Consider the following reversible reaction: Cu(OH)_2 (s) Cu^+2 (aq) + 2 OH^- (aq

Question

Consider the following reversible reaction: Cu(OH)_2 (s) Cu^+2 (aq) + 2 OH^- (aq) Which statement is false regarding the addition of strong acid to this system (HCl, for example) a) there will be fewer free hydroxide ions b) adding acid will decrease the amount of Cu^+2 c) protons from the acid will neutralize some of the hydroxide ions d) copper ions will be generated as the solid copper hydroxide dissolves e) none of the above statements are false Which would decrease the rate of a chemical reaction? a) increased concentration b) lowering the temperature c) addition of a catalyst d) ail of the above e) none of the above Which of the following statements best describes a "mixture?" a) Composition may vary, physically separable, many types of atoms present b) Composition is constant, not physically separable, only one type of atom present c) Composition is constant, not physically separable, more than one type of atom present d) none of the above statements describes a compound Indicate whether the below mixtures are homogeneous or heterogeneous: Vanilla ice cream: ___ Chocolate chip cookie dough: __ Trail mix: __ Which is a unit of concentration? a) moles b) milligrams c) moles/Liter d) grams/lumine When a solution of NaOH is added to a solution of HNO_3 (nitric acid), which of the following would be the conjugate acid? a) H_2O b) NaH c) Na^+ d) NaNO_3 e) both H_2O and NaNO_3 f) both H_2O and NaH Which has the lowest boiling point (b.p.)? a) CH_4 b) CH_3CH_2OH c) CH_3Cl d) cannot determine Which compound is likely most soluble in hexane (C_6H_14)? a) Ethanol (CH_3CH_2OH) b) Magnesium sulfate C) Sodium carbonate d) Water e) Benzene (C_6H_6)

Explanation / Answer

21.

a) True

b) False, acid will produce CuCl2 and thereby, it will increase Cu+2 ion in solution

c) True

d) True

e) False

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.