5. Be sure to answer all parts.
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5. Be sure to answer all parts. Calculate ΔG for the reaction H2O(l) ⇆ H+(aq) +...
Be sure to answer all parts. At 25°C, the standard enthalpy of formation of HF(aq) is -320.1 kJ/mol. Of OH(aq), it is -229.5 kJ/mol. Of F (aq), it is -330.2 kJ/mol, and of H2O(l), it is -285.9 kJ/mol. (a) Calculate the standard enthalpy of neutralization of HF(aq): HF(aq) + OH(aq) + (aq) + H2O(1) kJ/mol (b) Using the value of -56.3 kJ as the standard enthalpy change for the reaction H(aq) + OH(aq) +H2O(1) calculate the standard enthalpy of change...
Urea (NH2CONH2), an important nitrogen fertilizer, is produced industrially by the reaction 2NH3(g)+CO2(g)→NH2CONH2(aq)+H2O(l) Given that ΔG∘ = -13.6 kJ, calculate ΔG at 25 ∘C for the following sets of conditions. (Figure 1) 1) 20 atm NH3, 20 atm CO2, 4.0 M NH2CONH2 2) 9.0×10−2 atm NH3, 9.0×10−2 atm CO2, 1.0 M NH2CONH2 Is the reaction spontaneous for the conditions in part (a) and/or part (b)? spontaneous for the conditions in part (b), nonspontaneous for the conditions in part (a) nonspontaneous...
Be sure to answer all parts Calculate AG for the following reaction at 25°C: 3Mg(s)2A(aq) = 3Mg2 (aq) 2Al(s) Enter your answer in scientific notation. kJ /mol x 10
Be sure to answer all parts. Calculate the equilibrium constant for the following reaction: (Ka of HCOOH = 1.7 × 10−4) HCOOH(aq) + OH−(aq) ⇌ HCOO−(aq) + H2O(l) × 10 (Enter your answer in scientific notation.)
Calculate ΔG°(in kJ/mol) for the reaction NO2(g) + H2O(l) --> HNO3(l) + NO(g). ( unbalanced) Substance ΔGfo(kJ/mol) NO2(g) 51.8 NO(g) 86.7 HNO3(l) -79.9 H2O(l) -237.2 Write answer to two significant figures and correct sign.
Be sure to answer all parts Calculate AG for the following reaction at 25°C: 3Mg(s) 2A (aq) 3Mg2*(aq) +2Al(s) Enter your answer in scientific notation. х 10 kJ/ mol
Calculate the ΔG°rxn using the following information. 2 HNO3(aq) + NO(g) → 3 NO2(g) + H2O(l) ΔG°rxn = ? ΔG°f (kJ/mol) -110.9 87.6 51.3 -237.1
Calculate the ΔG°rxn using the following information. 2 HNO3(aq) + NO(g) → 3 NO2(g) + H2O(l) ΔG°rxn = ? ΔH°f (kJ/mol) -207.0 91.3 33.2 -285.8 S°(J/mol∙K 146.0 210.8 240.1 70.0 -151 kJ +50.8 kJ -186 kJ +222 kJ -85.5 kJ
The equlibrium constant for the equation NH3(aq) + H2O(l) ↔ NH4+(aq) + OH⁻(aq) is Kb= 1.8×10-5 at 25 ºC. Calculate ΔGºrxn at 25 ºC. a) -2.27 kj/mol b) 0 kj/mol c) 2.27 kj/mol d) 267 J/mol 27.1 kj/mol
Be sure to answer all parts. Calculate the value of [OH) from the given [H2O* in each solution and label the basic: (a) [H3O+] = 5.5 x 10-10 M; (b) [H20*1 = 4.8 x 10-2 M. (a) (b) * 10 * 10 M, (select) $ M, (select) 4 Convert each H20* concentration to a pH value. a. 4.4 x 10-2 M b. 5.85 x 10-8 M