In the specific heat capacity experiment, the unknown object has a mass of 0.058 kg and was cooled to -5 oC. Then, it was placed in a calorimeter (mcalorimeter = 0.12 kg) that contain water (mwarter = 0.22 kg) at a temperature of 28 C. After 5 minutes the temperature dropped to 23 oC. Determine the heat gained by the unknown object. (cwater = 4186 J/kg. C and ccalorimeter = 900 J/kg. C)
In the specific heat capacity experiment, the unknown object has a mass of 0.058 kg and was cooled to -5 oC. Then, it wa...
In the specific heat capacity experiment, the unknown object has a mass of 0.085 kg and was cooled to -6C. Then, it was placed in a calorimeter (mcalorimeter = 0.12 kg) that contain water (mwarter = 0.27 kg) at a temperature of 28 oC. After 5 minutes the temperature dropped to 23C. Determine the heat lost by the calorimeter. (cwater = 4186 J/kg. oC and ccalorimeter = 900 J/kg. oC)
In the specific heat capacity experiment, the unknown object has a mass of 0.070 kg and was cooled to -3C. Then, it was placed in a calorimeter (mcalorimeter = 0.13 kg) that contain water (mwarter = 0.26 kg) at a temperature of 26 oC. After 5 minutes the temperature dropped to 24C. Determine the heat lost by the water. (cwater = 4186 J/kg. C and ccalorimeter = 900 J/kg. C)
In the specific heat capacity experiment, the unknown object has a mass of 0.073 kg and was cooled to -9 C. Then, it was placed in a calorimeter (mcalorimeter = 0.11 kg) that contain water (mwarter = 0.23 kg) at a temperature of 26 C. After 5 minutes the temperature dropped to 22.4 C. Determine the specific heat capacity of the unknown object. (cwater = 4186 J/kg. C and ccalorimeter = 900 J/kg. C)
In the specific heat capacity experiment, the unknown object was cooled, then placed in a calorimeter that contain water. The temperature of the calorimeter and water was measured using a temperature probe. The data was fitted using natural exponent function: 20.3+(24.7-20.3) exp(-t/0.51) Determine the ambient temperature.
In the specific heat capacity experiment, the unknown object was cooled, then placed in a calorimeter that contains water. The temperature of the calorimeter and water was measured using a temperature probe. The data was fitted using natural exponent function: 20.9+(22.9-20.9) exp(-t/0.66) Determine the initial temperature of the calorimeter and water mixture.
A 25.0-g block of ice at -15.00°C is dropped into a calorimeter (of negligible heat capacity) containing water at 15.00°C. When equilibrium is reached, the final temperature is 8.00°C. How much water did the calorimeter contain initially? The specific heat of ice is 2090 J/kg ∙ K, that of water is 4186 J/kg ∙ K, and the latent heat of fusion of water is 33.5 × 104 J/kg.
4. What is the average specific heat capacity of the unknown metal in this experiment? 5. What is the unknown metal? Use Table 1 for reference. Table 2: Mass Mass (8) Water 49.2g Unknown Metal Strip 22.3g Table 3: Specific Heat Data Temperature (°C) Trial 1 Trial 2 Time (minutes) Trial 3 Initial 23 22.6 23.2 5 minutes 23.6 23.3 24.3 6 minutes 23.6 23.3 24.3 7 minutes 23.66 23.3 24.2 8 minutes 23.6 23.3 24.2 9 minutes 23.4 23.3...
An unknown metal sample of 54 g at 108°C is dropped into a calorimeter cup containing 190 g of 2. water at 20.3°c. After equilibrium is reached, the temperature of water is increased to 24.6°C. What is the specific heat of this metal? identify the metal by looking up the specific heat table. (Specific heat of water is 4186 J/kg.°C and heat capacity of the calorimeter is 125 J/oC)
4. What is the average specific heat capacity of the unknown metal in this experiment? 5. What is the unknown metal? Use Table 1 for reference. Table 3: Specific Heat Data Time (minutes) Temperature (°C) Trial 2 Trial 1 Trial 3 Initial 40 40 39 5 minutes 41 42 41 6 minutes 43 43 42 7 minutes 44 45 44 8 minutes 45 45 45 9 minutes 46 46 45 10 minutes 47 47 47 Average Specific Heat Capacity of...
Calorimetry Lab -Finding speficic heat capacity of calorimeter C(cal) I need this by today pls help! Exp.5 CHEMICAL EQUILIBRI 2. (2 marks) Table 1: Determining the heat capacity of the calorimeter. Run 1 Run 2 Run 3 Mass of the hot water, m. (g): Initial temperature of the hot water, T. (°C): Mass of the cold water, me (g): Initial temperature of the cold water and calorimeter, T. (°C): Final temperature of the mixture, T. (°C): Heat lost by the...