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* Incorrect. What is the heat of formation of elements in their standard states?...
0 AH; (kl mol-1) 90.37 33.8 81.57 9.67 Ca(s) 0 11 Review Intelligent Tutoring Problem...
0 AH; (kl mol-1) 90.37 33.8 81.57 9.67 Ca(s) 0 11 Review Intelligent Tutoring Problem 6.93 Using the data in the table below, calculate AH° in kilojoules for the following reactions. Standard Enthalpies of Formation of Typical Substances Substance AH() mol-1) Substance AH (K) mol-1) Substance Ag(s) H2O2(0) -187.6 CH (8) AgBr() -100.4 HBrg) -36 CH,OH(I) AgCl(s) - 127.0 HCl(g) -92.30 AO) HI(g) 26.6 CaBr20) Al2O3() -- 1669.8 HNO3(1) -173.2 CaCO3(9 CG) (graphite) H2SO4) -811.32 CaCl (5) CO(g) -110.5...
a) H2SO4(l) b) CaSo4*2H20 c) Na2SO4(s) Review Problem 6.091 Enter the thermochemical equations, including values of...
a) H2SO4(l)
b) CaSo4*2H20
c) Na2SO4(s)
Review Problem 6.091 Enter the thermochemical equations, including values of AH° in kilojoules per mole (from the table below) for the formation of each of the following compounds from their elements, with everything in standard states. Include physical states in your answer. Use minimal integer numbers for coefficient input. Standard Enthalpies of Formation of Typical Substances AH (KI mot-1) AHi(I mol-1) AH (KJ mot-1) AH (KI mol-) Substance Substance Substance Substance NO(g) 90.37 Ag)...
Incorrect. Did you remember to multiply the enthalpy values by the stoichiometric coefficients? Did you...
Incorrect. Did you remember to multiply the enthalpy values by the stoichiometric coefficients? Did you do enthalphy of products minus enthalphy of reactants? a) CH4(g)+C2(g) CH3Cl(g) +HCI(g) The number of significant digits is set to 3; the tolerance is +/-2 % x Incorrect. Did you remember to multiply the enthalpy values by the stoichiometric coefficients? Did yoif do enthalphy of products minus enthalphy of reactants? co(NH2) 2(s) + H20() b) 2NH3(g) + Co2(g) kJ The number of significant digits is...
1.(3pts) Use the following data to determine the AH... of 2 CHO(1) + 21 Og) -->...
1.(3pts) Use the following data to determine the AH... of 2 CHO(1) + 21 Og) --> 14 COMg) + 16 HẠO(g) Substance AH(kJ/mol) Substance AH?(kJ/mol Data: C Hag) CH,OH(L) C.H.O(1) CH, O) H.O(g) CO(g) O.(g) 20.9 -239.0 -277.0 -316 0 -241.82 -110.53 C.H.(5) CH,OH(g) C3H20 (1) C-HBO(l) H.O(1) CO; N (8) -104,0 -201.0 -298.6 -340.0 -285.83 -393.51 2.(2pts) If you are given 338,0 g 0 () and a sufficient amount of the other reactant, calculate the heat associated with reaction...
1.(3pts) Use the following data to determine the AH... of 2 CH2O(1) + 15 O_() ---> 10 CO(g) + 12 H.O(1) Data: Su...
1.(3pts) Use the following data to determine the AH... of 2 CH2O(1) + 15 O_() ---> 10 CO(g) + 12 H.O(1) Data: Substance AH(kJ/mol) Substance AH(kJ/mol) CHg) CH,OH(L) C.H.O(1) CH401) H2O(g) CO(g) O2(g) 20.9 -239.0 -277.0 -316,0 -241.82 -110.53 CH.(8) CH,OH(S) CsH 20 (1) CHO(1) HO() -104.0 -201.0 -298.6 -340.0 -285.83 -393.51 CO2 NB) 2.(2pts) If you are given 148.0 g O(g) and a sufficient amount of the other reactant, calculate the heat associated with reaction in problem 1 and...
LALAAM Heat of combustion I Name Calculate the following using the table provided: Assume complete combustion...
