Sucrose (table sugar, C12H22O11) can be oxidized to CO2 and H2O, and the enthalpy change for the reaction can be measured. C12H22O11(s) + 12 O2(g) → 12 CO2(g) + 11 H2O(ℓ) ΔHrxn° = -5645 kJ/mol-rxn What is the enthalpy change when 7.00 g of sugar is burned under conditions of constant pressure? kJ
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Sucrose (table sugar, C12H22O11) can be oxidized to CO2 and H2O, and the enthalpy change for...
sucrose (C12H22O11 table sugar) is oxidized in the body by O2 via a complex set of reactions that ultimately produces CO2(g) and H2O(g) and releases 5.16X103 kJ/mol sucrose. a) Write a balanced thermochemical equation for this reaction for the reaction. Include the physical state of each reactant and product. enter your answer in scientific notation. b) how much heat is released per gram of sucrose oxidized?
Sucrose, C12H22011, is table sugar, and it has a (enthalpy of reaction) AH. of –5639.7 kJ/mol. Determine the AH; of sucrose given AH+ (H2O(1)) = -285.8 kJ/mol, and AH+ (CO2(g)) = -393.5 kJ/mol. [3] C12H22O4(s) + 12 O2(g) → 12 CO2(g) + 11 H2O(1)
Part A Determine the enthalpy for this reaction: Ca(OH)2(s)+CO2(g)→CaCO3(s)+H2O(l) Express your answer in kilojoules per mole to one decimal place. ΔHrxn∘= kJ/mol Part B Consider the reaction Ca(OH)2(s)→CaO(s)+H2O(l) with enthalpy of reaction ΔHrxn∘=65.2kJ/mol What is the enthalpy of formation of CaO(s)? Express your answer in kilojoules per mole to one decimal place. ± Enthalpy Enthalpy H is a measure of the energy content of a system at constant pressure. Chemical reactions involve changes in enthalpy, ΔH, which can be measured...
The standard molar enthalpy of formation of sucrose (C12H22O11) is -2222 kJ/mol. What is the enthalpy of combustion of a sugar cube of sucrose weighing 2 g? If 25% of this energy can be converted to work by the human body, to what height can a 100 kg man climb on the energy derived from such a sugar cube? Assume the man is on the surface of the Earth.
59. Combustion of table sugar produces CO2(g) and H20(). When 1.46 g of table sugar is combusted in a constant- volume (bomb) calorimeter, 24.00 kJ of heat is liberated. a. Assuming that table sugar is pure sucrose [C12H22O11(s)), write the balanced equation for the combustion reaction. b. Calculate AE in kJ/mol C12H22011 for the combus- tion reaction of sucrose.
Enthalpy changes for the following reactions can be determined experimentally: C2H4(g) + 3 O2(g) → 2 CO2(g) + 2 H2O(l) C2H5OH(l) + 3 O2(g) → 2 CO2(g) + 3 H2O(l) ΔHorxn = -1411.1 kJ/mol-rxn ΔHorxn = -1367.5 kJ/mol-rxn Use the given values to determine the enthalpy change for the reaction: C2H4(g) + H2O(l) → C2H5OH(l) ΔHorxn (answer) = kJ/mol-rxn
The combustion of gasoline in a car is similar to our respiration of C12H22O11(s) sugar/food where the products for both are carbon dioxide and water. The complete balance equations for the combustion of gasoline and sugar are listed below 2 C8H18 (l) + 25 O2 (g) → 16 CO2 (g) + 18 H2O (g) C12H22O11(s) + 12 O2 (g) → 12 CO2 (g) + 11 H2O (g) How much energy (in kJ) is produced by the combustion of 1.60 gallons...
Table sugar (sucrose) is hydrolyzed to form glucose (a simple sugar) according to the following equation: C12H220 i 1 (s)-H2O(g)→2C6H 1206(s) Determine the enthalpy change for the hydrolysis reaction given the following information: C12H22011 (s) + 1202(g) → 12CO2(g) + i i H2O(g) AH-5640 kJ C,H,..(s) + 602(g)-→ 6CO2(g) + 6H20(g) 6 126 H2800 kJ rxn kj
The compound 1-pentanol, C5H12O, is a good fuel. It is a liquid at ordinary temperatures. When the liquid is burned, the reaction involved is 2 C5H12O(ℓ) + 15 O2(g)10 CO2(g) + 12 H2O(g) The standard enthalpy of formation of liquid 1-pentanol at 25 °C is -351.6 kJ mol-1; other relevant enthalpy of formation values in kJ mol-1 are: C5H12O(g) = -294.6 ; CO2(g) = -393.5 ; H2O(g) = -241.8 (a) Calculate the enthalpy change in the burning of 5.000 mol...
C12H22O11(s) + 8 KClO3(s) -> 12 CO2(g) + 11 H2O(g) + 8 KCl(s) KClO3 = 122.6 g/mol sucrose = 342.3 g/mol CO2 = 44.01 g/mol 1 skittle = 0.84 grams of sucrose How many grams of reactant remain (excess) after 2.5 g sucrose and 25.0 g KClO3 react?