1. With the following equation calculate each of the first six energies, En in kJ/mol). Round your values to the ones p...
1. Calculate the energies in kJ/mol of the Het ion if: En = - 8400/n2 kJ/mol for the: 1st (ground state) quantum level . Het 3rd quantum level
please explain why 3. The first six ionization energies (kJ/mol) of a certain SECOND-ROW element are as follows: Ij = 1,086 12 = 2350 13 = 4620 14 = 6220 Is = 38,000 16 = 47,261 The most likely identity of this element is a) B b) 0 c) N d) Be e) C
Use bond energies, values of electron affinities, and the ionization energy of hydrogen (1312 kJ/mol) to estimate AH for the following reaction Bond Energies Electron Affinities H-F (565 kJ/mol) F() (-328 kJ/mol) H-CI (427 kJ/mol) C1(9) (-349 kJ/mol) -(295 kJ/mol) 1(9) (-295 kJ/mol) 0_H(467 kJ mol) OH(g) (-180. kJ/mol) H2O(g) + H+ (g) + OH (9) AHL b HCI(g) + H+ (g) + CI" (9) AH = kJ
39) A ficticious atom, Up, has the following ionization energies: 234 kJ/mol, 324 kJ/mol, 524 kJ/mol, 725 kJ/mol, 3187 kJ/mol, 4851 kJ/mol. What is the largest value of x expected in the following formula: UpCI, a) 1 b) 2 Explain the energetics of ionic bond formation and covalent bond formation When the two atoms sodium (Na) and chlorine (Cl) combine to make NaCl, one could imagine a number of steps that the atoms go through. For each of the steps...
Question Three (6 marks) The average bond energies (in kJ mol) are given in the table below. ?-? 351 | ?-? 610 0-0 152 | ?-? 496 | C-0365 | ?-? 740 | 0-11460 | ??? 840 | H-H 436 | CHI 413 1. Explain why bond energy values are always positive. Place the three bonds, C-H, H-Hand O-H, in the order of increasing bond length (shortest first) 2. 3. Calculate the enthalpy change of the reaction below using the...
Starting from the appropriate free energies of formation (provided below) calculate the values of ∆G° (in kJ) and E°cell (in V) at 298 K for the following reaction, 2 Na(s) + 2 H2O(l) <-----> 2 Na+(aq) + 2 OH-(aq) + H2(g) DfG°(Na(s)) = 0.00 kJ mol-1 DfG°(H2O(l)) = -237.13 kJ mol-1 DfG°(Na+(aq)) = -261.91 kJ mol-1 DfG°(OH-(aq)) = -157.24 kJ mol-1 DfG°(H2(g)) = 0.00 kJ mol-1
1. 1) luciferin+O2 ⇌ oxyluciferin+light 2) ATP⇌AMP+PPi ΔG∘=−31.6 kJ/mol If the overall ΔG∘ of the coupled reaction is -1.21 kJ/mol , what is the equilibrium constant, K, of the first reaction at 11∘C? Round your answer to 3 significant figures. 2. When methanol (CH3OH) is combusted, such as when in a gasoline blend, the following reaction occurs: 2CH3OH(l)+3O2(g)→2CO2(g)+4H2O(g) Based on the standard free energies of formation given, what is the standard free energy change for this reaction? Report the answer...
Table 1. Successive ionization energies for selected elements in kJ/mol. ps4_IE_table Calculate the energy required to form a single Mg2+ ion from a neutral magnesium atom in the gas phase. Provide your answer in aJ. Question 1 0/6 pts Table 1. Successive ionization energies for selected elements in kJ/mol. 3rd 4th Number 2 3 9 11 12 Symbol Не Li F Na Mg Name helium lithium fluorine sodium magnesium 1st 2372.3 520.2 1681.0 495.8 737.7 2nd 5250.5 7298.1 2274.2 4562...
e standen med en ganger The standard molar enthalpy of formation of CIF3 is -405 kJ. 1/2 Ch(g) + 3/2 F2(g) → CIF 3(g) The bond energies of Ch and F2 are 243 kJ and 159 kJ/mol, respectively. Calculate the energy of a CHF bond. a) 188 kJ/mol b) 255 kJ/mol c) 375 kJ/mol d) 563 kJ/mol e) 807 kJ/mol 1923 . cepentinely couporabimo
() Calculate AGⓇ for the following reaction at 298 K. The AGP values are 0 kJ/mol for C12(e) -325 kJ/mol for Cisce), and -286 kJ/mol for PC13(e). PC1518) PC3(8) + Cl2(g) (b) Calculate AG at 298 K for the reaction if the partial pressures are PC120,40 atm, PPC13 -0.27 atm, and PPCi5 -0.0029 atm.