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1. + 0.25/0.75 points Previous Answers My Notes + Ask Your Teacher Use the Bond Energies...
Use the Bond Energies Table to estimate the enthalpy change in each of the following reactions....
Use the Bond Energies Table to estimate the enthalpy change in each of the following reactions. (Enter your answer to the nearest integer.) (a) CH4(g) C(g) 2 H2(g) 4.0 X kJ/mol (b) ICH3(g) + H20(g) H3COH(g) HI(g) 4.0 X kJ/mol HC CH(g)2 H2(g)H3C-CH 3 (g) (c) 4.0 X kJ/mol
Already posted this question but it was wrong the other times ;( Consider the following gas phase reaction. D B—A=A—B +...
Already posted this question but it was
wrong the other times ;(
Consider the following gas phase reaction. D B—A=A—B + 2 D-D D CA + ť be B-B Consider the following bond energies. ASA: 600. kJ/mol ASA: 350. kJ/mol A-B: 150. kJ/mol A-D: 540. kJ/mol B-B: 380. kJ/mol D-D: 230. kJ/mol (a) What is the enthalpy of reaction? (Enter your answer to the nearest integer.) 49) kJ/mol (b) The entropy of reaction is ---Select--- 9. (c) The reaction is...
| 10. + -1 points ChangWA12 6.СМ.011. My Notes Ask Your Teacher The combustion reaction of...
| 10. + -1 points ChangWA12 6.СМ.011. My Notes Ask Your Teacher The combustion reaction of butane is as follows. C4H10(9)13/2 02(9)-4 CO2(g) 5 H20(0) Using Hess's law and the reaction enthalpies given below, find the change in enthalpy for this reaction. reaction (1): C(s) + O2(g)-. CO2(g) reaction (2): 21/2 02(9) H20UAH--285.8 kJ/mo reaction (3): 4 C(s) + 5 H2(g)- + C4H10(g) H-_1257 krmol H--393.5 kJ/mol kJ/mol Supporting Materials Periodic Table Constants and Factors Supplemental Data
20. + 0/0.65 points Previous Answers ZumIntro7 9.P.063. My Notes + Ask Your Teacher The compound...
20. + 0/0.65 points Previous Answers ZumIntro7 9.P.063. My Notes + Ask Your Teacher The compound sodium thiosulfate pentahydrate, Na2S203 · 5 H20, is important commercially to the photography business as "hypo," because it has the ability to dissolve unreacted silver salts from photographic film during development. Sodium thiosulfate pentahydrate can be produced by boiling elemental sulfur in an aqueous solution of sodium sulfite. Sg(s) + Na2SO3(aq) + H20(1) → Na2S203 . 5 H20(s) (unbalanced) What is the theoretical yield...
Using the bond enthalpies in the Average Bond Enthalpies table, determine the approximate enthalpy (in kJ)...
Using the bond enthalpies in the Average Bond Enthalpies table, determine the approximate enthalpy (in kJ) for each of the following reactions. (Assume the average bond enthalpy of the CI-F bond is 254 kJ/mol.) (a) C12(g) + 3 F2(9) ► 2 CIF3(9) -817 kJ (b) H_C=CHCH2(g) + H2(9) ► H,CCH, CH3(9) 476x kJ (c) CHz(C=O)CH3(g) + 402(9) ► 300,(9) + 3 H20(9) 127 X kJ Supporting Materials Periodic Table 1 Supplemental Data Constants and Factors Additional Materials eBook
0/8 points v Previous Answers OSATOMSCHEM1 9.3.P.042. Calculate AH (in kJ/mol) for the reaction described by...
