PORTAGE LEARNING BIOCHEM MODULE 5
EXAM ACTUAL EXAM SCRIPT 2026 COMPLETE
QUESTIONS AND SOLUTIONS GRADED A+
◉ colligative properties depend on...
Answer: the number of particles dissolved
◉ delta S univ < 0 at 25*C... is it spontaneous or nonspontaneous
Answer: it is nonspontaneous at room temp.
◉ stronger intermolecular forces effect boiling point by...
Answer: increasing the boiling point
◉ hydrogen bonding
Answer: gives rise to hydration shells in an aqueous solution of
hydrofluoric acid
◉ entropy
Answer: measures the amount of disorder
◉ enthalpy
, Answer: measures the total heat content of a system
◉ equilibrium constant
Answer: -ratio of forward and reverse rate constants
-ratio of the concentrations of products and reactants
-dependent upon temperature
◉ Kc>Qc what direction will the reaction go to establish
equilibrium?
Answer: reaction will proceed to the right to establish equilibrium
◉ what affects the rate of a reaction?
Answer: -temperature of the reactants
-concentrations of reactants
-presence of a catalyst
-surface area of reactants
◉ units for orders
Answer: zero --> mol L-1 s-1
first --> s-1
second --> L mol-1 s-1
third --> L2 mol-2 s-1
EXAM ACTUAL EXAM SCRIPT 2026 COMPLETE
QUESTIONS AND SOLUTIONS GRADED A+
◉ colligative properties depend on...
Answer: the number of particles dissolved
◉ delta S univ < 0 at 25*C... is it spontaneous or nonspontaneous
Answer: it is nonspontaneous at room temp.
◉ stronger intermolecular forces effect boiling point by...
Answer: increasing the boiling point
◉ hydrogen bonding
Answer: gives rise to hydration shells in an aqueous solution of
hydrofluoric acid
◉ entropy
Answer: measures the amount of disorder
◉ enthalpy
, Answer: measures the total heat content of a system
◉ equilibrium constant
Answer: -ratio of forward and reverse rate constants
-ratio of the concentrations of products and reactants
-dependent upon temperature
◉ Kc>Qc what direction will the reaction go to establish
equilibrium?
Answer: reaction will proceed to the right to establish equilibrium
◉ what affects the rate of a reaction?
Answer: -temperature of the reactants
-concentrations of reactants
-presence of a catalyst
-surface area of reactants
◉ units for orders
Answer: zero --> mol L-1 s-1
first --> s-1
second --> L mol-1 s-1
third --> L2 mol-2 s-1
