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The combustion of C2H40(g) has a AHrxn value of -2308.8 kJ. What is the enthalpy change...
), is determined to be -7835.7 kJ mol!! The standard enthalpy change of combustion [to CO2(g) and H200) at 25°C of the organic solid pyrene, CH What is the AH of C16H10(s) based on this value? Use the following data: AH? H20 () --285.83 kJ moll: AH? CO2(8) --393.51 kJ mol! kJ mol!
Question 3 3 pts The AHrxn for the combustion of acetone (C3H60) is -895 kJ, as shown below. How many grams of Oz would need to be consumed by this reaction in order to release 571.9 kJ of heat? Express your answer in units of grams using at least three significant figures. C3H60 (1) + 4 O2(g) + 3 CO2 (g) + 3 H20 (1) AHrxn = -895 kJ
The enthalpy of combustion (ΔH°c) of 1,1,2,2,-tetramethylcyclopropane (C7H14) is -4635.62 kJ/mol. a-Using the appropriate information given below, calculate the enthalpy of formation (ΔH°f), in kJ/mol, for 1,1,2,2,-tetramethylcyclopropane. Report your answer to two decimal places. ΔH°f (CO2 (g)) = -393.51 kJ/mol ΔH°f (H2O (l)) = -285.83 b- Determine the mass (in g) of 1,1,2,2,-tetramethylcyclopropane produced, if ΔH° was determined to be -35.93 kJ during an experiment in which 1,1,2,2,-tetramethylcyclopropane was formed. Report your answer to three significant figures.
Thymol has the formula C10H14O and its combustion can be written as: C10H14O(l) + 13 O2(g) → 10 CO2(g) + 7 H2O(l) The change in enthalpy of combustion of 1 mole of thymol at 298.15 K is determined to be -5660 kJ at constant pressure. What is ΔE for this reaction at 298K? Enter your answer to 4 significant figures in units of kJ. Be sure to include the sign.
1. The enthalpy of combustion (AHº) of 3-octanone (C8H160) is -5052.01 kJ/mol. Using the appropriate information given below, calculate the enthalpy of formation (AH°f), in kJ/mol, for 3-octanone. Report your answer to two decimal places. AH °F (CO2 (9)) = -393.51 kJ/mol AH °F (H20 (1)) = -285.83 kJ/mol Submit Answer Tries 0/13 2. Determine the mass (in g) of 3-octanone produced, if AH° was determined to be -244.93 kJ during an experiment in which 3-octanone was formed. Report your...
The standard enthalpy change for the combustion of 1 mole of propane is -2043.0 kJ. CzH3(g) + 5 O2(g) + 3 CO2(g) + 4H2O(g) Calculate 4, Hº for propane based on the following standard molar enthalpies of formation. molecule CO2(g) H2O(g) 4,Hº (kJ/mol-rxn) -393.5 -241.8
CH_(g) + 2O2(g) → CO2(g)+ 2H2O(1) AH = -890.4 kJ When 1 mole of CO2(g) is produced, what is the enthalpy change? When 3 mol of O, is reacted with an excess of CH4, what is the enthalpy change? When 1 mole of H,O(l) is produced, what is the enthalpy change?
The standard enthalpy change of combustion [to CO2(g) and H2O()] at 25°C of the organic solid para-benzoquinone, C6H4O2(s), is determined to be -2767.0 kJ mol-1. What is the Hf° of C6H4O2(s) based on this value? Use the following data: Hf° H2O () = -285.83 kJ mol-1 ; Hf° CO2(g) = -393.51 kJ mol-1 kJ mol-1
The standard enthalpy change of combustion [to CO2(g) and H2O()] at 25°C of the organic solid bianthracene, C28H18(s), is determined to be -13924.1 kJ mol-1. What is the Hf° of C28H18(s) based on this value? Use the following data: Hf° H2O () = -285.83 kJ mol-1 ; Hf° CO2(g) = -393.51 kJ mol-1 _________ kJ mol-1
The standard enthalpy change of combustion [to CO2(g) and H2O()] at 25°C of the organic solid diphenylacetylene, C14H10(s), is determined to be -7257.6 kJ mol-1. What is the Hf° of C14H10(s) based on this value?