LALAAM Heat of combustion I Name Calculate the following using the table provided: Assume complete combustion Methane Table 10.5 Standard Heats of Combustion at 25°C Substance Formula Akimo Hydrogen Hla) -296 Carbon Cisl graphite -394 Carbon monoxide CO(g) CH ) -890 Methanol CH,CH(0) Acetylene CH() Ethanol C,H,OHCO 1200 Propane CH() -2220 Benzene CH CH 0 (5) Octane CH -5471 Sucroso CH20,(s) -5645 -1300 1. Calculate the energy released when 56.7g of His burned. 2. If 3572 kJ of energy were...
ormation Reactions Review Constants Part B The standard heat of formation, AH is defined as the...
ormation Reactions Review Constants Part B The standard heat of formation, AH is defined as the enthalpy change for the formation of one mole of substance from its constituent elements in their standard states. Thus, elements in their standard states have AH O . Heat of formation values can be used to calculate the enthalpy change of any reaction. The combustion of propano, C, Hs. cocurs via the reaction CH, (B) +502 (6)+3CO2 (s) + 4H2O(g) with heat of formation...
to 14. (20 points) Use the following information to Show your work. e the following information...
to 14. (20 points) Use the following information to Show your work. e the following information to determine the enthalpy for the reaction shown below. CH(g) + H2O(g) → CO(g) + 3H-(8) AH = ? 2C(s) + 2H2O(g) CH.(g) + CO:(8) All = 15.3 kJ C(s) + H2O(g) → CO(g) +H;(8) AH = 131.3 kJ CO(g) + H2O(g) + CO2(g) + H:(g) AH -41.2 kJ 15. (15 points) Ethanol is being promoted as renewable biofuel. Use the standard enthalpies of...
Question 2 (1 point) Saved The standard heat of combustion for naphthalene, C10Hg(s), is -5156.8 kJ...
Question 2 (1 point) Saved The standard heat of combustion for naphthalene, C10Hg(s), is -5156.8 kJ mol-1. Use this value and the given standard enthalpies of formation to calculate the standard enthalpy of formation of C1oHg(s) in kJ mol-1 H20() AHOf: H20() -285.9 kJ mol-1; -285.9 kJ mol-1. CO2(g) = -393.5 kJ mol-1 Hint: Hess' law; write the balanced chemical combustion equation and the chemical equation which defines the AHf of C10H8(s).
Can Be Used to calculate Equilibrium Constants TABLE 26.1 Standard molar Gibbs energies of formation, A,...
Can Be Used to calculate Equilibrium Constants TABLE 26.1 Standard molar Gibbs energies of formation, A, G, for various hstances at 298.15 K and one har 1057 Substance Formula 4,6°/kJ-mol- acetylene ammonia C.H,() NH,(g) CHCI) Br(e) CH) C(s) C(s) CO (8) CO(g) 209.20 - 16.367 124.35 3.126 -17.15 2.900 benzene bromine butane carbon(diamond) carbon(graphite) carbon dioxide carbon monoxide ethane ethanol ethene glucose hydrogen bromide hydrogen chloride hydrogen fluoride hydrogen iodide hydrogen peroxide iodine methane methanol CH(E) сHOH(1) CH (8) CH...
0 AH; (kl mol-1) 90.37 33.8 81.57 9.67 Ca(s) 0 11 Review Intelligent Tutoring Problem 6.93 Using the data in the table below, calculate AH° in kilojoules for the following reactions. Standard Enthalpies of Formation of Typical Substances Substance AH() mol-1) Substance AH (K) mol-1) Substance Ag(s) H2O2(0) -187.6 CH (8) AgBr() -100.4 HBrg) -36 CH,OH(I) AgCl(s) - 127.0 HCl(g) -92.30 AO) HI(g) 26.6 CaBr20) Al2O3() -- 1669.8 HNO3(1) -173.2 CaCO3(9 CG) (graphite) H2SO4) -811.32 CaCl (5) CO(g) -110.5...
a) H2SO4(l)
b) CaSo4*2H20
c) Na2SO4(s)
Review Problem 6.091 Enter the thermochemical equations, including values of AH° in kilojoules per mole (from the table below) for the formation of each of the following compounds from their elements, with everything in standard states. Include physical states in your answer. Use minimal integer numbers for coefficient input. Standard Enthalpies of Formation of Typical Substances AH (KI mot-1) AHi(I mol-1) AH (KJ mot-1) AH (KI mol-) Substance Substance Substance Substance NO(g) 90.37 Ag)...
Incorrect. Did you remember to multiply the enthalpy values by the stoichiometric coefficients? Did you do enthalphy of products minus enthalphy of reactants? a) CH4(g)+C2(g) CH3Cl(g) +HCI(g) The number of significant digits is set to 3; the tolerance is +/-2 % x Incorrect. Did you remember to multiply the enthalpy values by the stoichiometric coefficients? Did yoif do enthalphy of products minus enthalphy of reactants? co(NH2) 2(s) + H20() b) 2NH3(g) + Co2(g) kJ The number of significant digits is...
