Nha rmation given here, data from here, data from Appendix (7.22) to calculate the standard and equation (7.22) (81...
Use the information given here, data from Appendix D, and equation (7.22) to calculate the standard enthalpy of formation per mole of ZnS(s). 2 ZnS(s) + 302(g) —2 ZnO(s) + 2 SO2(g) A Hº = -878.2 kJ mol-1 (Reference to Equation 7.22):
TC05ЕОЗ Use the enthalpies of formation given in the table below to calculate the standard molar enthalpy change for this reaction at 298K: 2ZnS(s) 302(g) 2ZnO(s) + 2SO2(g) Att / kJ mol at 298K, standard state 1 bar, Substance ZnO(s) -350 SO2(g) -297 ZnS(s) -206 Select one: a. -441 kJ mor1 b. -853 kJ mol1 c. +882 kJ mol 1 d. +441 kJ molr1 e. -882 kJ mol1 TСОЗЕОЗ A chemical reaction carried out at an ambient pressure of 1.02...
Calculate the standard enthalpy of formation of CS2() given that AH=-393.5 kJ/mol AHo = -296.4 kj/mol a. C(s) + O2(g) CO2lg) b. S(s) +O2(g). SO2(g) AH = -1073.6 kj/mol C. CS2(I)+302(g) Co2lg) + 2S02(B)
7- (15 pts) Calculate the standard enthalpy of formation of CS2 (1) given that a. C(s) + O2(g) + CO2(g) b. S(s) + O2(g) → SO2(e) C. CS2() + 302(g) → CO2(g) + ' 250 (6) AH° = -393.5 kJ/mol AH° = -296.4 kJ/mol AH° = -1073.6 kj/mol (the standard state of the element Sulfur is S(s))
Use the values given in the textbook (Appendix B) for the following question. Click here for a similar table. The reusable booster rockets of the space shuttle use a mixture of aluminum and ammonium perchlorate as fuel. A possible reaction is: 3 Al(s) + 3 NH4CIO4 (s) → Al2O3(s) + AlCl3(s) + 3 NO(g) + 6H20 (9) Given that the reaction enthalpy (as written above) is AH° = -2675.3 kJ, What is the standard enthalpy of formation (AHrº) for NH4CIO4(s)?...
TC04M01 Use the enthalpy changes given in the data below to calculate the enthalpy change for this reaction: Cus(s) + O2(g) → Cu(s) + SO2(9) Data: Reaction no. Reaction A.HⓇ/kJ morat 298K standard state = 1 bar. +314 2 2 CuO(s) – 2Cu(s) + O2(g) S(s) + O2(g) - S02(9) 2CuO(s) + 2S(s) - 2CuS(s) + O2(9) -297 +208 Select one: a. +225 kJ/mol b.-85 kJ/mol O C. -244 kJ/mol d. -191 kJ/mol e. -225 kJ/mol
A.Using standard heats of formation, calculate the standard enthalpy change for the following reaction. N2(g) + 3H2(g) = 2NH3(g) B.Using standard heats of formation, calculate the standard enthalpy change for the following reaction. CaCO3(s) = CaO(s) + CO2(g) C. A scientist measures the standard enthalpy change for the following reaction to be -2910.6 kJ: 2C2H6(g) + 7 O2(g) = 4CO2(g) + 6 H2O(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy...
4. Sodium lamps are commonly used to illuminate highways because of their intense yellow- orange emissions at 589 nm a. Calculate the energy, in joules, of one photon of this light. b. Calculate the energy, in kilojoules, of one mole of such photons 5. What is the de Broglie wavelength (in nm) associated with a 2.5 g Ping-Pong ball traveling at 15.6 m/s? 6. What are the possible values of I and what are the possible subshells for an e...
TC05E04 Use the enthalpies of formation given in the table below to calculate the standard molar enthalpy change for this reaction at 298K: 2CuS(s) 302(g)2CuO(s)+ 2SO2(g) AfH / kJ mol at 298K, standard Substance state 1 bar. CuO(s) -157 SO2(g) -297 CuS(s) -53 Select one: a. -802 kJ mol1 b. +401 kJ mol1 c. +802 kJ mol1 d. -507 kJ mol1 e. -401 kJ mol1
Question (1 point) Calculate the enthalpy of formation of 1 mole SO2(g) from the standard enthalpy changes of the following reactions: 280,(8) ► 2002 (8)+02 (8) 2S(s) +302(8) ► 250,(8) s(s) +02(8) - S02(8) AH rxn 1 =1+196 kJ AHPrxn2--790 kJ AHx3 ? 2nd attempt Feedback IN See X -198.23