The thermal equation is 2H 2 (g) + O 2 (g) → 2H 2 O(g) + 483.6 kJ.
(A) 241.8 kJ
(B) 483.6 kJ
(C) 967.2 kJ
(D) 1,934 kJ
(E) 3,869 kJ- Would the reaction shown below be spontaneous? Why or why not?
ZnCl 2 (aq) + Au(s) → Zn(s) + AuCl 3 (aq)(A) Yes, gold is more active than zinc.
(B) No, gold is less active than zinc.
(C) Yes, gold is less active than zinc.
(D) No, gold is more active than zinc.
(E) No, gold and zinc have the same activity.
Four moles of electrons (4 × 6.02 × 10^23 electrons) would electroplate how
many grams of silver from a silver nitrate solution?
(A) 108
(B) 216
(C) 324
(D) 432
(E) 540
A 5.0 M solution of HCl has how many moles of H+ ion in 1 liter?
(A) 0.50
(B) 1.0
(C) 2.0
(D) 2.5
(E) 5.0- What is the Ksp for silver acetate if a saturated solution contains 2 × 10−3
moles of silver ion/liter of solution?
(A) 2 × 10−3
(B) 2 × 10−6
(C) 4 × 10−3
(D) 4 × 10−6
(E) 4 × 10^6- The following data were obtained for H 2 O and H 2 S: