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A researcher studying the nutritional value of a new candy places a 5.60 g sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.41 °C. If the heat capacity of the calorimeter is 47.50 kJ.K-, how many nutritional Calories are there per gram of the candy? Calories per gram of candy: Cal/g

How much heat energy is required to raise the temperature of 0.361 kg of copper from 23.0 °C to 60.0 °C? The specific heat of copper is 0.0920 cal/(g ·°C). Express your answer with the appropriate units. • View Available Hint(s) HÀ ? heat = Value Units

When 1.60 g of liquid PCI3 at 23.9 C is added to a solution of water at in a coffee cup calorimeter, the temperature of the solution increases to 43.8C. If the heat capacity of the solution and calorimeter is 421.7 J/C, calculate the molar heat of the PCI3. Answer to 0 decimal places in kJ/mol. Your Answer: Answer

- 1 A sample of glass, which has a specific heat capacity of 0.670 J-g.°C¯', is put into a calorimeter (see sketch at right) that contains 150.0 g of water. The glass sample starts off at 94.1 °C and the temperature of the water starts off at 24.0 °C. When insulated container the temperature of the water stops changing it's 28.2 °C. The pressure remains constant at 1 atm. water dlo Calculate the mass of the glass sample. Be sure your answer is rounded to the correct number of significant digits. sample 18 Ar a calorimeter x10