The complete solution of all the question is given in the following image:
21. Calculate the energy of a photon whose wavelength is 447 nm 8 pts each 22....
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
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
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...
Practice with Hess's Law and Standard Heats of Formation 1. (Example) The reaction C2H4 (g) + 6 F2 (g) → 2 CF4(g) + 4 HF (g) can be written as the sum of: C2H4 (9) ► 2 C(s) + 2 H2 (g) AH = -52.3 kJ/mol 2 C(s) + 4 F2 (9) ► 2 CF4(9) AH = -1360 kJ/mol 2 H2(g) + 2 F2 (g) → 4 HF (a) AH = -1074 kJ/mol C2H4(g) + 6 F2(g) → 2 CF4(g)...
5) Given the following reactions (8) 2413) (9) LIST-HA AH = +180.7 kJ N2(g) + O2(g) 2NO(g) 2NO(g) + O2(g) +2NO2 (8) AH =-113.1 kJ the enthalpy for the decomposition of nitrogen dioxide into molecular nitrogen and oxygen 2NO2(g) →N2 (8) + 202 (8) HD - - kJ
Nha rmation given here, data from here, data from Appendix (7.22) to calculate the standard and equation (7.22) (81. Use the Use the informati D, and equs enthalpy of forma 2 ZnS(s) + 302 ( of formation per mole of ZnS(s). + 3 O2(g) 2 ZnO(s) + 2 SO2(g) ArHº = -878.2 kJ mol-1
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]
Practice with Hess's Law and Standard Heats of Formation 1. (Example) The reaction C He(g) + 6 F2 (g) → 2 CF4(g) + 4 HF (9) can be written as the sum of: CH4 (9) ► 2 C(s) + 2 Ha(o) AH = -52.3 kJ/mol 2 C(s) + 4 Faq) → 2 CF4g) SH -1380 kJ/mol 2 Haq) + 2 Fala) > 4 HF HE.1074 kJimol CsHe(g) + 6 F2 (g) → 2 CF.(g) + 4 HF (g) AH =...
1. Calculate the amount of ZnO(s) produced during the reaction when 4410 kJ of heat were produced 2 ZnS + 3 02(8) 2 ZnO + 2 SO2(8) AH = - 879 kJ 2. The following equation is given: H29) + 1/2 026) → H20, AH = - 144 kJ What is the AH for this equation? 2 H,00) + 2 H2(g) + O2(6)
Help me get the answer -78.5 2) Use Hess's law to calculate the enthalpy of the reaction below using the following information. [Ans: -78.5] HCl(g) + NaNO2(s) → HNO2(1) + NaCl(s) AH=? 2NaCl(s) + H2O(l) + 2HCl(g) + Na2O(s) NO(g) + NO2(g) + Na2O(s) - 2NaNO3(s) NO(g) + NO2(g) N2O(g) + O2(g) 2HNO2(1) - N2O(g) + O2(g) + H2O(1) AH = 507 kJ AH = -427 kJ AH = -43 kJ AH = 34 kJ