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Chem review momma

QuestionAnswer
What is the difference between a strong and a weak electrolyte Strong electrolytes dissociate in water and weak ones don’t
What is the difference between saturated, super saturated and unsaturated? Super saturated, the things aren’t dissolving anymore, saturated the elements are all dissolved, but no more can be added. Unsaturated means you can add more and it will be dissolved.
Bases High ph, OH ions
Acids Low ph, H ions
Postulates of Kinetic Molecular Theory 1. The molecules in a gas are constantly moving. 2. the volume of molecules is negligible. 3. Intermolecular actions negligible 4. Collisions of gas molecules don’t change avg. kinetic energy 5. Kinetic energy of molecules depends on temp
Percent yield equation Actual ———. X 100 Theoretical
How do you calculate ph from molarity? Ph = - log[molarity]
How do you calculate the molarity from the ph? Molarity = 10^ - ph
Calculate molarity for a monoprotic acid from titration data MV ( of 1) = MV (of 2)
How to perform specific heat problems Q = mc(delta)T
Boyle’s law P1V1 = P2V2
Combined gas law P1V1. P2V2 ——- = ——- n1T1. n2T2
Ideal Gas law Pv = nRT
If a substance has a high specific heat, what does this mean? It takes more energy and temperature to raise it one degree.
Created by: Cashewh8r
 

 



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