chem test

Home

Get App

Take Quiz

Create

the substance that does the dissolving

solvent
the substance that is dissolved

solute
reaction is exothermic when?

delta H is negative
when is the reaction endothermic?

when delta H is positive
what type of reaction is favored for solubility?

exothermic
what is the mixing of delta S and a measure of disorder?

entropy
when does entropy have less disorder?

when delta S is negative
when does entropy have more disorder?

when delta S is positive
what is favored for solutbility in Entropy?

more disorder (positive delta S)
what makes a solution dissolve?

the enthalpy must be negative and/or the entropy must be positive.
what happens when the charge of anions/cations changes?

hydration energy increases
what happens when atomic radius increases?

hydration energy decreases
what happens to solutbility for exothermic reactions as temperature increases?

solubility decreases
what happens to solubility for endothermic reactions as temperature increases?

solubility increases
what depends on the number of particles dissolved in a solution; not the kind of particles

colligative properties
what happens to vapor pressure as the number of particles increases/

vapor pressure decreases
what happens to the boiling point as the number of particles increases?

boiling point increases
what happens to the freezing point as the number of particles increases?

freezing point decreases
what is the amount of energy required to remove valence electrons?

ionization energy
what happens to ionization energy as you go down the periodic table?

it decreases
what happens to ionization energy as you go to the right?

it increases
what is the amount of energy absorbed when an electron is added?

electron affinity
what happens when delta E is negative?

the reaction is exothermic
what happens when delta E is positive?

the reaction is endothermic

Author

Anonymous

163729

Card Set

chem test

Description

chem test

Updated

2012-07-24T07:56:37Z