Homework Answers
∆Hrxn = total heat of formation of products - total heat of formation of reactants.
∆Hrxn = -1322.9 kJ
Please go through attached image for detailed explanation.
Add Answer to:
03 Question (1 point) Estimate the Hºrn of the following reaction at 221°C and standard pressure....
mm 11/18/19 su 82% Calculate the Sºn of the following reaction at 217°C and standard pressure....
mm 11/18/19 su 82% Calculate the Sºn of the following reaction at 217°C and standard pressure. 3rd attempt Feedback See Periodic CH,(g) +302(8) 2002 (8) +24,0 (8) AH", kJ/mol 52.3 0 S", J/mol K 219.5 AG®, kJ/mol 68.1 205.0 0 C2H4(g) O2(8) CO2(g) H2O(g) -393.5 213.6 -394.4 -241.8 188.7 - 228.6 J/mol K 28 OF 29 QUESTIONS COMPLETED < 1729 > + VIEW SOLUTION
Calculate the ASn of the following reaction at 217°C and standard pressure. 1st attempt lui See Periodic Table C2H,...
Calculate the ASn of the following reaction at 217°C and standard pressure. 1st attempt lui See Periodic Table C2H,(8) +302(8) ► 2009 (8) + 2H,0(3) S",J/molek 219.5 AG®, l/mol 68.1 AH", IJ/mol CaHa(g) 52.3 O2(e) 10 CO2(8) -393.5 H2O(s) -241.8 205.0 213.6 -3944 188.7 228.6 J/mol. 14 OF 29 QUESTIONS COMPLETED < 17,29 >
23. Question (1 point) W Calculate the free-energy change of the following reaction at 221°C: C2H(g)...
23. Question (1 point) W Calculate the free-energy change of the following reaction at 221°C: C2H(g) +302(g) → 2002(g) + 2H20(g) A Hºt, kJ/mol 52.3 Sº, J/mol K 219.5 C2H4(g) O₂(g) CO2(g) H2O(g) -393.5 205.0 213.6 188.7 -241.8 1st attempt
please explain step by step. 1. Using the data in Study Sheet No. 34, calculate the...
please explain step by step.
1. Using the data in Study Sheet No. 34, calculate the following for the combus- tion of 1.00 mole of C H (1) at 25°C. AH, C H (1) = 49.04 kJ/mol. a) The heat flow at a constant pressure of 1.00 atm. b) The heat flow at constant volume. c) The work at a constant pressure of 1.00 atm. d) The work at a constant volume. bordo APPENDIXO-GENERAL CHEMISTRY STUDY SHEETS GENERAL CHEMISTRY STUDY...
Consider the reaction 2 CO2(g) +5 H2(e) C H2(e) + 4H2O(g) Using the standard thermodynamic data...
Consider the reaction 2 CO2(g) +5 H2(e) C H2(e) + 4H2O(g) Using the standard thermodynamic data in the tables linked above, calculate the equilibrium constant for this reaction at 298.15K ANSWER: Submit Answer Retry Entire Group more group attempts remaining AH,(kJ/mol) AG® (kJ/mol) Sº (J/mol K) -238.7 -116.0 126.8 219.0 -363.0 249.0 135.1 -166.3 -110.0 -351.0 125.0 209.2 68.2 - 129.0 202.0 226.7 200.9 52.3 - 166.0 -53.0 -277.7 219.6 250.0 242.0 160.7 -13.0 -235.1 282.7 Carbon CH3OH (1) H2CO...
Consider the following reaction. CH,(8) + 30,(8) 200,(g) + 2 H2O(g) Compound C, H.() 0,(g) CO2(g)...
Consider the following reaction. CH,(8) + 30,(8) 200,(g) + 2 H2O(g) Compound C, H.() 0,(g) CO2(g) H2O(g) AH; (kJ/mol) 52.4 0 -393.5 -241.8 What is the AH of the reaction? -687.7 kJ/mol -1323.0 kJ/mol -1218.2 kJ/mol 1323.0 kJ/mol
20. What is the standard enthalpy change for the following reaction? 3CH.(g) + 40,(g) - 3C02(g) + 6H2O(g) AH® (kJ/m...
20. What is the standard enthalpy change for the following reaction? 3CH.(g) + 40,(g) - 3C02(g) + 6H2O(g) AH® (kJ/mol) CHig) - 74.87 03(g) +142.7 CO2(g) --393.5 H2O(g) -241.8 a. -2285.1 kJ b.-2977.5 kJ c. +2977.5 kJ d. +2285.1 kJ e. -3426.5 kJ
Practice with Hess's Law and Standard Heats of Formation 1. (Example) The reaction C He(g) +...
