3 C2H2(g) → CHo(g)What is the standard enthalphy change AH°, for the reaction represented above?(AH®7of C2H2(g) is 230 kJ mol-1;(AH®5of€CGH6(g) is 83 kJ mol-1:)(A) -607 kJ(B) -147 kJ(C)(C) -19 kJ(D) +19 kJ(E) +773 kJ

Answered: Image /qna-images/answer/fb4e8aa7-8adf-4f8a-8633-36b76e94ed91.jpg

Answered: 3 C2H2(g) – CHolg) What is the standard…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Calculate the AH° for the reaction: 2C2H6 (g) + 7 O2 (g) 4CO2 (g) + 6H2O (g) Using the following thermochemical data: 2C (s) + 3H2 (g) C2H6 (g) AHO = - 84.5 kJ 2H2 (g) + O2 (g) 2H20 (1) AH° = - 571.5 kJ %3D H20 (g) H20 (I) AH = - 44.0 kJ CO2 (g) C (s) + O2 (g) AH = + 393.5 kJ Units don't need to be typed in the answer. Add negative sign (-) if the answer is negative (eg. -23.96)
Given that the heat of formation for AgNO3 (s) is -124.4 kJ/mol, At standard conditions, what is dH when 56g of AgNO3 (M = 169.9 g/mol) reacts?
In the following reaction AH° = -3351 kJ is reaction. 11. and therefore heat is by the 4Al (s) + 30, (g) → 2Al,O; (s) exothermic, released exothermic, absorbed endothermic, released endothermic, absorbed A) D)
You are given the follwing themochemical data: Reation one: Pb(s) + 1/2 O2(g)--> PbO(s) Hrxn1=-219kJ Reaction Two: C(s,graphite) + O2(g)--> CO2(g) Hrxn2= -394kJ Reaction Three: PbCO3(s)--> PbO (s) + CO2(g) Hrxn3= 86kJ Reaction Four: Pb (s) + C(s, graphite) + 3/2 O2 (g)--> PbCO3(s) Hrxn= ? Based on the equation above how much heat is involved when 32g of oxygen gas reacts to produce lead (2) carbonate?
Using Hess's Law, determine AHf ° for CH4 based on the following reactions. It is known that when methane combustion takes place, 802.37 kJ / mol of heat is released Cgrafito + 2H2 CH4(g) CH4(9) + 202(9) CO29) + 2H2O) A¢H°= -802.37 kJ/mol Cgrafito + O2(g) CO2(g) A:H°= -393.5 kJ/mol 2H2(9) + O2(9) 2H2O(9) A¡H°= -241.83 kJ/mol
The value of AH° for the reaction below is 128.1 kJ CH,OH -Co, + 2H (1) 2(g) 2(g) How may kJ of heat are consumed when 10.1 g of H2(g) is formed as shown in the equation? Given that the atomic mass of C = 12.01 g/mol, H = 1.008 g/mol, O = 16.00 g/mol Show your answers in TWO (2) decimal places. Do not include the units in your final answers.
Use the standard reaction enthalpies given below to determine AH° rxn 4 SO3(g) →4 S(s) + 602(g) AH°rxn = ? Given: SO2(g) →S(s) + O2(8) 25O2(g) + O2(g) →2SO3(g) 1583 kJ -494.6 kJ -791.4 kJ -293.0 kJ -692.4 kJ AH rxn = +296.8 kJ ΔΗ°, rxn = -197.8 kJ for the following reaction
Calculate the ΔHo for methane gas , CH4, produced from graphite and hydrogen gas according to the following reaction: C(graphite) + 2H2(g) à CH4(g) Data given: C(graphite) + O2(g) à CO2(g) ΔHo= -393.5 kJ H2(g) + ½ O2(g) à H2O(l) ΔHo= - 285.8 kJ CH4(g) + 2O2(g) à CO2(g) + 2H2O(l) ΔHo = -890.4kJ
The vaporization of Br2 from the liquid to the gas state requires 7.4 kcal/mol (31.0 kJ/mol). (a) What is the sign of AH for this process? Write a reaction showing heat as a product or reactant.
6- (change in enthalpy is the same Wither the reaction occurs in one step or chain of steps) this statement is O a- Some times true. O c- Always true. b- Usually true. Od- Not true.
The combustion reaction of isopropyl alcohol is: C3H7OH(1) + 02 (9) → 3 CO2 (g) + 4 H20(1)
Calculate the ΔHo for methane gas , CH4, produced from graphite and hydrogen gas according to the following reaction: C(graphite) + 2H2(g) à CH4(g) Data given: C(graphite) + O2(g) à CO2(g) ΔHo= -393.5 kJ H2(g) + ½ O2(g) à H2O(l) ΔHo= - 285.8 kJ CH4(g) + 2O2(g) à CO2(g) + 2H2O(l) ΔHo = -890.4kJ

SEE MORE QUESTIONS

Recommended textbooks for you

Chemistry

ISBN:

9781305957404

Author:

Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:

Cengage Learning

Chemistry

ISBN:

9781259911156

Author:

Raymond Chang Dr., Jason Overby Professor

Publisher:

McGraw-Hill Education

Principles of Instrumental Analysis

Chemistry

ISBN:

9781305577213

Author:

Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:

Cengage Learning

Chemistry

ISBN:

9781305957404

Author:

Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:

Cengage Learning

Chemistry

ISBN:

9781259911156

Author:

Raymond Chang Dr., Jason Overby Professor

Publisher:

McGraw-Hill Education

Principles of Instrumental Analysis

Chemistry

ISBN:

9781305577213

Author:

Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:

Cengage Learning

Organic Chemistry

Chemistry

ISBN:

9780078021558

Author:

Janice Gorzynski Smith Dr.

Publisher:

McGraw-Hill Education

Chemistry: Principles and Reactions

Chemistry

ISBN:

9781305079373

Author:

William L. Masterton, Cecile N. Hurley

Publisher:

Cengage Learning

Elementary Principles of Chemical Processes, Bind…

Chemistry

ISBN:

9781118431221

Author:

Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard

Publisher:

WILEY

SEE MORE TEXTBOOKS

3 C2H2(g) – CHolg) What is the standard enthalphy change AH°, for the reaction represented above? (AH°rof C,H2(g) is 230 kJ mol-1; (AH®sof CgHs(g) is 83 kJ mol-1:) (A) -607 kJ (B) -147 kJ (C) -19 kJ (D) +19 kJ (E) +773 kJ