Calculate the ΔH for the following reaction: F2(g) + Br2(g) → 2FBr(g) Bond Type Bond Energy...
Calculate the ΔH for the following reaction: F2(g) + Br2(g) → 2FBr(g)
Bond Type Bond Energy (kJ/mol)
F−F 159
Br−Br 193
F−Br 212
Homework Answers
For given reaction
Hrxn =
n*H(bonds broken) -
n*H ( bonds
formed)
Where n are the number of moles
Hrxn =
[1*H(F2)
+ 1*H(Br2)
] - ( 2*H (F-Br) ) =
[(1mol*159 kJ/mol) + (1 mol * 193 kJ/mol) -(2 mol *212 kJ/mol) =159
kJ + 193 kJ - 424 kJ = -72 kJ
Add Answer to:
Calculate the ΔH for the following reaction: F2(g) + Br2(g) →
2FBr(g)
Bond Type Bond Energy...
A Reaction is given: ½Br2(l) --> Br(g) Ho = 112kJ/mol The bond enthalpy of Br-Br is 193 kJ/mol A. Formulate the vaporization process of 1 mol bromine Br2(l). B. Calculate the enthalpy of the vapori...
A Reaction is given: ½Br2(l) --> Br(g) Ho = 112kJ/mol The bond enthalpy of Br-Br is 193 kJ/mol A. Formulate the vaporization process of 1 mol bromine Br2(l). B. Calculate the enthalpy of the vaporization process bromine. Show calculations C. Calculate the energy invested \ emitted by the evaporation of 3.2 gr of bromine. Show calculations. (Explain how you determined whether the energy is invested or emitted in this process). D.A Reaction is given: ½H2(g) + ½Br2(l) --> HBr(g) Ho...
Calculate the enthalpy of the reaction below using the given bond energies. Cl2 + Br2 →...
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1. Calculate the bond energy of the CI-F bond using the following data: Cl2(g) + F2(g) → 2CIF(g) AH = -108 kJ...
1. Calculate the bond energy of the CI-F bond using the following data: Cl2(g) + F2(g) → 2CIF(g) AH = -108 kJ Bond enthalpies (kJ/mol): CI-CI (239); F-F (159) CI-C1 = 239 F.F : 159 1 2. Find the experimental Lattice energy of aluminum oxide using a Born-Haber cycle using the following information: AH® (aluminum oxide) = -1676 kJ/mol IE, (aluminum) = 577.6 kJ/mol IE, (aluminum) =1816.7 kJ/mol IE(aluminum) = 2744.8 kJ/mol AH® (aluminum atom, g) = 329.7 kJ/mol AHⓇEAI...
Using the table of bond energies below, calculate the following enthalpy values associated with this reaction:...
Using the table of bond energies below, calculate the following enthalpy values associated with this reaction: 2 HF (g) H2 (g)F2 (g) Bond type Bond Energy (kJ/mol) 159 F-F H-H 432 H-F 565 Enter your answers to zero decimal places. Ignore significant figure rules. Include negative signs if necessary What is the sum of the reactant bond enthalpies? kJ What is the sum of the product bond enthalpies? kJ What is the overall enthalpy of reaction? kJ
Estimate the ΔH° for the following reaction in kJ at 25°C using the table of bond...
Estimate the ΔH° for the following reaction in kJ at
25°C using the table of bond energies provided
below:
CH. Estimate the AH° for the following reaction in kJ at 25°C using the table of bond CH energies provided below: CH,-¢-CH, -hy, CH3-C=CH2 Он Just enter a number (no units). This is an elimination reaction converting an alcohol to an alkene. Ignore the water above the reaction arrow. The water is what is being eliminated. Table 9.2 Average Bond Energies...
Calculate ΔH ° in kJ / mol for the reaction: NH3 (g) + Cl2 (g) → NH2Cl + HCl (g) based on the energy of tenons that brea...
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AIBr (s)Al(g)+3 Br(g) AH° = ? Chemical reaction AH in kJ/mol Type of reaction Al (g)...
AIBr (s)Al(g)+3 Br(g) AH° = ? Chemical reaction AH in kJ/mol Type of reaction Al (g) Al (s) 329.10 Heat of sublimation Al (g) + e lonization energy (first) Al (g) 577.6 Al (g) Al (g) + e- 1816.6 lonization energy (Second) AlAl lonization energy (Third) 2744.7 (g) e Br2 (g)2 Br (g) Bond energy 193 Br (g)eBr (g) -325 Electron Affinity Al (s)+3/2 Br (g)AIBr (s) 527.2 Heat of formation
Consider the reaction: 2HBR(g) >H2(g) + Br2() Using standard thermodynamic data at 298K, calculate the free...
Consider the reaction: 2HBR(g) >H2(g) + Br2() Using standard thermodynamic data at 298K, calculate the free energy change when 1.51 moles of HBr(g) react at standard conditions AG° kJ rxn AHof (kJ/mol) AG°F (kJ/mol) s° (J/mol K) Beryllium Вe(s) 0 9.5 -569.0 ВeO(s) -599.0 14.0 Be(ОН)2(s) -902.5 -815.0 51.9 AH°f (kJ/mol) AG°f (kJ/mol) s° (J/mol K) Bromine Br(g) 111.9 175.0 82.4 Br2() 152.2 0 0 Br2(g) 30.9 3.1 245.5 Br2(aq) -3.0 4.0 130.0 -121.0 -175.0 82.0 Br (aq) BrF3(g) -255.6...
