8. Use bond energies as found in Table 9.1 of Tro, Fridgen and Shaw and estimate...
Use bond energies as found in Table 9.1 of Tro, Fridgen and Shaw and estimate the energy change ∆ H o (in kJ/mol) for the following reaction: H—C ≡ C—H + 2 I 2 → CHI 2 —C HI 2 The C-I bond energy is 213 kJ/mol.
5. (a) Use the standard reduction potentials at 259 C in Table 18.1 in Tro, Fridgen and Shaw, and calculate the standard emf E° of an electrochemical cell described by the following reaction: Sr +Be2Sr2 + Be IL> (b) What is the value of E if the concentration of Be? is 3.61 x 103 and the concentration of Sr" is 2.18 x 10* (c) If E -1.22 V and Be - 0.10 M, what is the concentration of Sr2+?
5....
Use bond energies to estimate the energy change ∆ Ho (in kJ/mol) for the following reaction: H—C ≡ N + 2 H2 → CH3 —NH2
(a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and calculate the standard emf E° of an electrochemical cell described by the following reaction: Cd + Co2+ --> Cd2+ + Co (b) What is the value of E if the concentration of Co2+ is 2.99 x 10-6 and the concentration of Cd2+ is 3.87 x 10-5? (c) If E = 0.32 V and Co2+ = 0.10 M, what is the concentration of...
Using bond enthalpies (given as Average Bond Energies in the Data Sheet) estimate the enthalpy change (ΔH, heat of reaction) for the following gas-phase reaction. (The bond energy value for S−C is 259 kJ mol-1 and that for S−H is 339 kJ mol-1.) HS CH2CH2 SH + 2HF F CH2CH2 F + 2 HSH.
Use bond energies from this table to estimate the heat of
reaction for the following process:
4. Use bond energies from this table to estimate the heat of reaction for the following process: HH н C= C + Cl - H- C- C-H CICI Some Bond Energies (kJ/mol) Н-Н O=O • Diatomic molecules (actual values) 432.0 Cl-ci 240.0 C=0 1071 493.6 Other bonds (avg. values) C-C 345 C=C 615 C=C 835 C-N 305 CEN 615 C=N 890 C-H 415 C=O...
4. (a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and calculate the standard emf E° of an electrochemical cell described by the following reaction: Be + 2 Nat → 2 Na + Be2+ (b) What is n? (c) What is AGº for this reaction at 25°? (d) What is the equilibrium constant for this reaction at 25°? lectrochemical cell described by the followinden and Shaw, and
HW CH 9.10 Submated Use bond energies to estimate the... Use bond energies to estimate the enthalpy change for the reaction of one mole of CH4 with chlorine gas to give CH3CI a BE(C-H) 414 kJ/mol BE(C-CI) 326 kJ/mol BE(H CI) 432 kJ/mol BE(CI-CI) 243 kJ/mol Multiple Choice 106 kJ/mol -101 kJ/mol +101 kJ/mol +106 kJ/moli +331 kJ/mol
4. (a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and calculate the standard emf E° of an electrochemical cell described by the following reaction: 2 Nat + Zn → Zn2+ + 2 Na (b) What is n? (c) What is AGº for this reaction at 25°? (d) What is the equilibrium constant for this reaction at 25°?
4. (a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and calculate the standard emf E° of an electrochemical cell described by the following reaction: 3 Mn + 2 Al3+ → 2 Al + 3 Mn2+ (b) What is n? (c) What is ∆G° for this reaction at 25°? (d) What is the equilibrium constant for this reaction at 25°?