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C2H4(g)+H2(g)→C2H6(g)
Exercise 18.55 24 of 37 > MI Review | Constants Periodic Table Use data from...
Use data from the table below to calculate the equilibrium constants at 25∘C for each reaction....
Use data from the table below to calculate the equilibrium constants at 25∘C for each reaction. Standard Thermodynamic Quantities for Selected Substances at 25∘C Substance ΔH∘f(kJ/mol) ΔG∘f(kJ/mol) S∘(J/mol⋅K) H2(g) 0 0 130.7 N2(g) 0 0 191.6 O2(g) 0 0 205.2 NO(g) 91.3 87.6 210.8 NO2(g) 33.2 51.3 240.1 CO(g) -110.5 -137.2 197.7 CO2(g) -393.5 -394.4 213.8 H2S(g) -20.6 -33.4 205.8 S2(g) 128.6 79.7 228.2 1. N2(g)+O2(g)⇌2NO(g)
Use standard enthalpies of formation (in Appendix G in text) to calculate ∆H°rxn for each reaction. ...
Use standard enthalpies of formation (in Appendix G in text) to calculate ∆H°rxn for each reaction. ∑ m∆H°f (products) - ∑n∆H°f (reactants), where m and n are coefficients. C2H4(g) + H2(g) ----- > C2H6(g) CO (g) + H2O (g) ----- > H2(g) + CO2(g) 3NO2(g) + H2O (l) ----- > 2HNO3(aq) + NO (g) 2SO2(g) + O2(g) -----------> 2SO3(g) 2C4H10 (g) + 13O2 (g) -----------> 8CO2 (g) + 10H2O (g) Substance --- ΔH° (kJ mol–) --- ΔG° (kJ mol–1) --- S°298 (J K–1 mol–1) C2H4 52.4 86.4 219.3 H2 0 0 130.7 C2H6 -84.0 -32.0 229.2 CO -110.52 -137.15 197.7 H2O -285.83 -237.1 70.0 CO2 -393.51 -394.36 213.8 NO2 33.2 51.30 240.1 NO 90.25 87.6 210.8 SO2 -296.83 -300.1 248.2 O2 0 0 205.2 SO3 -395.72 -371.06 256.76
<Chapter 15 Problem 15.89 < 17 of 24 > MI Review Constants 1 Periodic Table A...
<Chapter 15 Problem 15.89 < 17 of 24 > MI Review Constants 1 Periodic Table A sink drain can become clogged with solid fat such as glyceryl tristearate (tristearin), How would adding lye (NaOH) to the sink drain remove the blockage? • Adding NaOH will saponify lipids, forming glycerol and salts of the fatty acids that are soluble in water and would wash down the drain. Adding NaOH will saponify lipids, forming glycerol and salts of the latty acids that...
MI Review | Constants Periodic Table wnat is the semi-major axis of the planer's ordit? A...
MI Review | Constants Periodic Table wnat is the semi-major axis of the planer's ordit? A new extrasolar planet (outside our solar system) has been discovered. This planet orbits a star of mass 1.00x1031 kg with a period of 6.52 years. It is also known that the planet has an eccentricity of 0.684. ► View Available Hint(s) IVO AXO ? Semi -major axis = m Submit Previous Answers X Incorrect; Try Again; 5 attempts remaining Part B What is the...
PLEASE DO PARTS A-H. Thank you !! Review Constants Periodic Table Calculate the change in Gibbs...
PLEASE DO PARTS A-H. Thank you !!
Review Constants Periodic Table Calculate the change in Gibbs free energy for each of the following sets of AH, AS, and T. (Assume that all reactants and products are in their standard states.) Part A AHin = 132 kJ : AS... = -248 J/K T = 310 K Express your answer as an integer. ΟΙ ΑΣΦ o ? AGE J Submit Request Answer Part B AH... = - 132 kJ : ASian=248 J/K...
Review Periodic Table Constants Part A A coffee-cup calorimeter contains 130.0 g of water at 25.3...
Review Periodic Table Constants Part A A coffee-cup calorimeter contains 130.0 g of water at 25.3 C.A 122.0-g block of copper metal is Determine the amount of heat, n J, lost by the copper block. 100 4°C by putting it in a beaker of Cu(s) is 0.385 heated boiling water The specific heat J/g K. The Cu is added to the calorimeter, and after a time the contents of the cup reach a constant temperature of 30.2 ΠνΠ ΑΣφ. ?...
Review Constants Periodic Table Benzoic acid of mass 1.45 g is reacted with oxygon in a...
Review Constants Periodic Table Benzoic acid of mass 1.45 g is reacted with oxygon in a constant volume calorimeter to form H20(l) and CO2 (g) at 298 K The mass of the water in the inner bath is 1.70 x 10g The temperature of the calorimeter and its contents rises 2.82 K as a result of this reaction. Part A K Cp.m(H2O,1) - 75.3 J. mol Calculate the calorimeter constant. The standard enthalpy of combustion of benzoic acid at 298...
Review Constants Periodic Table Equilibrium Constants for Several Monosubstituted Cyclohexanes at 25°C equatorial Substituent Reg 1...
