One tablespoon of peanut butter has a mass of 16.0 g. When it is combusted in a bomb calorimeter with a heat capacity of 103.3 kJ/ C, submerged in 4.0 L of water. The temperature of the water rises from 22.2 C to 25.4 C. Find the food caloric content of peanut butter in Cal/g. Assume density of water is 1.0 g/mL. The specific heat of water is 4.184 J/gC
One tablespoon of peanut butter has a mass of 16.0 g. When it is combusted in...
One tablespoon of peanut butter has a mass of 17 g. It is combusted in a calorimeter whose heat capacity is 110 kJ/degrees C. The temperature of the calorimeter rises from 22.0 degrees C to 25.2 degrees C. Find the food caloric content of peanut butter. Express your answer using two significant figures.
One tablespoon of cookie dough has a mass of 13.63 g. It is combusted in a calorimeter whose heat capacity is 71.10 kJ/C. The temperature of the calorimeter rises from 21.34 °C to 24.11 °C. Find the food caloric content of the cookie dough in Calories per gram. caloric content: Cal/g
1a) Consider the reaction: C12H22O11(s)+12O2(g)→12CO2(g)+11H2O(l) in which 10.0 g of sucrose, C12H22O11, was burned in a bomb calorimeter with a heat capacity of 7.50 kJ/∘C. The temperature increase inside the calorimeter was found to be 22.0 ∘C. What is the heat of this reaction per mole of sucrose? 1b) One tablespoon of peanut butter has a mass of 17.0 g. It is combusted in a calorimeter whose heat capacity is 110 kJ/°C. The temperature of the calorimeter rises from 21.6...
< Question 8 of 10 > One tablespoon of cookie dough has a mass of 15.22 g. It is combusted in a calorimeter whose heat capacity is 72.27 kJ/C The temperature of the calorimeter rises from 20.67 °C to 24.73 °C. Find the food caloric content of the cookie dough in Calories per gram. caloric content:
A 3.250 g sample of methanol, CH_3OH, is combusted in a bomb calorimeter. The temperature of the calorimeter increases by 12.55 degree C. If the heat capacity of the bomb is 8500 J/degree C and it contains 1.200 kg of water, what is the heat evolved per mole of ethanol combusted? The specific heat capacity of water is 4.184 J/g middot K and the molar mass of methanol is 32.04 g/mol. -1321 kJ -726.4 kJ -621.2 kJ -105.2 kJ -63.01...
7. A 3.25 g sample of methanol, CH3OH, is combusted in a bomb calorimeter. The temperature of the calorimeter increases by 10.6°C. If the heat capacity of the bomb is 855 J/C° and it contains 1.000 kg of water, what is the heat evolved per mole of ethanol combusted? (The specific heat capacity of water is 4.184 J/g:K) (15 pts.)
I 7. A 3.25 g sample of methanol, CH3OH, is combusted in a bomb calorimeter. The temperature of the calorimeter increases by 10.6°C. If the heat capacity of the bomb is 846 JC and it contains 1.000 kg of water, what is the heat evolved per mole of ethanol combusted? (The specific heat capacity of water is 4.184 J/gK) (15 pts.)
If 6.28 g of glucose is combusted in a bomb calorimeter at constant pressure, the temperature of the calorimeter rises by 5.25°C. If the specific heat of the calorimeter is 18.6 kJ/°C, what is the molar heat of combustion for glucose?
A 2.50 g sample of ethanol, C2H5OH, was combusted in the presence of excess oxygen in a bomb calorimeter containing 2.00 kg of water. The temperature of the water increased from 22.500oC to 27.845oC. The heat capacity of the calorimeter is 2520 J/oC and the specific heat capacity of water is 4.184 J/goC. Calculate the molar enthalpy of the combustion reaction in kJ/mol
When a 0.245-g sample of benzoic acid is combusted in a bomb calorimeter, the temperature rises 1.644 ∘C . When a 0.275-g sample of caffeine, C8H10O2N4, is burned, the temperature rises 1.520 ∘C . Using the value 26.38 kJ/g for the heat of combustion of benzoic acid, calculate the heat of combustion per mole of caffeine at constant volume.