1.(3pts) Use the following data to determine the AH... of 2 CHO(1) + 21 Og) --> 14 COMg) + 16 HẠO(g) Substance AH(kJ/mol) Substance AH?(kJ/mol Data: C Hag) CH,OH(L) C.H.O(1) CH, O) H.O(g) CO(g) O.(g) 20.9 -239.0 -277.0 -316 0 -241.82 -110.53 C.H.(5) CH,OH(g) C3H20 (1) C-HBO(l) H.O(1) CO; N (8) -104,0 -201.0 -298.6 -340.0 -285.83 -393.51 2.(2pts) If you are given 338,0 g 0 () and a sufficient amount of the other reactant, calculate the heat associated with reaction...
1.(3pts) Use the following data to determine the AH... of 2 CH2O(1) + 15 O_() ---> 10 CO(g) + 12 H.O(1) Data: Substance AH(kJ/mol) Substance AH(kJ/mol) CHg) CH,OH(L) C.H.O(1) CH401) H2O(g) CO(g) O2(g) 20.9 -239.0 -277.0 -316,0 -241.82 -110.53 CH.(8) CH,OH(S) CsH 20 (1) CHO(1) HO() -104.0 -201.0 -298.6 -340.0 -285.83 -393.51 CO2 NB) 2.(2pts) If you are given 148.0 g O(g) and a sufficient amount of the other reactant, calculate the heat associated with reaction in problem 1 and...
LALAAM Heat of combustion I Name Calculate the following using the table provided: Assume complete combustion Methane Table 10.5 Standard Heats of Combustion at 25°C Substance Formula Akimo Hydrogen Hla) -296 Carbon Cisl graphite -394 Carbon monoxide CO(g) CH ) -890 Methanol CH,CH(0) Acetylene CH() Ethanol C,H,OHCO 1200 Propane CH() -2220 Benzene CH CH 0 (5) Octane CH -5471 Sucroso CH20,(s) -5645 -1300 1. Calculate the energy released when 56.7g of His burned. 2. If 3572 kJ of energy were...
ormation Reactions Review Constants Part B The standard heat of formation, AH is defined as the enthalpy change for the formation of one mole of substance from its constituent elements in their standard states. Thus, elements in their standard states have AH O . Heat of formation values can be used to calculate the enthalpy change of any reaction. The combustion of propano, C, Hs. cocurs via the reaction CH, (B) +502 (6)+3CO2 (s) + 4H2O(g) with heat of formation...
to 14. (20 points) Use the following information to Show your work. e the following information to determine the enthalpy for the reaction shown below. CH(g) + H2O(g) → CO(g) + 3H-(8) AH = ? 2C(s) + 2H2O(g) CH.(g) + CO:(8) All = 15.3 kJ C(s) + H2O(g) → CO(g) +H;(8) AH = 131.3 kJ CO(g) + H2O(g) + CO2(g) + H:(g) AH -41.2 kJ 15. (15 points) Ethanol is being promoted as renewable biofuel. Use the standard enthalpies of...
Question 2 (1 point) Saved The standard heat of combustion for naphthalene, C10Hg(s), is -5156.8 kJ mol-1. Use this value and the given standard enthalpies of formation to calculate the standard enthalpy of formation of C1oHg(s) in kJ mol-1 H20() AHOf: H20() -285.9 kJ mol-1; -285.9 kJ mol-1. CO2(g) = -393.5 kJ mol-1 Hint: Hess' law; write the balanced chemical combustion equation and the chemical equation which defines the AHf of C10H8(s).
Can Be Used to calculate Equilibrium Constants TABLE 26.1 Standard molar Gibbs energies of formation, A, G, for various hstances at 298.15 K and one har 1057 Substance Formula 4,6°/kJ-mol- acetylene ammonia C.H,() NH,(g) CHCI) Br(e) CH) C(s) C(s) CO (8) CO(g) 209.20 - 16.367 124.35 3.126 -17.15 2.900 benzene bromine butane carbon(diamond) carbon(graphite) carbon dioxide carbon monoxide ethane ethanol ethene glucose hydrogen bromide hydrogen chloride hydrogen fluoride hydrogen iodide hydrogen peroxide iodine methane methanol CH(E) сHOH(1) CH (8) CH...
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