Electrolysis to produce hydrogen requires 500 kJ for every mol of H 2. How much energy...
Part A: Draw the Lewis structures of all the molecules involved in the reaction: N2(g)+3H2(g)→2NH3(g) Part B: If the bond energy for the N≡N bond is 946 kJ/mol, how much energy is needed to break all the bonds in 3.0 mol of nitrogen molecules? Part C: If the bond energy for the H−H bond is 432 kJ/mol, how much energy is needed to break all the bonds in 9 hydrogen gas? Part D: If the bond energy for the N=H...
1.. Suppose that you shine light of energy 1050 kJ/mol on an H atom in the ground state. What happens to the light and to the electron? Group of answer choices a. The light is not absorbed and the final energy of the electron is -1312 kJ/mol. b.. The light is absorbed and the final energy of the electron is −328 kJ/mol. c.. The light is not absorbed and the final energy of the electron is −1050 kJ/mol. d.. The...
how much hydrogen (h2) must react with o2 in order to release 587.9kj of energy? the reaction is - h2(g) + 1/2o2(g)-> h2o(l); delta H = -285.8 kj a)4.147 g b)2.073 g c).2412 g d)6.162 g e)2.131g
AHºf (kJ/mol) AG°f (kJ/mol) Sº (J/mol K) 0 0 130.7 Hydrogen H2 (g) H (g) H' (g) H+ (aq) 218.0 203.2 114.7 1536.2 0 -230.0 -157.0 -11.0 -285.8 -237.1 69.9 OH(aq) H20 (1) H20 (g) H2O2 (1) -241.8 -228.6 188.8 -187.8 -120.4 109.6 Iodine AH.(kJ/mol). | AGO. (k.I/mol) go (I/mol K | -53.0 -13.0 242.0 -277.7 -174.8 160.7 282.7 -235.1 -484.0 160.0 C2H40 (g, ethylene oxide) CH3CH2OH (1) CH3CH2OH (g) CH3COOH (1) C2H6 (g) C3H6 (g) CzH; (g) CH2=CHCN (1)...
6. Answer the following questions regarding the reaction below. a. How many grams of hydrogen would be needed to produce 5.450 x 106 kJ of energy? Assume excess oxygen? How many grams of oxygen would be needed to produce 2.725 x 106 kJ of energy? Assume excess hydrogen? Determine the value of q for the formation of 6.542 grams of water. Determine the value of q for the conversion of 6.542 grams water into hydrogen and oxygen gas. b. c....
Name: Quiz 9 CHE 1030 1. Using the following bond energies Bond Energy (kJ/mol) 839 413 495 799 467 Bond C-H O-0 C-O O-H estimate the heat of combustion for 1 mol of acetylene: C2H2(g)+ O2(g) → 2CO2(g)+H2O(g) 2. Using the following data reactions: H2(g) + Cl2(g) → 2HCl(g) H2(g) → 2H(g) Cl2(g) 2CIg) AP (kJ) -184 432 239 calculate the energy of an H-Cl bond.
2. A reaction proceeds with ∆ H = -60 kJ/mol. The energy of activation of the uncatalyzed reaction is 140 kJ/mol, whereas it is 85 kJ/mol for the catalyzed reaction. How many times faster is the catalyzed reaction than the uncatalyzed reaction at 25°C? Express your answer in scientific notation to two significant figures
Calculate ΔH° in kJ/mol for the reaction of 2-butene vapor with
hydrogen gas to form butane gas. Be sure to balance the reaction
using the lowest whole numbers
95 96 97 98 99 100 C_H(g, cyclobutane) C_H(g, 2-butene) C4H10 (1, butane) C4H10 (g, butane) C3H10 (1, cyclopentane) C3H10 (g, cyclopentane) 26.7 -11.2 -147.3 –125.7 -105.8 -77.2 101 C3H10 (g, 1-pentene) 102 C3H10 (g, 2-pentene) AH° (kJ/mol) -20.9 -31.8 102 Cu 10 3 Hydrogen O. 0 203.2 218.0 1536.2 1503.8 0...
1) The standard enthalpy and free energy of formation ofH,O(g) arc -241.8 kJ/mol and-228.8 kJ/mol, respectively. What will be the AG of the following reaction at 100 °CifASis NOT independent of tcmpcraturc? State any assumption(s) you may need for the calculation. 2 H.(g)+0(g)2HO (8) △6873ド) (You may need the following: at 25°C the molar hcat capacity of gascous water is 33.76 J K1 mol at constant pressure; for the diatomic gas H2 and O;, the molar C (5/2)R.)
tem 22 Part A How much energy (in kJ) is required to ionize 2.52 moles of hydrogen atoms? 0 1.524 103 kJ O 1.65 x 103 kJ O 3.31 x 103 kJ 5.89 x 103 kJ ) 5.49 x 103 kJ Submit