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18. Consider the following data. 2 NO(g) N2(g) + O2(g) H = -180.7 kJ 2 NO(g) + O2(g) 2 NO2(g) H = -113.1 kJ 2 N2(g) + O2(g) 2 N2O(g) H = +163.2 kJ Use Hess's law to calculate H for the reaction below. 3 NO(g) N2O(g) + NO2(g) H = ______________ kJ
Consider the following data. 2 NO(g) N2(g) + O2(g) H = -180.7 kJ 2 NO(g) + O2(g) 2 NO2(g) H = -113.1 kJ 2 N2O(g) 2 N2(g) + O2(g) H = -163.2 kJ Use Hess's law to calculate H for the reaction below. N2O(g) + NO2(g) 3 NO(g) H =_______ kJ
Recitation Exercise 9 CHEM 1411 Name Partners Instructor Day of Week 1. Given the equations: N2(g) + O2(g) → 2NO(g) AH = +180.7 kJ 2NO(g) + O2(g) → 2NO2(g) AH =-113.1 kJ 2N20(g) → 2N2(g) + O2(g) AH = -163.2 kJ Calculate the change in enthalpy for the reaction: N2O(g) + NO2(g) → NO(g) 2. An electron in a carbon atom makes a transition from n=2 to n=3. a) Does this transition require energy or emit energy? b) Can you...
Consider the following reaction:2 N2O(g) → 2 N2(g)+O2(g)Part AExpress the rate of the reaction in terms of the change in concentration of each of the reactants and products.Express the rate of the reaction in terms of the change in concentration of each of the reactants and products.Rate=12Δ[N2O]Δt=−12Δ[N2]Δt=Δ[O2]ΔtRate=Δ[N2O]Δt=12Δ[N2]Δt=−12Δ[O2]ΔtRate=−Δ[N2O]Δt=−12Δ[N2]Δt=12Δ[O2]ΔtRate=−12Δ[N2O]Δt=12Δ[N2]Δt=Δ[O2]ΔtPart BIn the first 14.0 s of the reaction, 1.9×10−2 mol of O2 is produced in a reaction vessel with a volume of 0.460 L . What is the average rate of the reaction over this time...
21. Calculate the energy of a photon whose wavelength is 447 nm 8 pts each 22. Given the following equation, calculate how much so, gas (in grams) is formed when 25 kJ of heat are released 2 ZnS (s) + 3 02 (6) ► 2 ZnO (s) + 2 SO. (6) AH = -878.2 kJ 23. Given the following reactions, N2 (e) + O2(g) → 2 NO (€) 2 NO (g) + O2(g) → 2 NO2(g) 2 N2O(g) → 2...
3. Calculate AH for the reaction Ato AL120103 N2O(g) + NO2(g) → 3 NO(g) from the following enthalpies of reaction: NO(g) + O2(g) + NO2() N2O(g) + N2O) + O2(8) 1 N2(g) + O2(g) → NO(g) AH = -56.6 kJ AH = -81.6 kJ AH = +90.4 k]
Given the following reactions N2 (g) + O2 (g) → 2NO (g) ΔH = +180.7 kJ 2N2O (g) → O2 (g) + 2N2 (g) ΔH = -163.2 kJ the enthalpy of reaction for 2N2O (g) → 2NO (g) + N2 (g) is ________ kJ.
Consider the following reaction: 2 N2O(g) → 2 N2(g)+O2(g). In the first 10.0 s of the reaction, 1.9×10−2 mol of O2 is produced in a reaction vessel with a volume of 0.280L. What is the average rate of the reaction over this time interval? Predict the rate of change in the concentration of N2ON2O over this time interval. In other words, what is Δ[N2O]Δ over Δ[N2O]Δt?
What is the standard enthalpy of formation (AHf) in kJ of NO2(g) given: 2 NO28) →N2(g) + 202(g) AHrxn = -67.6 kJ
Given the following data: () Cu (s) O2 (g)CuO (s) () N2 (g) + 02 (g)NO2 (g) H'--157 kJ AHo+33 kJ calculate AH for the reaction below using Hess' Law. 4 Cu (s) 2 NO2 (g)4 CuO (s) N2 (g)