1. Calculate the amount of ZnO(s) produced during the reaction when 4410 kJ of heat were...
Calculate the amount of ZnO(s) produced during the reaction when 4410 kJ of heat were produced. 2 ZnS(s) + 3 O2(g) → 2 ZnO(s) + 2 SO2(g) ΔH = _ 879 kJ Options: 10.0 mole ZnO 5.00 mole ZnO 20.0 mole ZnO 0.399 mole ZnO
5. Heat of Reaction under standard conditions : Determine the amount of heat (in kJ) given off, when 1.26 x 104 g of ammonia ( NH3 ) are produced according to the equation : N2 (g) + 3 H2 (g) → 2 NH3 (g) ....... AH ºrx = - 92.6 kJ Assume that the reaction occurs at Standard State conditions at 25 C. ANSWER : Total Heat Given Off: _ (units ?) 6. Standard Enthalpy of Formation and Reaction :...
Homework Thermochemistry Name: 1. Calculate the mass of O that is produced by photosynthesis when 2.49 x 109 kJ of solar energy is consumed by the following reaction: 6 H20 (1) + 6 CO2 (g) - C&H 20(s) + 6 02 (g) ; AH-2803 kJ 2. Given the following thermochemical equation, what amount of energy is absorbed/given off when 255 g of CuO is reacted. 2 Cu20 (s) - 4 Cu (s) + O2(g) : AH = 333.8 kJ 3....
1. Calculate AH for the reaction C2H4 (8) + H2() → C2H6), from the following data. C2H4 (g) + 3 02 (®) → 2 CO2 (s) + 2 H20 (1) C2H6 (g) + 7/2 02(g) → 2 CO2(g) + 3 H20 (1) H2 + 1/2O2() → H20 (1) AH = -1411. kJ/mole AH = -1560. kJ/mole AH = -285.8 kJ/mole 2. Calculate AH for the reaction 4 NH3(g) +502 (g) → 4 NO(g) + 6 H20 (g), from the following...
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...
Calculate the heat change, in kJ, if 8.7395x1012 ng of carbon dioxide were produced in the following reaction: C(s) + O2(g) CO2(g) AH = -393.5 kJ/mol q=C MAT
Calculate the heat of reaction for the conversion of 1 mole of glucose into formaldehyde, given the following thermochemical data: H2CO(g)+02(8) Co2(s)+H20(g) AH Comb-572.9 kJ/mol 6C(s)+6H2(g)+302(8)» CH120(s) AH=-1274.4 kJ/mol [C)+0,()Co,() AH-393.5 kJ/mol H()0() ,H20(g) AH=-285.8 kJ/mol What is the AHn for the reaction below? - бн, со (3) Сон20, (3) kJ
Given the following equations and AH°: AH° (kJ/mol) -188 kJ Equation H2 + O2-H202 H2+1/202-H20 CS2 + 302-CO2 +2 SO2 -286 kJ -1077 kJ Calculate the value of AH° for this reaction: CS2 + 6H2O2 -> CO2 + 6H20 +2 SO2 0 -1551kJ 0-1665 kJ 0 -3921 kJ -1175 kJ
HQ11.43 Homework Answered For the reaction of H2(g)+1/2 02(g) H20(g), AH° is -285.82 kJ. What is AHo for the reaction 2H20(g) -- > 2H2(g) + 02(g)?| HQ11.45 Homework Unanswered Using the first equation in HQ11.43, how grams of 02(g) will be needed to produce 55.0 kJ of heat if reacted in excess H2(g)? Report answer in grams without units Numeric Answer:
Given the following equations and AHº: Equation AH° (kJ/mol) -188 KJ H2 + O2 + H202 H2+1/202-H20 CS2+302 CO2 + 2 SO2 -286 kJ -1077 kJ Calculate the value of AH° for this reaction: CS2 + 6H2O2 CO2 + 6H2O +2 SO2 0 -1551 kJ 0-1175 kJ $ 0 -3921 kJ -1665 kJ