Practice with Hess's Law and Standard Heats of Formation 1. (Example) The reaction C He(g) + 6 F2 (g) → 2 CF4(g) + 4 HF (9) can be written as the sum of: CH4 (9) ► 2 C(s) + 2 Ha(o) AH = -52.3 kJ/mol 2 C(s) + 4 Faq) → 2 CF4g) SH -1380 kJ/mol 2 Haq) + 2 Fala) > 4 HF HE.1074 kJimol CsHe(g) + 6 F2 (g) → 2 CF.(g) + 4 HF (g) AH =...
Question 3 Propane (C3Hg) undergoes combustion according to the following thermochemical equation: C3H8(g) + 5 O2(g)...
Question 3 Propane (C3Hg) undergoes combustion according to the following thermochemical equation: C3H8(g) + 5 O2(g) - 3 CO2(g) + 4H2O(g) AHrxn=-2043.0 kJ Substance Heat of Formation (kJ/mol) CO2(g) -393.5 H2O(g) -241.8 O2(g) 0 C3H8(g) ? Calculate the standard enthalpy of formation of propane C3Hg a. -104.7 kJ/mol O b. +1407.7 kJ/mol O C. -1407.7 kJ/mol O d. +104.7 kJ/mol o e. -4190.7 kJ/mol uestion 4 Consider the evaporation of liquid water to water vapor at 125°C. What is true...
Need some assistance with the following question: Thanks! 3. A reaction that occurs in the internal...
Need some assistance with the following question:
Thanks!
3. A reaction that occurs in the internal combustion engine is N2(g)O2(g)2 NO(g) (a) Determine ΔΗ0nn and Sonn for the reaction at 298K. (b) Assuming that these values are relatively independent of temperature (probably not a good assumption over such a large temperature range, but we'll pretend), calculate Gonn at 100°C, 3540°C, and 8000°C. (c) At what temperature would this reaction become spontaneous? Relevant Thermodynamic Data at 25 C AH, (kJ /mol)...
mm 11/18/19 su 82% Calculate the Sºn of the following reaction at 217°C and standard pressure. 3rd attempt Feedback See Periodic CH,(g) +302(8) 2002 (8) +24,0 (8) AH", kJ/mol 52.3 0 S", J/mol K 219.5 AG®, kJ/mol 68.1 205.0 0 C2H4(g) O2(8) CO2(g) H2O(g) -393.5 213.6 -394.4 -241.8 188.7 - 228.6 J/mol K 28 OF 29 QUESTIONS COMPLETED < 1729 > + VIEW SOLUTION
Calculate the ASn of the following reaction at 217°C and standard pressure. 1st attempt lui See Periodic Table C2H,(8) +302(8) ► 2009 (8) + 2H,0(3) S",J/molek 219.5 AG®, l/mol 68.1 AH", IJ/mol CaHa(g) 52.3 O2(e) 10 CO2(8) -393.5 H2O(s) -241.8 205.0 213.6 -3944 188.7 228.6 J/mol. 14 OF 29 QUESTIONS COMPLETED < 17,29 >
23. Question (1 point) W Calculate the free-energy change of the following reaction at 221°C: C2H(g) +302(g) → 2002(g) + 2H20(g) A Hºt, kJ/mol 52.3 Sº, J/mol K 219.5 C2H4(g) O₂(g) CO2(g) H2O(g) -393.5 205.0 213.6 188.7 -241.8 1st attempt
please explain step by step.
1. Using the data in Study Sheet No. 34, calculate the following for the combus- tion of 1.00 mole of C H (1) at 25°C. AH, C H (1) = 49.04 kJ/mol. a) The heat flow at a constant pressure of 1.00 atm. b) The heat flow at constant volume. c) The work at a constant pressure of 1.00 atm. d) The work at a constant volume. bordo APPENDIXO-GENERAL CHEMISTRY STUDY SHEETS GENERAL CHEMISTRY STUDY...