Using the Table of Bond Energies in CH 11.5 calculate the ΔH for : H2(g) +...
Using the Table of Bond Energies in CH 11.5 calculate the ΔH for : H2(g) + F2(g) → 2HF(g) assume: H-H ; F-F ; H-F bonds A. -543 B. -24 C. 24 Given: A(g) + B(g) → D(g) ; ΔH = 56kJ/mol ; the enthalpy change for 2A(g) + 2B(g) → 2D(g) is: A. -56 B. -112 C. 112 Given: A(g) + B(g) → C(g) ΔH = 10kJ/mol ; C(g) → D(g) ΔH = 30kJ/mol; the ethalpy change for: A(g)...
QUESTION 4 Using bond-energy data, what is AHⓇ for the following reaction? CH4(g) + 2F2(g) -...
QUESTION 4 Using bond-energy data, what is AHⓇ for the following reaction? CH4(g) + 2F2(g) - CF4(g) + 2H2(g) Bond Bond Energy (kJ/mol) C-H 413 432 159 Н-Н F-F C-F O a. 1489 kJ Ob.561 kJ O c. 834 kJ d. -561 kJ O e.-834 kJ
Calculate the enthalpy of the reaction below using the given bond energies. Cl2 + Br2 → 2 BrCI Bond Energy (kJ/mol) CI-CI 242 Br-Br 193 Br-CI 218 0 -267 kj 217 kJ 0-1 kj 653 kJ
1. Calculate the bond energy of the CI-F bond using the following data: Cl2(g) + F2(g) → 2CIF(g) AH = -108 kJ Bond enthalpies (kJ/mol): CI-CI (239); F-F (159) CI-C1 = 239 F.F : 159 1 2. Find the experimental Lattice energy of aluminum oxide using a Born-Haber cycle using the following information: AH® (aluminum oxide) = -1676 kJ/mol IE, (aluminum) = 577.6 kJ/mol IE, (aluminum) =1816.7 kJ/mol IE(aluminum) = 2744.8 kJ/mol AH® (aluminum atom, g) = 329.7 kJ/mol AHⓇEAI...
Using the table of bond energies below, calculate the following enthalpy values associated with this reaction: 2 HF (g) H2 (g)F2 (g) Bond type Bond Energy (kJ/mol) 159 F-F H-H 432 H-F 565 Enter your answers to zero decimal places. Ignore significant figure rules. Include negative signs if necessary What is the sum of the reactant bond enthalpies? kJ What is the sum of the product bond enthalpies? kJ What is the overall enthalpy of reaction? kJ
Estimate the ΔH° for the following reaction in kJ at
25°C using the table of bond energies provided
below:
CH. Estimate the AH° for the following reaction in kJ at 25°C using the table of bond CH energies provided below: CH,-¢-CH, -hy, CH3-C=CH2 Он Just enter a number (no units). This is an elimination reaction converting an alcohol to an alkene. Ignore the water above the reaction arrow. The water is what is being eliminated. Table 9.2 Average Bond Energies...
AIBr (s)Al(g)+3 Br(g) AH° = ? Chemical reaction AH in kJ/mol Type of reaction Al (g) Al (s) 329.10 Heat of sublimation Al (g) + e lonization energy (first) Al (g) 577.6 Al (g) Al (g) + e- 1816.6 lonization energy (Second) AlAl lonization energy (Third) 2744.7 (g) e Br2 (g)2 Br (g) Bond energy 193 Br (g)eBr (g) -325 Electron Affinity Al (s)+3/2 Br (g)AIBr (s) 527.2 Heat of formation
Consider the reaction: 2HBR(g) >H2(g) + Br2() Using standard thermodynamic data at 298K, calculate the free energy change when 1.51 moles of HBr(g) react at standard conditions AG° kJ rxn AHof (kJ/mol) AG°F (kJ/mol) s° (J/mol K) Beryllium Вe(s) 0 9.5 -569.0 ВeO(s) -599.0 14.0 Be(ОН)2(s) -902.5 -815.0 51.9 AH°f (kJ/mol) AG°f (kJ/mol) s° (J/mol K) Bromine Br(g) 111.9 175.0 82.4 Br2() 152.2 0 0 Br2(g) 30.9 3.1 245.5 Br2(aq) -3.0 4.0 130.0 -121.0 -175.0 82.0 Br (aq) BrF3(g) -255.6...
QUESTION 4 Using bond-energy data, what is AHⓇ for the following reaction? CH4(g) + 2F2(g) - CF4(g) + 2H2(g) Bond Bond Energy (kJ/mol) C-H 413 432 159 Н-Н F-F C-F O a. 1489 kJ Ob.561 kJ O c. 834 kJ d. -561 kJ O e.-834 kJ
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