The reaction that represents the standard enthalpy of formation for benzene (C6H6) is: O CoH6() +6...
Part A What is the standard enthalpy change for the reaction that represents breaking all the bonds in gaseous benzene, C6H6(g)? Express your answer to one decimal place and include the appropriate units. Consider benzene in the gas phase, C6H6(g). Use the heat of formation, ΔH∘f, values below to answer the questions. Substance ΔH∘f (kJ/mol) H(g) 217.94 C(g) 718.4 C6H6(g) 82.9
Write a balanced equation for the combustion of benzene, C6H6(l) . If the standard heat of combustion of benzene is –3271 kJ/mol. Calculate its standard heat of formation, H°f , given the following data: ( 4 pts) H°f [CO2(g)] = –394 kJ; H°f [H2O(l)] = –286 kJ
formation reaction for CH3HgCl Which one of the following equations represents the formation reaction for CH3HgCl? a. Hg(0) + C(graphite) + 1/2Cl2(g) + 3/2H2(g) → CH3HgCl(s) 2Hg(0) + 2C(graphite) + 3H2(g)+Cl2(g) 2CH3HgCl(s) C. Hg() + C(diamond) + HCl(g) + H2(g) → CH3HgCl(s) d. 2H90 + 2C(graphite) + 3H2(0)+C12(9) 2CH3HgCl(s) Hg() + C(graphite) + HCl(g) + H2(g) - CH3HgCl(s)
Write down in standard formation reaction for the formation reaction for benzene, C6H6 (l) The equation should be balanced and should indicate the physical state of each substance. ( 4 pts )
Which of the following statements is/are correct? 1. ∆H° for the reaction C(diamond) + O2(g) → CO2(g) is the enthalpy of combustion of diamond. 2. ∆H° for the reaction C(graphite) + 1/2 O2(g) → CO(g) is the standard enthalpy of formation (∆Hf) of CO(g). 3. ∆H° for the reaction C(graphite) → C(diamond) is the standard enthalpy of formation (∆Hf) of diamond. A. all B. 2 only C. 1 and 2 only D. 1 and 3 only E. 2 and 3...
using the standard enthalpies of formation, what is the standard enthalpy of reaction? CO(g) +H2O(g) =CO2 (g) + H2 (g)
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...
2. Use the thermochemical equations shown below to determine the enthalpy for the reaction: (5 marks) C3H8(0) + 5O2(g) →3CO2 + 4 H2O) CO2 +Cgraphite) + O2 AH° = 221.6KJ H2(g) + 1/2O2(g) +H2O AH = -160.3KJ 3 C(graphite) + 4H2(g) →C3H8(9) AH = -58.5KJ 3. Use the thermochemical equations shown below to determine the enthalpy for the reaction: (5 marks) SO2(g) →S(8) + O2(9) H2S(g) + 3/202(g) → H2SO3(1) H2SO3(1)→ H2O +SO2(g) H2S(9)+ 1/2O2(0)+S(8) + H2O) AH = -306KJ...
Calculate the standard enthalpy of formation of gaseous carbon dioxide (CO2) using the following thermochemical information: 2 C(s) + H2(g) C2H2(g) H = +226.8 kJ 2 C2H2(g) + 5 O2(g) 4 CO2(g) + 2 H2O(l) H = -2599.3 kJ 2 H2O(l) 2 H2(g) + O2(g) H = +571.7 kJ H = _______kJ
Part A The standard enthalpy of formation for ethanol (CH,COOH() is 484.3 kJ/mol What is the correct formation equation corresponding to this AHP? 2 C(s, graphite) + 2 H2O(1) CH,COOH(1) 2 C(s, graphite) + 2 H2(g) O2(0) CH,COOH(I) 2 C(s, graphite) + 2 H2O() CHCOOH(1) 2 C(s, graphite) + 2 H2(1) 10 (1) CHCOOH() Submit Resuest Answer Provide Feedback