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Chem equations

QuestionAnswer
Moles Volume*Concentration
Grams Mr*Moles
Pv = nrt P- Pa and V-m^3
Percentage Yield (actual yield/theoretical yield)*100
Atom Economy Desired product Mr/All product Mr's
Q = MC * ΔT Q - Heat lost or gained(J) C - Specific Heat Capacity of Water
Rate Of Reaction (Amount of product formed or amount of product used up)/Time
Kc Units Moldm^-3
ΔS = S(products) - S(reactants) Measures entropy change for a reaction - all values in JK^-1 mol
ΔG ΔH - TΔS -- With ΔS in JK^-1 mol and ΔH in Jmol^-1
K Ae ^ -Ea/RT -- With Ea in J n T in K
-Ea/RT lnA - lnK
Mole Fraction Moles Of Substance / Total Moles Of Mixture
Partial Pressure Mole Fraction * Total Pressure
E°cell = E°reduced - E°oxidised Positive for any feasable reaction
pH -log[H+]
Kw [H+]^2 -- For Pure Water
Ka ([H+][A-]) / [AH]
Ka for a weak acid [H+]^2 / [AH]
Pka -log(Ka)
Created by: 2019whitehead
 



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