given as a starting point?
(A) Temperature
(B) Pressure
(C) Concentration of reactants
(D) Concentration of products- If Ca(OH) 2 is dissolved in a solution of NaOH, its solubility, compared with
that in pure water, is
(A) increased
(B) decreased
(C) unaffectedThe following questions are in the format that is used on the SAT Subject Area
Test in Chemistry. If you are not familiar with these types of questions, study the
beginning pages of this eBook before doing the remainder of the review
questions.
Directions: The following set of lettered choices refers to the numbered
questions immediately below it. For each numbered item, choose the one
lettered choice that fits it best. Every choice in the set may be used once,
more than once, or not at all.Questions 11–15
(A) the free energy is always negative
(B) the free energy is negative at lower temperatures
(C) the free energy is negative at high temperatures
(D) the free energy is never negative
(E) the system is at equilibrium, and there is no net reactionComplete the sentence with the appropriate choice.
When enthalpy is negative and entropy is positive,
When enthalpy is positive and entropy is positive,
When enthalpy is negative and entropy is negative,
When enthalpy is positive and entropy is negative,
When ΔG, free energy, is zero,