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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...
4. Be sure to answer all parts. The ΔG° for the reaction: H2(g) + I2(g) ⇌ 2HI(g) is 2.60 kJ/mol at 25°C. In one experiment, the initial pressures are PH2 = 3.92 atm PI2 = 0.016 atm PHI = 0.43 atm Calculate ΔG for the reaction and predict the direction of the net reaction. _______ kJ/mol
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.)
Be sure to answer all parts. Calculate E o , E, and ΔG for the following cell reactions (a) Mg(s) + Sn2+(aq) ⇌ Mg2+(aq) + Sn(s) where [Mg2+] = 0.055 M and [Sn2+] = 0.050 M E o = V E = V Δ G = kJ (b) 3Zn(s) + 2Cr3+(aq) ⇌ 3Zn2+(aq) + 2Cr(s) where [Cr3+] = 0.020 M and [Zn2+] = 0.0095 M E o = V E = V Δ G = kJ
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 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.
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
Be sure to answer all parts. Consider the following mechanism: (1) ClO−(aq) + H2O(l) ⇌ HClO(aq) + OH−(aq) [fast] (2) I−(aq) + HClO(aq) → HIO(aq) + Cl−(aq) [slow] (3) OH−(aq) + HIO(aq) → H2O(l) + IO−(aq) [fast] (a) What is the overall equation? Select the single best answer. ClO−(aq) + I−(aq) ⇌ IO−(aq) + H2O(l) + Cl−(aq) ClO−(aq) + I−(aq) → IO−(aq) + H2O(l) + Cl−(aq) ClO−(aq) + I−(aq) → IO−(aq) + Cl−(aq) ClO−(aq) + I−(aq) ⇌ IO−(aq) +...