Part 2 (0.3 pt) Calculate the change in energy required in making 56.0 mL of water from its elements under standard...
(b) Why is the magnitude of this value so much larger than the heat of vaporization of water (AH°vap = 41 kJ/mol)? * Choose one: A. Less energy is needed to form attractive forces between water molecules than to break H-H and O-O bonds and form H-O bonds. O B. More energy is needed to form attractive forces between water molecules than to break H-Hand O-O bonds and form H-O bonds. o C. Less energy is needed to break attractive...
If 7.3 kJ of energy are required to change the temperature of water from 5.0°C to 70.0°C, what was the volume of water? (cs = 4.184 J/(g ⋅ °C), d = 1.00 g/mL) 110 mL 75 mL 37 mL 0.73 mL 27 mL
calculate the change in free energy as ethanol burns under standard conditions Practice 12.6 Calculating AGPxn Using Appropriate AG Values . Using the appropriate standard free energy of formation values calculate the change in free energy as ethanol burns under standard conditions. CH,CH,OH(0) + 3 O2(g) + 2 CO2(g) + 3 H 0(0)
The standard enthalpy of formation of gaseous water from its elements is -241.8 kJ/mol. H 2(g) + ½ O 2(g) → H 2O(g) What is the enthalpy change when 3 moles of hydrogen form?
Calculate the standard free energy change for the combustion of one mole of methane using the values for standard free energies of formation of the products and reactants. The sign of the standard free energy change allows chemists to predict if the reaction is spontaneous or not under standard conditions and whether it is product-favored or reactant-favored at equilibrium. kJ/ mol-rxn
Calculate the free energy change under nonstandard state conditions. Close Problem Use standard thermodynamic data (in the Chemistry References) to calculate G at 298.15 K for the following reaction, assuming that all gases have a pressure of 13.54 mm Hg. CO(g) + Cl2(g)COCl2(g) G = kJ/mol
21A. Calculate the standard free energy change, AGºat 298 K for the reaction 2COXg) + 2NO(g) -2CO(g) + N:(g) The standard free energy of formation for CO is - 137 kJ, for NO it is 87.6 kJ/mol and for CO, it is -394 kJ/mol. B. Calculate the free energy change. AG. at 298 K. given that the partial pressure of CO is 5.0 atm, that of NO is 4.0 atm, that of CO, is 3.0 atm & that of N,...
Calculate the equilibrium constant from the standard free energy change. Using standard thermodynamic data (linked), calculate the equilibrium constant at 298.15 K for the following reaction 2502(g) + O2(0) 2503(9) AH°F (kJ/mol) AGⓇ, (kJ/mol sº (/mol K) 205.1 Oxygen 02(0) (9) O3(9) 249.2 231.7 161.1 142.7 163.2 238.9 AH°: (kJ/mol Agºr (kJ/mol) 5° (J/mol K) 31.8 0.3 0.3 278.8 3 3.0 167.8 33.0 - 15.0 Sulfur S(s, rhombic) S(s, monodinic) S(g) Sz"(aq) Sg(9) SzCl2(g) SF6(9) H2S(9) soz(9) SO3(0) 1 0....
18. How much energy is needed to change the temperature of 25.00 mL of water from 10.0°C to 95.0°C? (c 4.1 84 J/(g·°C), d = 1 .00 g/mL) a. 160 k b. 2,880 kJ c. 8.9 k d. 6.4 kJ c. 105 k
Need help with the second part please Calculate the standard change in Gibbs free energy, AGan, for the given reaction at 25.0 °C. Consult the table of thermodynamic properties for standard Gibbs free energy of formation values. NH CI(s) NH(aq) + CI (aq) kJ/mol -7.67 AGa Determine the concentration of NHt (aq) if the change in Gibbs free energy, AG. for the -9.61 kJ/mol. м INH 676 Enter numeric value