Ir the combustion of 5. $4 g of 2-methyl-1-butanol resulits in a rise in temperature from...
The combustion of 1.010 g sucrose C12H22O11 in a bomb calorimeter causes the temperature to rise from 24.92 to 28.33 oC. The heat capacity of the calorimeter assembly is 4.90 kJ/ oC. What is the heat of combustion of sucrose in kJ per mole of sucrose?
When 0.605 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 26.8 ∘C to 29.6 ∘C. Part A Find ΔErxn for the combustion of biphenyl. The heat capacity of the bomb calorimeter, determined in a separate experiment, is 5.86 kJ/∘C. Express the energy in kilojoules per mole to three significant figures.
Question 5 (1 point) In order to calibrate a constant volume bomb calorimeter, the combustion of (7.8100x10A-1) g of benzoic acid, C H5COOH, was observed to cause the temperature in the calorimeter to rise from 25.000 to (3.083x10^1) °C. The energy of combustion of benzoic acid, AU, is -3226.7 kJ mol1, What is total heat capacity (C) of the calorimeter (including all its contents) in kJ °C1? Pay attention to significant figures, keeping in mind that a temperature difference is...
The combustion of toluene has a ΔErxn of −3.91 × 10^3 kJ/mol. When 1.45 g of toluene (C7H8) undergoes combustion in a bomb calorimeter, the temperature rises from 23.10 C to 37.58 C. Find the heat capacity of the bomb calorimeter. Express your answer with three significant figures
Combustion of 2.14 g of liquid benzene (C6H 6) causes a temperature rise of 16.2 °C in a constant pressure calorimeter that has a heat capacity of 5.53 k/°C. What is AH for the following reaction? C6H6()+02(g) - 6CO2(8)+ 3 H200) Given the thermochemical equation 4A1C13(s) + 302(g) → 2Al2O3(s) + 6C12(g); AH = -529 kJ/mol-rxn find ΔΗ. for the following reaction. A1203(S) + Cl2(2) — ŞA1C13() + 402(9)
A 0.1785 g sample of magnesium was burned in an oxygen bomb calorimeter. The total heat capacity of the calorimeter plus water was 5,760 J/C. If the temperature rise of the calorimeter with water was 1.25*C, calculate the enthalpy of combustion(in kJ/mol) of magnesium. Mg(s) + 1/2O2(g) -> MgO(s) Write answer to three significant figures. Numeric Response
When 0.508 g of biphenyl (C 12 H 10 ) undergoes combustion in a bomb calorimeter, the temperature rises from 26.5 ∘ C to 29.8 ∘ C . Find Δ E rxn for the combustion of biphenyl. The heat capacity of the bomb calorimeter, determined in a separate experiment, is 5.86 kJ/ ∘ C . Express the energy in kilojoules per mole to three significant figures.
5) Naphthalene combustion can be used to calibrate the heat capacity of a bomb calorimeter. When 0.8210 g of naphthalene was burned in a calorimeter containing 1,000. g of water, a temperature rise of 4.21°C was observed. The heat capacity of the bomb calorimeter excluding the water is 3.64 kJ/°C. What is the heat of combustion of naphthalene in kJ/g? (5 pts)
A calorimeter is to be calibrated: 69.96 g of water at 44.4oC added to a calorimeter containing 65.79 g of water at 21.7oC. After stirring and waiting for the system to equilibrate, the final temperature reached 31.9oC. a. Calculate the change in heat of the warmer water in Joules. Report your answer to three significant figures. Since heat is lost, make sure the sign of your answer is negative. b. Calculate the amount of energy gained by the cold water...
Combustion of 3.65 g of liquid benzene (CH) causes a temperature rise of 21.1°C in a constant-pressure calorimeter that has a heat capacity of 7.23 kJ/°C. What is AH for the following reaction? CH.(l) + O2(e) 6C02(g) + 3H-0(1) Select one: -41.8 kJ/mol b. 152 kJ/mol с. 41.8 kJ/mol d 152 kJ/mol -3.27x 10 kJ/mol