This question has multiple parts. Work all the parts to get the most points. Consider the...
Consider the following reaction. CH4(g) + 2 O2(g) - CO2(g) + 2 H20(1) AH = -891 kJ Calculate the enthalpy change for each of the following cases. (a) 2.00 g methane is burned in excess oxygen. Гk (b) 2.00 x 103 L methane gas at 743 torr and 25°C is burned in excess oxygen.
4. Given the reaction: CH4 (8) + 2 O2(g) → CO2 (g) + 2 H20 (8) where AH = -891 kJ Calculate the enthalpy change if 1.00 g of methane (CH) is burned in excess oxygen.
This question has multiple parts. Work all the parts to get the most points. a Consider the reaction: Ca(s) +2 H20(1) - Ca(OH)2(aq) +2H2(g) AH:º(kJ/mol -285.83 -1002.82 S°(J/K) mol 41.59 69.95 -74.5 130.7 What are the values of AH°, ASand AG° AH° kJ/mol AS° = J/K.mol AG° = kJ/mol Submit Submit Answer Try Another Version 6 item attempts remaining
This question has multiple parts. Work all the parts to get the most points. 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(9) (-328 kJ/mol) H-CI (427 kJ/mol) C1(9) (-349 kJ mol) H-I (295 kJ/mol) [(9) (-295 kJ/mol) 0-H (467 kJ/mol) OH(9) (-180. kJ/mol) a H20(g) → H*(g) + OH (9) AH = kJ 6 HC1(9) + H*(9) +...
This question has multiple parts. Work all the parts to get the most points. Table of Bond Dissociation Enthalpies C-H bond BDE (kJ/mol) C-X bond BDE (kJ/mol) X, and HX bonds BDE (kJ/mol) CH3-H 439 CH3-F 481 F2 157 C2H3-H 422 HF 568 (CH3)2 CH-H 414 (CH3)3C-H 405 C2H5-F 472 (CH3)2 CH-F 464 (CH3)3 C-F 455 CH3 CH3 CH3CHCHCH3 digne a CH3CHCH2CH3 + F2 F + HF Using the table of bond dissociation energies in the first part of this...
References This question has multiple parts. Work all the parts to get the most points. Consider the formation of NO(g) from its elements N2(g)+O2(8)2 NO(B) Compound AyH (kJ/mol) S (J/mol K) A,G (kJ/mol) N2(8) 0 191.56 0 O2(8) 205.07 0 0 NO(8) 90.29 210.76 86.58 a Calculate K, at 25 °C. K, at 25 °C- 44332x10-31 bAssuming A, H and A, S" are nearly constant with temperature, calculate A,G at 716 °C. Estimate K, from the new value of A,G"...
References This question has multiple parts. Work all the parts to get the most points. 1 pt 1 pt 1 pt 1 pt Consider the formation of NO(g) from its elements. N2(g) + O2(g) = 2 NO(g) Compound A;H* (kJ/mol S* (J/mol-K) N2(g) 191.56 O2(g) 205.07 NO(g) 90.29 210.76 A,G* (kJ/mol) 1 pt 1 pt 1 pt 1 pt a Calculate Ko at 25°C. K, at 25 °C = 4.4332x10^-31 1 pt 1 pt Correct 1 pt The standard enthalpy...
This question has multiple parts. Work all the parts to get the most points. 1 pt 1 pt Table of Bond Dissociation Enthalpies C-H bond BDE (kJ/mol) C-X bond BDE (kJ/mol) X, and HX bonds BDE (kJ/mol) CH3-H 439 CH3-I 242 1 151 CH-H 422 CH3-1 238 HI 297 (CH3)2 CH-H 414 (CH), CH-I 238 (CH3),C-H 405 (CH),C-I 234 CH3 CH3CCH2CH3 CH3 CH3CHCH2CH3 HI Using the table of bond dissociation energies in the first part of this question: Calculate AH...
This question has multiple parts. Work all the parts to get the most points. Use the References to access important values if needed for this question Two-Step Algebra a=b- od In order to solve the equation above for d, you must: Step Onc Add the same expression to each side of the equation to leave the term that includes the variable by itself on the right-hand side of the expression += +b-cd Submit Submit Answer R etry Entire Group 8...
This question has multiple parts. Work all the parts to get the most points. C-H bond BDE (kJ/mol CH3-H 439 C,H-H 422 (CH3)2 CH-H 414 (CH3),C-H 405 Table of Bond Dissociation Enthalpies C-X bond BDE (kJ/mol) X, and HX bonds BDE (kJ/mol) CH3-1 242 I, 151 C2H5-I 238 HI 297 (CH3)2CH-I 238 (CH3),C-I 234 CH3 CH3 CH3CHCHCH3 CH3CHCH2CH3 + I, + HI Using the table of bond dissociation energies in the first part of this question: Calculate AH for this...