please help I need help understanding, explain steps too, thank you 4. Given the following two...
please help, i dont understand and need steps explainsd as well thank you Exercises: 3. Given the following two thermochemical equations, determine the AHºrxn,unknown. N2(g) +2 02(g) – 2 NO2(g) AH®rxn= 67 kJ NO(g) + 12 02(g) → NO2(g) AHºrxn=-56 kJ 4N2(g) + 402(g) → NO(g) AHºrxn,unknown= ? 4. Given the following two thermochemical equations, determine the AHrxn,unknown. Fe2O3(s) + 3 CO(g) – 2 Fe(s) + 3 CO2(g) AH°rxn=-26.7 kJ CO(g) + 42 02(g) → CO2(9) AH°rxn=-283.0 kJ 2 Fe(s)...
please help 4. You are given the following information. C (graphite) + O2 (g) - CO2 (g) CO(g) + 02 (9) - CO2 (g) Determine the standard enthalpy change for the reaction: C (graphite) + 02 (g) - CO(g) AH = - 393.5 kJ AH° = -283.0 kJ AHrxn = ?
2. Determine: 2 Fe2O3 (s) + 3 C(s) + 3 CO2 (g) + 4 Fe (s) Given: 2 Fe (s) + 3/2 O2 (g) → Fe2O3 (s) C(s) + 1/2 O2 (g) → CO (g) CO (g) + 1/2 O2 (g) → CO2 (g) AH = -822.2 kJ AH = -110.5 kJ AH = -283.0 kJ
Please show all steps: Calculate the enthalpy for this reaction: Given the following thermochemical equations: c:H2(g) + (5/2)?2(g) > 2CO2(g) + H20(1) C(s) +02(g) -> CO2(g) ??? =-1299.5 kJ ??? -393.5 kJ ??? 285.8 kJ -> H2
4. You are given the following information. C (graphite) + O2(g) — CO2 (g) CO(g) + 02 (g) - CO2 (g) Determine the standard enthalpy change for the reaction: C (graphite) + / O2 (g) - CO (g) AH° = - 393.5 kJ AH° = - 283.0 kJ AHrxn = ?
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
Calculate the value of AH° for the reaction 2 C2H2 () + 502 () 4002) + 2 H20 (1) given the following thermochemical equations: AH° = - 242 kJ AH° = - 394 kJ H2(g) + 4202) → H20 (8) C(s) + O2(%) + CO2(8) 2 C(s) + H2(g) → C2H2 (6) H20 () → H30Ⓡ AH° = +227 kJ AH° = +44 kJ TO - 907 kJ 0 - 2602 kJ 0 - 2514 kJ - 1694 kJ
Given the following balanced equation for the combustion reaction of an unknown fuel: 4 Fuel (1) + 902(9) -> 8C02(g) + 10H 20(1) + AHørxn = -3857 kJ/mol 2N2(g) Given that AH°f{CO2(g)) = -393.5 kJ/mol and AH°f[H2001)) = -285.8 kJ/mol, calculate the enthalpy of formation of this fuel. Write answer to four significant figures. Numeric Response
Please help with number 4 please show steps 4. Given the following thermochemical equations: C,H,(g) + 9/202です C (s) O2 g H, (g) + 1/2O3(g)- 3CO2 (g) + 3 H2O (1) ITH=-1934.1 kJ CO2 (g) OH -393.5 kJ H2O (1) 0H =-285.8 kJ Calculate UH for the decomposition of one mole of propane, C3H6 (g), to its elements in their stable state at 25°C and 1 atm pressure,
1.(3pts) Use the following data to determine the AH... of 2 CH2O(1) + 15 O_() ---> 10 CO(g) + 12 H.O(1) Data: Substance AH(kJ/mol) Substance AH(kJ/mol) CHg) CH,OH(L) C.H.O(1) CH401) H2O(g) CO(g) O2(g) 20.9 -239.0 -277.0 -316,0 -241.82 -110.53 CH.(8) CH,OH(S) CsH 20 (1) CHO(1) HO() -104.0 -201.0 -298.6 -340.0 -285.83 -393.51 CO2 NB) 2.(2pts) If you are given 148.0 g O(g) and a sufficient amount of the other reactant, calculate the heat associated with reaction in problem 1 and...