0/8 points v Previous Answers OSATOMSCHEM1 9.3.P.042. Calculate AH (in kJ/mol) for the reaction described by the equation. 4 NH3(g) +50269) + 4 NO(g) + 6 H2001 -904.0 x kJ/mol Supporting Materials Periodic Table Supplemental Data Constants and Factors Additional Materials eBook 4. -/24 points v OSATOMSCHEM1 9.3.P.068. Using the Supplemental Data, calculate the standard enthalpy change (in kJ/mol) for each of the following reactions. (a) B203(5) + 3 H2(9) ► 2B(5) + 3 H20(1) kJ/mol (b) B(s) + O2(g)...
-/1 POINTS SPRECALC7 7.4.015. MY NOTES ASK YOUR TEACHER Solve the given equation. (Enter your answers...
-/1 POINTS SPRECALC7 7.4.015. MY NOTES ASK YOUR TEACHER Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places where appropriate.) tan(0) - 4 0- rad -/2 POINTS SPRECALC7 7.4.021. MY NOTES ASK YOUR TEACHER Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places where appropriate.) cos(O) = 0.28 rad List six specific solutions. -/1...
9. 0/1 points Previous Answers My Notes Ask Your Teacher A steam pipe is covered with...
9. 0/1 points Previous Answers My Notes Ask Your Teacher A steam pipe is covered with 1.50-cm thick insulating material of thermal conductivity of 0.200 cal/cm . °C. S. How much energy is lost every second when the steam is at 240°C and the surrounding air is at 20.0°C? The pipe has a circumference of 800 cm and a length of 43.0 m. Neglect losses through the ends of the pipe. 2181.5 x Your response differs from the correct answer...
Previous Answers 12 points CraudColAlg5 2AFL3.007 My Notes Ask Your Teacher The following illustrates an application...
Previous Answers 12 points CraudColAlg5 2AFL3.007 My Notes Ask Your Teacher The following illustrates an application of optimization using parabolas. A study found that the cost C per pupil of operating a high school in a certain country depends on the number n of students enrolled. The cost is given by C=65,000-500n+ n? oolars per pupi What enrollment produces the minimum cost per pupil? n250 students What is the minimum cost? 25000 Need Help? Read Talk to a Tutor I...
Previous Answers LarLinAlg8 2.4.029. My Notes Ask Your Teacher A O1/1 points Find a sequence of...
Previous Answers LarLinAlg8 2.4.029. My Notes Ask Your Teacher A O1/1 points Find a sequence of elementary matrices whose product is the given nonsingular matrix. Need Help? Read It Talk to a Tutor 1/1 points | Previous Answers LarLinAlg8 2.4.013. Ask Y 2. My Notes Find a sequence of elementary matrices that can be used to write the matrix in row-echelon form 0 1 2 9 18 0 1 1 0 1 T 0 1 01 0 1 0 1...
Use the Bond Energies Table to estimate the enthalpy change in each of the following reactions. (Enter your answer to the nearest integer.) (a) CH4(g) C(g) 2 H2(g) 4.0 X kJ/mol (b) ICH3(g) + H20(g) H3COH(g) HI(g) 4.0 X kJ/mol HC CH(g)2 H2(g)H3C-CH 3 (g) (c) 4.0 X kJ/mol
Already posted this question but it was
wrong the other times ;(
Consider the following gas phase reaction. D B—A=A—B + 2 D-D D CA + ť be B-B Consider the following bond energies. ASA: 600. kJ/mol ASA: 350. kJ/mol A-B: 150. kJ/mol A-D: 540. kJ/mol B-B: 380. kJ/mol D-D: 230. kJ/mol (a) What is the enthalpy of reaction? (Enter your answer to the nearest integer.) 49) kJ/mol (b) The entropy of reaction is ---Select--- 9. (c) The reaction is...
