Which of the following metals will dissolve in HCl?
A. Al
B. Ba
C. Na
D. Mn
E. all of the above
Answer)
Therefore correct answer is E) all of the above
Which of the following metals will dissolve in HCl? A. Al B. Ba C. Na D....
1-Which of the following metals will dissolve when placed into a 1 M HCl solution? You may need to refer to table 18.1 in your textbook. Check all that apply however points will be deducted for incorrect guesses. Select one or more: Zn Ag Cu Al Au Fe Mg 2-Consider three hypothetical metals: "X", "Y" and "Z". The following reactions proceed spontaneously in the direction as written under standard state conditions: Z(s) + X2+ → Z2++ X(s) Y(s) + Z2+...
Use the standard half-cell potentials listed below to determine which the following metals will dissolve in hydrochloric acid. Cl2(g) + 2e + 2C1-(aq); E° = 1.36 V 2H+(aq) + 2e + H2(g); E° = 0.00 V O Cu; E°(Cu2+/Cu) = +0.34V O Au; E°(Au3+/Au) = +1.50V O Al; E°(A13+/Al) = -1.66V O Ag; E°(Ag+/Ag) = +0.80V O Pt; E°(Pt2+/Pt) = +1.19V
Use the standard half-cell potentials listed below to determine which the following metals will dissolve in hydrochloric acid. Cl2(g) + 2e -- 2014(aq); E° = 1.36 V 2H+(aq) + 2e - H2(g); E° = 0.00 V OPt; E°(P+2+/Pt) = +1.19V O Ag; E°(Ag+/Ag) = +0.80V O Au; EⓇ(Au3+/Au) = +1.50V O Al; E(A13+/Al) = -1.66V O Cu; E(Cu2+/Cu) = +0.34V
4. Indicate which of the following reactions results in a positive AS. a. Ba(NO3)2(aq) + Na So. (aq) = BaSO (s) + 2 NaNO,(aq) b. 4 Fe(s) +3 0,(g) = 2 Fe 0,(s) c. 2 Hg) +0,(g)52 H0g) d. Zn(s) + 2 HCl(aq) = ZnCl(aq) +H. (g) e. 2 Na(s)+Cl2(g) = NaCl(s)
An atom of which element below has the most unpaired electrons? A) Ba B) Al C) P D) F E) O
37. Given the following list of metals: Ag, Cu, Zn, Ni answer the following (refer to Table 19.1; for credit show E' values from Table and briefly show your reasoning): A. Which metal would be the best oxidizing agent? B. Which metal would be the best reducing agent? C. Which metal(s) would dissolve in HCl? D. Which metal(s) would dissolve in HNO:?
Which of the following is semimetal? a. Na b. S c. He d. Ge e. none of the above
which of the following molecules should dissolve well in vegetable oil? a) N2 b) CH4 c) HCl d) PF3
15) Circle any of the following metals ( Sr, Cu, Ba, Ag, Sn) that will react in an aqueous solution of Mn(NO3)3 to produce manganese metal?
Which of the following is the strongest reducing agent? A) Fe2+(aq) B) Fe3+(aq) C) Cd(s) D) F-(aq) E) Na(s) . Which of the following is the weakest oxidizing agent? A) Cu+(s) B) Fe2+(aq) C) Sn4+(aq) D) K+(s) E) Cr3+ (aq) Which of the following is the weakest reducing agent? A) Al(s) B) K(s) C) Ba2+(aq) D) A13+ (aq) E) F-(aq) Determine which of the following pairs of reactants will result in a spontaneous reaction at 25°C. A) Pb2+ (aq) +...