Homework Answers
1) Answer is - b. Addition of - b to both sides of the equation.
2) Answer is - delta(H). Addition of - delta(H) to both sides of equation.
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This question has multiple parts. Work all the parts to get the most points. Use the...
This question has multiple parts. Work all the parts to get the most points. a Consider...
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. a For...
This question has multiple parts. Work all the parts to get the most points. a For the reaction Pb(NO3)2(aq) + Na2SO4(aq) write the balanced formula equation. (Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank. If no reaction occurs, leave all boxes blank and click on Submit.) Submit
This question has multiple parts. Work all the parts to get the most points. Use the...
This question has multiple parts. Work all the parts to get the most points. Use the References to acces important valees if neded for this qeention The pH of a solution is defined by the equation pHlogH] H]-hydrogen ion concentration Use the rules for logarithms and exponents to solve for H Where in terms of pH Submit Relry Entine Grcsp 40
This question has multiple parts. Work all the parts to get the most points. a What...
This question has multiple parts. Work all the parts to get the most points. a What mass of silver chloride can be prepared by the reaction of 240.0 mL of 0.18 M silver nitrate with 240.0 mL of 0.15 M calcium chloride? Mass = 6.2 g Correct b Calculate the concentrations of each ion remaining in solution after precipitation is complete. (If no ions remain, leave the box blank and click on Submit.) Concentration of Agt = Concentration of Cl...
This question has multiple parts. Work all the parts to get the most points. A 0.054...
This question has multiple parts. Work all the parts to get the most points. A 0.054 L sample of 0.0160 M Ag2SO4 s added to 0.015 L of 0.0110 M PbCl2 a What is the net ionic equation for the reaction that occurs? (Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank.) + + + + --> + ...
need answer for part 2 Two-Step Algebra In a=-bc + Ind In order to solve the...
need answer for part 2
Two-Step Algebra In a=-bc + Ind In order to solve the equation above for b, you must: Step On 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 +In a-bc In d Correct In a=-bc + Ind In order to solve for b, you must: Step One Add (-n d) to both sides of the equation: Ina-Ind=-bc...
This question has multiple parts. Work all the parts to get the most points. Use bond...
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...
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...
This question has multiple parts. Work all the parts to get the most points. Consider the...
This question has multiple parts. Work all the parts to get the most points. Consider the following reaction: CH() +20,(g) → CO.() +2H0(1) AH=-891 kJ a calculate the enthalpy change if 230 g methane is burned in excess oxygen Enthalpy change b Calculate the enthalpy change if 2.15 x 10 methane gas at 741 torr and 25°C is burned in excess oxygen. The density of CH() at these conditions is 0.640 Enthalpy change kJ
References This question has multiple parts. Work all the parts to get the most points. 1...
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. 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. a For the reaction Pb(NO3)2(aq) + Na2SO4(aq) write the balanced formula equation. (Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank. If no reaction occurs, leave all boxes blank and click on Submit.) Submit
This question has multiple parts. Work all the parts to get the most points. Use the References to acces important valees if neded for this qeention The pH of a solution is defined by the equation pHlogH] H]-hydrogen ion concentration Use the rules for logarithms and exponents to solve for H Where in terms of pH Submit Relry Entine Grcsp 40
This question has multiple parts. Work all the parts to get the most points. a What mass of silver chloride can be prepared by the reaction of 240.0 mL of 0.18 M silver nitrate with 240.0 mL of 0.15 M calcium chloride? Mass = 6.2 g Correct b Calculate the concentrations of each ion remaining in solution after precipitation is complete. (If no ions remain, leave the box blank and click on Submit.) Concentration of Agt = Concentration of Cl...
need answer for part 2
Two-Step Algebra In a=-bc + Ind In order to solve the equation above for b, you must: Step On 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 +In a-bc In d Correct In a=-bc + Ind In order to solve for b, you must: Step One Add (-n d) to both sides of the equation: Ina-Ind=-bc...
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...
This question has multiple parts. Work all the parts to get the most points. Consider the following reaction: CH() +20,(g) → CO.() +2H0(1) AH=-891 kJ a calculate the enthalpy change if 230 g methane is burned in excess oxygen Enthalpy change b Calculate the enthalpy change if 2.15 x 10 methane gas at 741 torr and 25°C is burned in excess oxygen. The density of CH() at these conditions is 0.640 Enthalpy change kJ
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...
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