chem 1020 exam 3 ACTUAL UPDATED QUESTIONS AND CORRECT ANSWERS
what does an acid do transfers h+
it is a proton donor
what does a base do accepts h+
proton acceptor
what does the conjugate base do it adds a h+ to the acid to form CA
it will add a charge
what does the conjugate acid do it will loose a H and the base will accpet it and become a CB
it will also loose a charge
electrolytes fully dissolves, conducts electricity, ionic compound (NM + M)
non electrolytes doesnt fully dissolve, will not conduct electricity
what are the two kinds of electrolytes strong and weak electrolytes
, what is a strong electrolyte 100% ionization
ex. hcl
what is a weak electrolyte only partial ionization
ex. hf
what are the properties of a strong acid easily donates h+
strong electrolytes (100% ionization)
what are the strong acids (6) HCl, HBr, HI, H2SO4, HNO3, HClO4
what is an example of a strong acid dissacociating HClO4 +H2O --> H3O+ +CLO4-
what are the properties of a weak acid only partial dissociation
weak electrolyte
an equilibrium is established
what are the weak acids (6) HF, HNO2, HCH2O2 (acetic acid), HCN, HCHO2 (formic acid), H3PO4
(phosphoric acid)
what is ka equilibirum constant of acid dissociation
what does a higher ka mean it means a solution is more acidic
ex. at same molarity, 6.2x10^-4 < 1.8x10^-2 so 1.8x10^-2 has a bigger ka making it
more acidic (the stronger the acid)
what is kpa aciditiy scale, negative log of ka
what is the relationship between kpa and ka inverse relationship
what does a higher molatity/acidity means in terms for ka ka would be higher making kpa lower
and kpa
what is the equation to kind ka given pka ka = 10^-pka
what is the equation to find pka given ka pka =-log(ka)
what does an acid do transfers h+
it is a proton donor
what does a base do accepts h+
proton acceptor
what does the conjugate base do it adds a h+ to the acid to form CA
it will add a charge
what does the conjugate acid do it will loose a H and the base will accpet it and become a CB
it will also loose a charge
electrolytes fully dissolves, conducts electricity, ionic compound (NM + M)
non electrolytes doesnt fully dissolve, will not conduct electricity
what are the two kinds of electrolytes strong and weak electrolytes
, what is a strong electrolyte 100% ionization
ex. hcl
what is a weak electrolyte only partial ionization
ex. hf
what are the properties of a strong acid easily donates h+
strong electrolytes (100% ionization)
what are the strong acids (6) HCl, HBr, HI, H2SO4, HNO3, HClO4
what is an example of a strong acid dissacociating HClO4 +H2O --> H3O+ +CLO4-
what are the properties of a weak acid only partial dissociation
weak electrolyte
an equilibrium is established
what are the weak acids (6) HF, HNO2, HCH2O2 (acetic acid), HCN, HCHO2 (formic acid), H3PO4
(phosphoric acid)
what is ka equilibirum constant of acid dissociation
what does a higher ka mean it means a solution is more acidic
ex. at same molarity, 6.2x10^-4 < 1.8x10^-2 so 1.8x10^-2 has a bigger ka making it
more acidic (the stronger the acid)
what is kpa aciditiy scale, negative log of ka
what is the relationship between kpa and ka inverse relationship
what does a higher molatity/acidity means in terms for ka ka would be higher making kpa lower
and kpa
what is the equation to kind ka given pka ka = 10^-pka
what is the equation to find pka given ka pka =-log(ka)
