The Ecell of a reaction was found to be +0.78 V. What is the AG° of the reaction? ne = 1 mol O +75.26 K O +75260 J O -75260 KU O -75.26 KJ O none of the above
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- Q26-C (i) Explain pyrolysis process.81.6 g of a metal alloy was heated to 93 o C, then plunged into 105 mL of H 2O that was at 19.5 o C. The system equilibrated at 22.3 oC. What is the specific heat of the metal?A coffee-cup (constant pressure) calorimeter is used to carry out the following reaction in 63.5 mL water (where X is a hypothetical metal): X + 2 HCl → XCl2 + H2 In this process, the water temperature rose from 25.0 °C to 34.1 °C. If 0.00618 mol of "X" was consumed during the reaction, what is ΔrH of this reaction in kJ mol-1 with respect to "X"? The specific heat of water is 4.184 J g-1 °C-1 Express in 2 sig digs!
- What is the entropy at SATP of a reaction where ∆Hºrxn=12.5 kJ and Keq=32.1?Given the following information, Calculate delta G(degree). Give your answer in kJ. 3Ag+ (aq) + Cr (s) → 3 Ag (s) + Cr3+ (aq) __________________________________________ Ag+(aq) + 1 e- → Ag (s) 0.80 V Cr3+(aq) + 3 e - → Cr (s) -0.74 VDevelop a general equation for the standard heat of reaction as a function of temperature for one of the reactions given in parts (a), (b), (c) a. CO2(g) + 3H2(g) → CH3OH(g) + H2O(g) b. CH3OH(g) + 1/2O2(g) → HCHO(g) + H2O(g) c. 2H2S(g) + 3O2(g) → 2H2O(g) + 2SO2(g)
- Develop a general equation for the standard heat of reaction as a function of temperature for one of the reactions given in parts (a), (b) a. C6H5C2H5(g) → C6H5CH:CH2(g) + H2(g) b. C(s) + H2O(l) → H2(g) + CO(g)Develop a general equation for the standard heat of reaction as a function of temperature for one of the reactions given in parts (a), (b) a. CO2 (g) + 3H2 (g) → CH3OH(g) + H2O(g) b. C2H2 (g) + H2O(g) → ⟨(CH2)2⟩O(g)Develop a general equation for the standard heat of reaction as a function of temperature for one of the reactions given in parts a, b, c a. N2(g)+3H2(g) → 2NH3(g) b. 4NH3(g) +5O2(g) → 4NO(g)+6H2O(g) c. 2Na(s)+2H2O(g) →2NaOH(s)+H2(g)
- If Kc is 3.70x108 at 298K for the reaction N2(g) + 3 H2(g) --> 2 NH3 (g) what is Kp ?Calculate the enthalpy of solution for the dissolution of lithium iodide, LiI, molar mass = 133.85 g mol-1. When 1.49 g of LiI is dissolved in a coffee cup calorimeter containing 75.0 mL of water the temperature increased from 23.5 °C to 25.7 °C. The specific heat of water is 4.184 J g-1 °C-1, and assume the density of the solution is 1.00 g mL-1. -62 kJ mol-1 -39 kJ mol-1 30 kJ mol-1 -76 kJ mol-1 18 kJ mol-1Calculate the equilibrium constant at 25 °C for each of the following reactions from the value of ΔG° given.(a) I2(s) + Cl2(g) ⟶ 2ICl(g) ΔG° = −10.88 kJ(b) H2(g) + I2(s) ⟶ 2HI(g) ΔG° = 3.4 kJ(c) CS2(g) + 3Cl2(g) ⟶ CCl4(g) + S2 Cl2(g) ΔG° = −39 kJ(d) 2SO2(g) + O2(g) ⟶ 2SO3(g) ΔG° = −141.82 kJ(e) CS2(g) ⟶ CS2(l) ΔG° = −1.88 kJ