OF CONCS (LIKE WE USE FOR KC)
KP EQM CONSTANT EG CALC USING PARTIAL PRESSURE
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KP IS ONLY VALID FOR ONE ….
temp
changing the temp will change eqm pressures, hence hp will….
change
when eqm shifts right due to temp change kp will…. vs if eqm shifts left prior to a temp change kp wil….
will increase when eqm shifts righ, will decrease when eqm shifts left
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value of kp is unafected by any changes in what
PRESSURE?
does adding a catalyst have any effect on kp?
no (but it speeds up the forward andbackward reaction, and speeds up the rate at which eqm establishes)