| 10. + -1 points ChangWA12 6.СМ.011. My Notes Ask Your Teacher The combustion reaction of butane is as follows. C4H10(9)13/2 02(9)-4 CO2(g) 5 H20(0) Using Hess's law and the reaction enthalpies given below, find the change in enthalpy for this reaction. reaction (1): C(s) + O2(g)-. CO2(g) reaction (2): 21/2 02(9) H20UAH--285.8 kJ/mo reaction (3): 4 C(s) + 5 H2(g)- + C4H10(g) H-_1257 krmol H--393.5 kJ/mol kJ/mol Supporting Materials Periodic Table Constants and Factors Supplemental Data
20. + 0/0.65 points Previous Answers ZumIntro7 9.P.063. My Notes + Ask Your Teacher The compound sodium thiosulfate pentahydrate, Na2S203 · 5 H20, is important commercially to the photography business as "hypo," because it has the ability to dissolve unreacted silver salts from photographic film during development. Sodium thiosulfate pentahydrate can be produced by boiling elemental sulfur in an aqueous solution of sodium sulfite. Sg(s) + Na2SO3(aq) + H20(1) → Na2S203 . 5 H20(s) (unbalanced) What is the theoretical yield...
Using the bond enthalpies in the Average Bond Enthalpies table, determine the approximate enthalpy (in kJ) for each of the following reactions. (Assume the average bond enthalpy of the CI-F bond is 254 kJ/mol.) (a) C12(g) + 3 F2(9) ► 2 CIF3(9) -817 kJ (b) H_C=CHCH2(g) + H2(9) ► H,CCH, CH3(9) 476x kJ (c) CHz(C=O)CH3(g) + 402(9) ► 300,(9) + 3 H20(9) 127 X kJ Supporting Materials Periodic Table 1 Supplemental Data Constants and Factors Additional Materials eBook
0/8 points v Previous Answers OSATOMSCHEM1 9.3.P.042. Calculate AH (in kJ/mol) for the reaction described by the equation. 4 NH3(g) +50269) + 4 NO(g) + 6 H2001 -904.0 x kJ/mol Supporting Materials Periodic Table Supplemental Data Constants and Factors Additional Materials eBook 4. -/24 points v OSATOMSCHEM1 9.3.P.068. Using the Supplemental Data, calculate the standard enthalpy change (in kJ/mol) for each of the following reactions. (a) B203(5) + 3 H2(9) ► 2B(5) + 3 H20(1) kJ/mol (b) B(s) + O2(g)...
-/1 POINTS SPRECALC7 7.4.015. MY NOTES ASK YOUR TEACHER Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places where appropriate.) tan(0) - 4 0- rad -/2 POINTS SPRECALC7 7.4.021. MY NOTES ASK YOUR TEACHER Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places where appropriate.) cos(O) = 0.28 rad List six specific solutions. -/1...
9. 0/1 points Previous Answers My Notes Ask Your Teacher A steam pipe is covered with 1.50-cm thick insulating material of thermal conductivity of 0.200 cal/cm . °C. S. How much energy is lost every second when the steam is at 240°C and the surrounding air is at 20.0°C? The pipe has a circumference of 800 cm and a length of 43.0 m. Neglect losses through the ends of the pipe. 2181.5 x Your response differs from the correct answer...
Previous Answers 12 points CraudColAlg5 2AFL3.007 My Notes Ask Your Teacher The following illustrates an application of optimization using parabolas. A study found that the cost C per pupil of operating a high school in a certain country depends on the number n of students enrolled. The cost is given by C=65,000-500n+ n? oolars per pupi What enrollment produces the minimum cost per pupil? n250 students What is the minimum cost? 25000 Need Help? Read Talk to a Tutor I...
Previous Answers LarLinAlg8 2.4.029. My Notes Ask Your Teacher A O1/1 points Find a sequence of elementary matrices whose product is the given nonsingular matrix. Need Help? Read It Talk to a Tutor 1/1 points | Previous Answers LarLinAlg8 2.4.013. Ask Y 2. My Notes Find a sequence of elementary matrices that can be used to write the matrix in row-echelon form 0 1 2 9 18 0 1 1 0 1 T 0 1 01 0 1 0 1...
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