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Answer it plz 4. Determine the theoretical AH°rxn: The theoretical heat of combustion of ethanol (AH®rxn)...
1.(3pts) Use the following data to determine the AH... of 2 CHO(1) + 21 Og) --> 14 COMg) + 16 HẠO(g) Substance AH(kJ/mol) Substance AH?(kJ/mol Data: C Hag) CH,OH(L) C.H.O(1) CH, O) H.O(g) CO(g) O.(g) 20.9 -239.0 -277.0 -316 0 -241.82 -110.53 C.H.(5) CH,OH(g) C3H20 (1) C-HBO(l) H.O(1) CO; N (8) -104,0 -201.0 -298.6 -340.0 -285.83 -393.51 2.(2pts) If you are given 338,0 g 0 () and a sufficient amount of the other reactant, calculate the heat associated with reaction...
The experimentally determined heat of combustion of ethanol is 1233 kJ/mol. Calculate the heat of combustion of ethanol in kJ/g. Molar mass of ethanol C2H5OH = 46 g/mol C2H5OH(g) + 3 O2(g) → 2 CO2 (g) + 3 H2O(l) LaTeX: \DeltaΔH = -1233 kJ/mol
L 255-7.cozts) to 2) Ethanol, C2H5OH, is promoted as a clean fuel and is used as an additive in many gasoline mixtures. Calculate the AH rxn for the combustion of ethanol. Tail Substance Hºf(kJ/mol) og C2H5OH( -277.0 5 GHSCUli) + O2(9) -> CO2(g) +H2O() CO2(8) -393.5 737 H20(9) -241.8 A)-1235.4 kJ B-751.8 kJ C) -358.3 kJ D) 358.3 kJ E) 1235.4 Kj
LUCJLIUILI Calculate the AH°rxn (in kJ) for combustion of acetone (C3HO): 2C3H6O(g) + 9O2(g) — 6CO2(g) + 6H2O(1) The standard enthalpies of formation are: CO2(g) AH°F = -393.5 kJ/mol H2O(1) AHºr=-285.9 kJ/mol C3H6O(g) AH° = -216.6 kJ/mol
Time Taken:0:33:09 Brandon Bates: Attempt 1 MULUI PUT Ethanol undergoes combustion in oxygen to produce carbon dioxide gas and liquid water. Standard enthalpy formation of [CO2(e)] = -393.5 kJ/mol and [H20(1)] = -285.8 kJ/mol, C,H,OH(1) = -277.6 kJ/mol, what is the standard enthalpy of combustion of ethanol? kJ C,H, OH(1) + 3 02(g) + 2 CO2(g) + 3 H2O(l); A Hex = AH, /mol AH° (ræn) = In A Hfº (products) - In AHF ° (reac tants) +2349 kJ/mol +1366.8...
Example Problem Calculate the enthalpy (AH°, ) of combustion of Benzene, CH6. rxn C6H615/2 O2 (8)6CO2 (g) + 3H2O AH°, [C6H6= 49.0 kl/mol AH°% [CO2(@)= -393 .5 kJ/mol AHO, [H20 = -285.8 kl/mol AH', [O2@= 0 kl/mol
NEED ANSWER ASAP PLZ QUESTION 23 How much heat is released by the complete oxidation of 7.50 g of CH3OH according to the following balanced thermochemical equation? 2CH3OH + 302 --> 2002 + 2H20 AH rxn = - 1528 kJ/mol rxn O 84.9 kJ O 39.2 kJ O 317 kJ o 4.23 kJ 0 179 kJ O 275 kJ O 57.6 kJ 0 841 kJ
Measuring Heat of Reaction Problems 5. A sample of ethanol (C2H5OH), weighing 6.83 g underwent combustion in a bomb calorimeter by the following reaction: 02 (g) 2 CO2 (g)3 H2O () C2H5OH ()3 If the heat capacity of the calorimeter and contents was 18.1 kJ/°C and the temperature of the calorimeter rose from 25.50 to 36.73, (1) what is the AH of the reaction? Using the definitions at the beginning of the module describe (2) the calorimeter + contents, (3)...
4 Question 10 How much heat in kJ is produced by the combustion of 155 g of ethanol (CHO)? CH,O(g) + 302(8) 2002(8) + 3H2O(g): AHørxn--1366.8 kJ/mol The molar mass of ethanol is 46.07 g/mol 4.60 x 10 3.12 x105 2. 11854x105 8.82 4 pts
QUESTION 4 0.5 points Save Answer A 6.32 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter with a heat capacity, C = 5.65 kJ/°C. C2H5OH() + 3 O2(g) 2 CO2(g) + 3 H2O(g) AH®rxn = -1235 kJ If the initial temperature is 25.0°C, what is the final temperature (in °C) of the calorimeter? The molar mass of ethanol is 46.07 g/mol. Remember, in the heat equation, q = m*s*AT, heat capacity is equivalent to C= m*s, giving...