(1) (12 pts) When H2S(g) is bubbled into aqueous nitric acid solutions, S(s), NO2(g), NO(g), N2(g), and NH4+ (aq) a...
(1) (12 pts) When H2S(g) is bubbled into aqueous nitric acid solutions, S(s), NO2(g), NO(g), N2(g), and NH4 + (aq) are all formed. (a) (8 pts) Write the four balanced chemical reactions (using only electrically neutral species) that describe this process. (b) (4 pts) For each reaction in part (a), evaluate the number of moles of electrons transferred per mole of H2S(g).
(1) (12 pts) When H2S(g) is bubbled into aqueous nitric acid solutions, S(s), NO2(g), NO(g), N2(g), and NH4+ (aq) are all formed. (a) (8 pts) Write the four balanced chemical reactions (using only electrically neutral species) that describe this process. (b) (4 pts) For each reaction in part (a), evaluate the number of moles of electrons transferred per mole of H2S(g).
(1) (12 pts) When H2S(g) is bubbled into aqueous nitric acid solutions, S(s), NO2(g), NO(g), N2(g), and NH4+(aq) are all formed. (a) (8pts)Writethefourbalancedchemicalreactions(usingonlyelectricallyneutralspecies)thatdescribethis process. (b) (4 pts) For each reaction in part (a), evaluate the number of moles of electrons transferred per mole of H2S(g).
Write a balanced chemical equation for the reaction of aqueous solutions of potassium sulfide and nitric acid. a) K2S(aq) + 2HNO3(aq) > H2S(g) +2 KNO3(aq) b) K2S(aq) + 2HNO3(aq) > S(s) +H2(g) + 2KNO3(aq c) K2S(aq) + HNO3(aq) > HS(g) + K2NO3(aq) d) K2S(aq) + 2HNO3(aq) > 2K(s) + H2(g) + S(NO3)2(g) e) K2S(aq) + 2HNO3(aq) > 2KH(aq) + S(NO3)2(g)
O(NH4)2CO3 There is no solid formed when the two solutions are mixed. QUESTION 30 An aqueous solution of potassium chloride is mixed with an aqueous solution of sodium nitrate. The molecular equation contains which one of the following terms (when balanced in standard form)? O KCI(s) O KNO3(aq) O KNa(aq) OCINO3(aq) O NaCl(s) QUESTION 31 How many moles of Ca atoms are in 613.3 g Ca? 15.30 mol 6.535 x 10-2 mol
Ammonium ion reacts slowly with nitrite ion: NH4+ (aq) + NO2(aq) → N2(g) + 2H20(1) Rate data for this reaction, measured at a certain temperature, are as follows: Expt. (NH4+] (M) [NO2] (M) Rate (M sł) 1 0.100 0 .220 6.00 x 106 0.400 0.220 2.40 x 105 3 0.400 0.110 1.20 x 105 (a) Determine the rate law for the reaction. Enter your result in the equation below, by putting the appropriate exponent next to each species. (Enter O...
1. Thermodynamics and acid solutions a) The following reaction occurs when HCl is bubbled into water at 25°C and latm pressure: HCl(g) -> H+(aq) + Cl (aq) Calculate AS rxn for this reaction. b) Sketch two possible structures of the hydronium ion in water. Circle the hydronium ion in each case. Also sketch the local structures of water surrounding the hydronium and chloride ions in aqueous solution. Include the important water molecules in both sets of sketches. c) Draw a...
Initial rate data are listed in the table for the reaction: NH4+ (aq) + NO2 (aq) + N2(g) + H20 (1) Experiment (NH4+) (NO2). Initial rate (m/s) AWN + 0.24 0.10 0.12 0.10 0.120.15 0.12 0.12 7.2 x 10-4 3.6 x 104 5.4 x 10-4 4.3 x 10-4 First determine the rate law and rate constant. Under the same initial conditions as in Experiment 4, calculate [NH4+) at 114 seconds after the start of the reaction. In this experiment, both...
Ammonium ion reacts slowly with nitrite ion: NH4+ (aq) + NO2(aq) + N2(g) + 2H20(1) Rate data for this reaction, measured at a certain temperature, are as follows: Expt. (NH4+] (M) [NO] (M) Rate (MSP) 1 10.1200 .300 5.20 x 106 2 0.480 0.300 2.08 x 105 3 0.480 0.150 1.04 x 105 (a) Determine the rate law for the reaction. Enter your result in the equation below, by putting the appropriate exponent next to each species. (Enter of the...
(2) (4 pts) Gaseous nitrogen dioxide disproportionates spontaneously into nitric acid and nitrous acid in acidic aqueous solution. Show this by writing the balanced chemical reaction and evaluating the standard emf (in V) for the reaction. Useful Information Ed(V) Half-reaction red 2 H'(aq) 2 e > H2(g) 0.00 > NO2(g) H2O(I) +0.79 NO3 (аq) + 2 H" (аq) + е - NO: (aq) + 4 H (ад) + 3 е —> NO(g) + 2 H-0() +0.96 AuCla (aq) + 3...