For the reaction below: (5 points) 3Cu(s) + 2NO3– (aq) + 8 H+(aq) 3Cu2+(aq) + 2NO(g) + 4H2O(퓁)What is Gº at 25 ºC?(a) −361 kJ(b) 180. kJ(c) 361 kJ(d) −120 kJ(e) none of these
For the reaction below: (5 points) 3Cu(s) + 2NO3– (aq) + 8 H+(aq) 3Cu2+(aq) +...
Consider the following reaction at 298 K: 3Cu2+(aq) + 2Al(s) + 3Cu(s) + 2 A13+ (aq) and the standard reduction potential values: Cu2+(aq) + 2e + Cu(3) E° = +0.342 v Al3+ (aq) + 3e + Al(s) E° = -1.662 v No files uploaded (Submit 6.1 and 6.2 as a single file) Q6.1 8 Points Calculate the standard Gibbs energy of reaction (A,G), in kJ/mol. Q6.2 8 Points Calculate the emf (E) when [Cu2+] = 1.0 x 10-2 M and...
In the reaction below, which species is oxidized? 3 K S(s) + 8 H(aq) + 2NO3(aq) →6K+(aq) + 3 S(s) + 2 NO(g) + 4 H20 Select one: O a. K+ O b.NO c. NO: O d. H o e. Ks In the reaction below, which species is oxidized? 3 K S(s) + 8 H+(aq) + 2NO3- (aq) → 6 K+(aq) + 3 S(s) + 2 NO(g) + 4 H20 Select one: O a. K+ O b.NO c. NO: od....
For the following electron-transfer reaction: 2Cr(s) + 3Cu2+(aq) 2Cr3+(aq) + 3Cu(s) The oxidation half-reaction is: The reduction half-reaction is:
1. Consider the reaction below: 3Ag2S(s) + 8H+(aq) + 2NO3-(aq) ? 6Ag+(aq) + 3S(s) + 2NO(g) + 4H2O(l) In this reaction, which species is reduced? 2. Calculate Ecell for the following electrochemical cell which is operating under nonstandard conditions: Cr | Cr3+(0.010 M) || Ag+(0.00010 M) | Ag The relevant standard reduction potentials are: Cr3+(aq) + 3e- ? Cr(s) Eº = ?0.74 V Ag+(aq) + e- ? Ag(s) Eº = +0.80 V
. AT&T 8:47 PM 67% Exit In the reaction 3Cu(s) + 8HNO3(aq) → 3Cu(NO3)2(aq) + 4H2O(l) + 2NO(g) 6.3 g of Cu and 100.0 mL of 1.0 M HNO3 are combined. Which of the following statements is true? O 0.080 mol H2O is produced O Cu and HNO3 are present in stoichiometric amounts; neither is in excess. O Cu is the limiting reagent, and 0.062 mol HNO3 does not react. O HNO3 is the limiting reagent, and 0.062 mol Cu...
5) Will this reaction occur spontaneously as written? (3 points) why 3Pb(s) + NO3 (aq) + 8H(aq) 3Pb2+(aq) + 2NO(g) + 4H2O(1)
The reducing agent in the reaction below is 3CuCl2(aq)+2Al(s) →3Cu(s)+2AlCl3(aq) a. Al3+ b. Cu2+ c. Al d. Cu
MI Review | Constants | Periodic Table Calculate the standard cell potential for each of the following electrochemical cells. Standard Electrode Potentials at 25 °C Part A Cd2+ (aq) + Mg(s)+Cd(s) + Mg2+ (aq) Express your answer using two decimal places and include the appropriate units. -2.37 Reduction Half-Reaction Cd2+ (aq) +2 e Mg2+(aq) +2 € 2 H+ (aq) +2 € Fe2+ (aq) +20 Cu2+ (aq) +2 € NO3- (aq) + 4 H+ (aq) + 3 e E°(V) + Cd(s)...
please help, thanks! 7. What is the correct cell notation for the reaction below? Cd(aq)+Ni(s)-Cd(s)+ Ni(aq) a. Cd Cd| Ni | Ni d. Ni Cd I N | Ca b. Cd CdNi | Ni e. Cd |Cd Ni Ni 8. Calculate AS for the dissociation of dinitrogen tetraoxi de at 25°C NOdg) 2NO:(g) AG, J/mol)AH, J/mol) Substance NO) NOdg) +33.2 +51.3 +97.9 +9.2 d. +0.076 kJ K a.-2.10 kJ/K e +2.10kJ/K b. -0.550 kJ/K c.-0.208 kJ/K 9. Use the standard...
Given: 3Mg(s) +2 A13+(aq) – 2 Al(s) + 3Mg2+(aq) Which of the foloowing statements is/are correct? a. Mg metal is oxidized and Aluminum ion is reduced b. Mg metal is reduced and Aluminum ion is oxidized C. Aluminum metal is oxidized and Magnesium metal is reduced d. Aluminum metal is reduced and Magnesium ion is oxidized e. None of the these is correct Use the standard half-cell potentials listed below to calculate the standard cell potential and standard free energy...