Combustion of 3.50 g of ethanol, C2H5OH(l), in a 100.0 g calorimeter with a heat capacity of 152 J/g0C causes a temperature increase from 19.88 0C to 26.18 0C.  Find the molar enthalpy of combustion for ethanol from this evidence.

THERMODYNAMICS: A 1.09 g sample of acetic acid (HC2H2O2) was burned in excess oxygen in a bomb calorimeter. The calorimeter, which alone had a heat capacity of 2.67 KJ°C. contained 7g of water. The temperature of the calorimeter and its contents increased from 24.13°C to 27.95°C. What is AH (in kJ) for the combustion per 1.00 mol of acetic acid? MW of acetic acid is 60 gimol. (Round off the final answer to ONE decimal place. Do not include the unit.)

Sucrose is common sugar. It is produced naturally in plants, from which table sugar is refined. A sample of sucrose (C12H22O11) with a mass of 2.68 g is burned in a bomb calorimeter. The heat capacity of this calorimeter is 8.91 kJ/°C. The temperature changes from 23.0°C to 30.5°C. Calculate the heat of combustion of sucrose in kilojoules per mole.     Question options: a. -8.54 x 103 b. 4.64 x 105 c. 2.01x 10-4 d. -1.88 x 102

When 1.836 grams of sucrose (Molar mass 342.3 g/mol) is burned in a bomb calorimeter, the temperature of the calorimeter increases from 22.41°C to 26.63°C. If the heat capacity of the calorimeter is 4.900 kJ/°C, what is the heat of combustion of sucrose?

6, A 0.213 g sample of an organic compound with a molar mass of 386.0 g/mol was burned in the bomb calorimeter with a heat capacity of 2.54 kJ/K. The temperature in the calorimeter increased by 4.12 K. Calculate the energy of combustion of the compound in kJ/mol. A, –1.896 x103 B, –4.90 x102 C, 0.00937 D, –1.90 x104 E, -531

When a 4.31 g sample of liquid octane (C8H18) is burned in a bomb calorimeter, the temperature of the calorimeter rises by 27.3 °C. The heat capacity of the calorimeter, measured in a separate experiment, is 6.2 kJ/•C. The calorimeter also contains 3.00 kg of water, specific heat capacity of 4.18 J/g°C. Determine the heat of combustion of octane in units of kJ/mol octane. Enter your answer numerically and in terms of kJ/mol.

The combustion of 1.00mol of glucose (C6H12O6) liberates 2820 kJ of heat. If 1.64g of glucose is burned in a calorimeter containing 788 g of water, and the temperature of the assembly increases from 20.10oC to 24.16oC, what is the heat capacity of the calorimeter in kJ/oC? MW of glucose is 180 g/mol.

5. The molar mass of enthalpy of combustion of glucose, C6H1206 is -2803 kJ. A mass of 1.00 g glucose is combusted in a bomb calorimeter. If the calorimeter contains 875 g H20 and the bomb has a heat capacity of 475 J°C1, what is the temperature increase of the bomb calorimeter? The specific heat capacity of water is 4.184 J K-1 g1 and the molar mass of glucose is 180.2 g mol-1.

The combustion of toluene has a AErxn of -3.91 x 10³ kJ/mol. When 1.30 g of toluene (C7H8) undergoes combustion in a bomb calorimeter, the temperature rises from 22.80 °C to 36.11 °C. Find the heat capacity of the bomb calorimeter. Express your answer using three significant figures. Ccal = 17| ΑΣΦ ? kJ/°C

1.) The molar heat of combustion of octane to form carbon dioxide and water vapour is ─5470.1kJ/mol. Using this value, determine the mass of octane required to increase the temperature of 1.50 L of water from 22.0°C to 85.6°C. 2.) A simple calorimeter is filled with 250g of water initially at 25.0°C. A mass of 0.500g of benzene is completely burned to heat the water in the calorimeter. The highest temperature of the calorimeter water is measured at 44.0°C. What is the experimental value of the molar enthalpy of combustion of benzene?