The enthalpy change for the following reaction is -748 kJ. Using bond energies, estimate the C≡O...

The enthalpy change for the following reaction is -748 kJ. Using bond energies, estimate the C≡O bond energy in CO(g). 2CO(g) + 2NO(g)2CO2(g) + N2(g)

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queen_honey_blossom answered 2 months ago

The enthalpy change for the following reaction is -136 kJ. Using bond energies, estimate the H-O...

The enthalpy change for the following reaction is -136 kJ. Using bond energies, estimate the H-O bond energy in H2O2(g). H2(g) + O2(g) --> H2O2(g)

A scientist measures the standard enthalpy change for the following reaction to be -613.2 kJ :...

A scientist measures the standard enthalpy change for the following reaction to be -613.2 kJ : P4O10(s) + 6 H2O(l)-->4H3PO4(aq) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H3PO4(aq) is kJ/mol.

Calculate (using bond energies) the heat of reaction (per mole of CO, in KJ/Mol) for the...

Calculate (using bond energies) the heat of reaction (per mole of CO, in KJ/Mol) for the combustion of CO into CO2. Balance and do not round final answer Calculate (using bond energies) the heat of reaction (per mole of C2H2 in KJ/Mol) for the combustion of C2H2 into CO2 and water. Balance and do not round final answer

Use average bond energies to estimate the enthalpy changes of the following reactions: a. N2(g) +...

Use average bond energies to estimate the enthalpy changes of the following reactions: a. N2(g) + 3 H2(g) -> 2 NH3(g) b. N2(g) + 2 H2(g) -> H2NNH2(g) c. 2 N2(g) + O2(g) -> 2 N2O(g)

a) The standard enthalpy change for the following reaction is -270 kJ at 298 K. 2HCN...

a) The standard enthalpy change for the following reaction is -270 kJ at 298 K. 2HCN (g) --> 2 C(s, graphite) + H2 (g) + N2 (g) ΔH° = -270 kJ What is the standard enthalpy change for this reaction at 298 K? C (s, graphite) + 1/2 H2(g) + 1/2 N2(g) ---> HCN(g) _______ kJ

A.) The standard enthalpy change for the following reaction is 359 kJ at 298 K. PbCl2(s)...

A.) The standard enthalpy change for the following reaction is 359 kJ at 298 K. PbCl2(s) ----> Pb(s) + Cl2(g) ΔH° = 359 kJ What is the standard enthalpy change for this reaction at 298 K? Pb(s) + Cl2(g) ----> PbCl2(s) __________ kJ B.) The standard enthalpy change for the following reaction is -602 kJ at 298 K. Mg(s) + 1/2 O2(g) ----> MgO(s) ΔH° = -602 kJ What is the standard enthalpy change for the reaction at 298 K? 2...

The standard enthalpy change for the following reaction is -170 kJ at 298 K. 2 Cu(s)...

The standard enthalpy change for the following reaction is -170 kJ at 298 K. 2 Cu(s) + 1/2 O2(g) Cu2O(s) ΔH° = -170 kJ What is the standard enthalpy change for the reaction at 298 K? 4 Cu(s) + O2(g) 2 Cu2O(s) A student determines the heat of dissolution of solid cobalt(II) chloride using a coffee-cup calorimeter of negligible heat capacity. When 1.33 g of CoCl2(s) is dissolved in 111.00 g of water, the temperature of the solution increases from...

For the reaction A(aq) ---> B(aq) the change in the standard free enthalpy is 2.59 kJ...

For the reaction A(aq) ---> B(aq) the change in the standard free enthalpy is 2.59 kJ at 25 oC and 4.73 kJ at 45 oC. Calculate the value of this reaction's equilibrium constant at 75 oC.

2.Calculate the specific enthalpy change in kJ / kg-C of the following processes: a) cyclohexane gas...

2.Calculate the specific enthalpy change in kJ / kg-C of the following processes: a) cyclohexane gas in a process from T0 = 300C to Ft= 900 C b) hydrocyanic acid gas from T0 = 900C to Ft = 300 C. Which of the two processes requires more energy? Which one would you use to heat a stream of 100mol / h water that must enter a heater at 25ºC and leave at 80ºC? Would it reach you?

#1. Estimate ΔH for the reaction using bond dissociation energies. Give your answer in kcal. C6H12O6...

#1. Estimate ΔH for the reaction using bond dissociation energies. Give your answer in kcal. C6H12O6 has five C−C bonds, seven C−H bonds, seven C−O bonds, and five O−H bonds. #2. Is the reaction exothermic or endothermic? #3. The following equation shows the conversion of aluminum oxide (from the ore bauxite) to aluminum: 2Al2O3(s)→4Al(s)+3O2(g), ΔH = +801.0 kcal ----> a. Is the reaction exothermic or endothermic?

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