Review Constants Periodic Table Equilibrium Constants for Several Monosubstituted Cyclohexanes at 25°C equatorial Substituent Reg 1 18 21 Using the data in the table, calculate the percentage of molecules of methylcydohexane that have the CH3 group in an equatorial position at 25°C Express your answer using two significant figures. H CH, CH, CH (CH),CH (CH3),C CN 35 EVO AED + O ? 4800 1.4 1.5 24 tatorial conformer = 70.588 Submit Previous Answers Request Answ 22 HO Incorrect; Try Again:...
MI Review | Constants | Periodic Table Calculate the standard cell potential for each of the...
MI Review | Constants | Periodic Table Calculate the standard cell potential for each of the following electrochemical cells. Standard Electrode Potentials at 25 °C Part A Cd2+ (aq) + Mg(s)+Cd(s) + Mg2+ (aq) Express your answer using two decimal places and include the appropriate units. -2.37 Reduction Half-Reaction Cd2+ (aq) +2 e Mg2+(aq) +2 € 2 H+ (aq) +2 € Fe2+ (aq) +20 Cu2+ (aq) +2 € NO3- (aq) + 4 H+ (aq) + 3 e E°(V) + Cd(s)...
MI Review | Constants Periodic Table Some guitarists like the feel of a set of strings...
MI Review | Constants Periodic Table Some guitarists like the feel of a set of strings that all have the same tension. For such a guitar, the G string (196 Hz) has a mass density of 0.25 g/m. Part A What is the mass density of the high E string (330 Hz)? Express your answer with the appropriate units. Value LE Units
<Chapter 15 Problem 15.89 < 17 of 24 > MI Review Constants 1 Periodic Table A sink drain can become clogged with solid fat such as glyceryl tristearate (tristearin), How would adding lye (NaOH) to the sink drain remove the blockage? • Adding NaOH will saponify lipids, forming glycerol and salts of the fatty acids that are soluble in water and would wash down the drain. Adding NaOH will saponify lipids, forming glycerol and salts of the latty acids that...
MI Review | Constants Periodic Table wnat is the semi-major axis of the planer's ordit? A new extrasolar planet (outside our solar system) has been discovered. This planet orbits a star of mass 1.00x1031 kg with a period of 6.52 years. It is also known that the planet has an eccentricity of 0.684. ► View Available Hint(s) IVO AXO ? Semi -major axis = m Submit Previous Answers X Incorrect; Try Again; 5 attempts remaining Part B What is the...
PLEASE DO PARTS A-H. Thank you !!
Review Constants Periodic Table Calculate the change in Gibbs free energy for each of the following sets of AH, AS, and T. (Assume that all reactants and products are in their standard states.) Part A AHin = 132 kJ : AS... = -248 J/K T = 310 K Express your answer as an integer. ΟΙ ΑΣΦ o ? AGE J Submit Request Answer Part B AH... = - 132 kJ : ASian=248 J/K...
Review Periodic Table Constants Part A A coffee-cup calorimeter contains 130.0 g of water at 25.3 C.A 122.0-g block of copper metal is Determine the amount of heat, n J, lost by the copper block. 100 4°C by putting it in a beaker of Cu(s) is 0.385 heated boiling water The specific heat J/g K. The Cu is added to the calorimeter, and after a time the contents of the cup reach a constant temperature of 30.2 ΠνΠ ΑΣφ. ?...
Review Constants Periodic Table Benzoic acid of mass 1.45 g is reacted with oxygon in a constant volume calorimeter to form H20(l) and CO2 (g) at 298 K The mass of the water in the inner bath is 1.70 x 10g The temperature of the calorimeter and its contents rises 2.82 K as a result of this reaction. Part A K Cp.m(H2O,1) - 75.3 J. mol Calculate the calorimeter constant. The standard enthalpy of combustion of benzoic acid at 298...
Review Constants Periodic Table Equilibrium Constants for Several Monosubstituted Cyclohexanes at 25°C equatorial Substituent Reg 1 18 21 Using the data in the table, calculate the percentage of molecules of methylcydohexane that have the CH3 group in an equatorial position at 25°C Express your answer using two significant figures. H CH, CH, CH (CH),CH (CH3),C CN 35 EVO AED + O ? 4800 1.4 1.5 24 tatorial conformer = 70.588 Submit Previous Answers Request Answ 22 HO Incorrect; Try Again:...
MI Review | Constants | Periodic Table Calculate the standard cell potential for each of the following electrochemical cells. Standard Electrode Potentials at 25 °C Part A Cd2+ (aq) + Mg(s)+Cd(s) + Mg2+ (aq) Express your answer using two decimal places and include the appropriate units. -2.37 Reduction Half-Reaction Cd2+ (aq) +2 e Mg2+(aq) +2 € 2 H+ (aq) +2 € Fe2+ (aq) +20 Cu2+ (aq) +2 € NO3- (aq) + 4 H+ (aq) + 3 e E°(V) + Cd(s)...
MI Review | Constants Periodic Table Some guitarists like the feel of a set of strings that all have the same tension. For such a guitar, the G string (196 Hz) has a mass density of 0.25 g/m. Part A What is the mass density of the high E string (330 Hz)? Express your answer with the appropriate units. Value LE Units
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