Consider the reaction 2 CO2(g) +5 H2(e) C H2(e) + 4H2O(g) Using the standard thermodynamic data in the tables linked above, calculate the equilibrium constant for this reaction at 298.15K ANSWER: Submit Answer Retry Entire Group more group attempts remaining AH,(kJ/mol) AG® (kJ/mol) Sº (J/mol K) -238.7 -116.0 126.8 219.0 -363.0 249.0 135.1 -166.3 -110.0 -351.0 125.0 209.2 68.2 - 129.0 202.0 226.7 200.9 52.3 - 166.0 -53.0 -277.7 219.6 250.0 242.0 160.7 -13.0 -235.1 282.7 Carbon CH3OH (1) H2CO...
Consider the following reaction. CH,(8) + 30,(8) 200,(g) + 2 H2O(g) Compound C, H.() 0,(g) CO2(g) H2O(g) AH; (kJ/mol) 52.4 0 -393.5 -241.8 What is the AH of the reaction? -687.7 kJ/mol -1323.0 kJ/mol -1218.2 kJ/mol 1323.0 kJ/mol
20. What is the standard enthalpy change for the following reaction? 3CH.(g) + 40,(g) - 3C02(g) + 6H2O(g) AH® (kJ/mol) CHig) - 74.87 03(g) +142.7 CO2(g) --393.5 H2O(g) -241.8 a. -2285.1 kJ b.-2977.5 kJ c. +2977.5 kJ d. +2285.1 kJ e. -3426.5 kJ
Practice with Hess's Law and Standard Heats of Formation 1. (Example) The reaction C He(g) + 6 F2 (g) → 2 CF4(g) + 4 HF (9) can be written as the sum of: CH4 (9) ► 2 C(s) + 2 Ha(o) AH = -52.3 kJ/mol 2 C(s) + 4 Faq) → 2 CF4g) SH -1380 kJ/mol 2 Haq) + 2 Fala) > 4 HF HE.1074 kJimol CsHe(g) + 6 F2 (g) → 2 CF.(g) + 4 HF (g) AH =...
Question 3 Propane (C3Hg) undergoes combustion according to the following thermochemical equation: C3H8(g) + 5 O2(g) - 3 CO2(g) + 4H2O(g) AHrxn=-2043.0 kJ Substance Heat of Formation (kJ/mol) CO2(g) -393.5 H2O(g) -241.8 O2(g) 0 C3H8(g) ? Calculate the standard enthalpy of formation of propane C3Hg a. -104.7 kJ/mol O b. +1407.7 kJ/mol O C. -1407.7 kJ/mol O d. +104.7 kJ/mol o e. -4190.7 kJ/mol uestion 4 Consider the evaporation of liquid water to water vapor at 125°C. What is true...
Need some assistance with the following question:
Thanks!
3. A reaction that occurs in the internal combustion engine is N2(g)O2(g)2 NO(g) (a) Determine ΔΗ0nn and Sonn for the reaction at 298K. (b) Assuming that these values are relatively independent of temperature (probably not a good assumption over such a large temperature range, but we'll pretend), calculate Gonn at 100°C, 3540°C, and 8000°C. (c) At what temperature would this reaction become spontaneous? Relevant Thermodynamic Data at 25 C AH, (kJ /mol)...
Most questions answered within 3 hours.
-
What is meant by a “term premium”?
What can explain such a premium? Is it a...
asked 1 hour ago -
23. Which molecule has only covalent bonds? A. CO2 B. Al2O3 C.
Mg3N2
24. The octet...
asked 1 hour ago -
the
total pressure for a mixture of N2O4 and NO2 is 2.20 atm. If Kp=
7.10...
asked 1 hour ago -
Delaware Corp. prepared a master budget that included $22,385
for direct materials, $28,600 for direct labor,...
asked 1 hour ago -
For pesticide HCB (hexachlorobenzene), its logarithmic partition
coefficient log Kow is 5.6. What would be the...
asked 1 hour ago -
A chemist requires 0.422 mil Na2CO3 for a reaction. How many
grams does this correspond to?
asked 2 hours ago -
If the vapor pressure of carvone is approximately 9.4 torr at 99
°C, approximately how much...
asked 2 hours ago -
A juice bottling company is carrying out a test at 10%
significance that the mean population...
asked 2 hours ago -
What is the reflectivity (in percent) needed to keep water at a
temperature near its freezing...
asked 2 hours ago -
Suppose that the average surface temperature of Earth is 300K.
Assume this is uniform over its...
asked 2 hours ago -
Draw the condensed structural formula for alkenes and alkynes or
the line-angle structural formula for cycloalkenes...
asked 2 hours ago -
M. Laing has suggested a new arrangement of the periodic table
(J.Chem.Ed.1989, 66,
746). Answer the following...
asked 2 hours ago