The complete combustion of 0.5763 g of meat in a calorimeter (C calorimeter= 6.02 KJ/℃) raised the temperature of the calroimeter from 26.10℃ to 28.55℃. What is the food value of the meat in calories per gram?
(Note: 4.184 KJ =1 Cal
The complete combustion of 0.5763 g of meat in a calorimeter (C calorimeter= 6.02 KJ/℃) raised the temperature of the ca...
A 2.991 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of the calorimeter and its contents increase from 23.95 °C to 27.24 °C. The heat capacity (calorimeter constant) of the calorimeter is 28.85 kJ/°C, what is the heat of combustion per gram of the material? heat of combustion: kJ/g
The complete combustion of salicylic acid releases 21.90 kJ of energy per gram of salicylic acid. In a particular bomb calorimeter (initially at room temperature), the combustion of 0.2038 g of salicylic acid, in the presence of excess oxygen, causes the temperature of the calorimeter to rise by 2.94 °C. When a 0.2172-g sample of an unknown organic substance is similarly burned in the same calorimeter, the temperature rises by 4.58 °C. What is the energy of combustion per unit...
Under constant-volume conditions the heat of combustion of benzoic acid (C6H5COOH) is 26.38 kJ/g. A 2.740?g sample of benzoic acid is burned in a bomb calorimeter. The temperature of the calorimeter increases from 21.40?C to 29.97?C. What is the total heat capacity of the calorimeter? A 1.460?g sample of a new organic substance is combusted in the same calorimeter. The temperature of the calorimeter increases from 22.14 ?C to 27.09 ?C. What is the heat of combustion per gram of...
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?
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
The combustion of 4.086 g of In increased the temperature of a calorimeter by 1.626 °C. The energ equivalent (the amount of energy required to raise the temperature by 1°C) of the calorimeter is 10.095KJ. What is the heat evolved per mole of In? Calculata tho han
A 1.009 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of the calorimeter and its contents increase from 23.57 °C to 28.66 °C. The heat capacity (calorimeter constant) of the calorimeter is 30.07 kJ/C, what is the heat of combustion per gram of the material? heat of combustion: kJ/g
A 2.569 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of the calorimeter and its contents increase from 24.77 °C to 28.40 °C. The heat capacity (calorimeter constant) of the calorimeter is 33.79 kJ/ °C, what is the heat of combustion per gram of the material? heat of combustion: kJ/g
A researcher studying the nutrional value of a new candy places a 3.40 g sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increases is 2.17 C. If the heat capacity of the calorimeter is 30.40 kJ•K-1, how many nutrional Calories are there per gram of the candy? Calories per gram of candy: ________ Cal/g
Info needed For reaction 2, the combustion of sucrose, the balanced equation is: C12H22O11 (s) + 12 O2 (g) → 12 CO2 (g) + 11 H2O (l) & table Quantity Value Unit MARKS mass of sucrose 1.0255 g 1 Mark Initial Temperature (Ti ) 24.186 °C 1 Mark Final Temperature (Tf ) 25.726 °C 1 Mark ΔT Click or tap here to enter text. °C 1 Mark The reaction studied in part 2 of this laboratory shows an example of...