A 0.02 kg diamond was heated by the addition of 388 joules of energy. If the diamond was initially at 23 C, what is its final temperature. The specific heat of diamond is 520 J/kg-oC.
A 0.02 kg diamond was heated by the addition of 388 joules of energy. If the...
A sample of solid diamond is heated with an electrical coil. If 119 Joules of energy are added to a 13.2 gram sample initially at 22.0°C, what is the final temperature of the diamond? Answer: °C.
A sample of gaseous nitrogen is heated with an electrical coil. If 235 Joules of energy are added to a 14.8 gram sample and the final temperature is 39.7°C, what is the initial temperature of the nitrogen? C. Answer: A sample of solid diamond is heated with an electrical coil. If 124 Joules of energy are added to a 13.8 gram sample initially at 20.4°C, what is the final temperature of the diamond? C. Answer:
A sample of solid sulfur is heated with an electrical coil. If 150. Joules of energy are added to a 14.2 gram sample and the final temperature is 36.8°C, what is the initial temperature of the sulfur? Answer: A sample of gaseous helium is heated with an electrical coil. If 810. Joules of energy are added to a 12.9 gram sample initially at 23.7°C, what is the final temperature of the helium? Answer: C.
How much heat energy in joules must be added to 78 grams of water initially at 23 degrees Celsius if it ends up at 53 degrees Celsius. Remember that the specific heat capacity of water = 4186 J/ (kg oC) or 1 calorie / (g oC)
A sample of solid tungsten is heated with an electrical coil. If 31.6 Joules of energy are added to a 14.5 gram sample initially at 20.8°C, what is the final temperature of the tungsten? Answer: °C. A sample of gaseous krypton is heated with an electrical coil. If 45.6 Joules of energy are added to a 13.1 gram sample and the final temperature is 36.2°C, what is the initial temperature of the krypton? Answer: °C. How much energy is required...
1. A sample of solid chromium is heated with an electrical coil. If 85.0 Joules of energy are added to a 11.3 gram sample and the final temperature is 39.2 °C, what is the initial temperature of the chromium? 2. She heats 18.6 grams of copper to 97.81 °C and then drops it into an insulated cup containing 80.2 grams of water at 24.17 °C. When thermal equilibrium is reached, she measures the final temperature to be 25.67 °C. Assuming...
Energy/Specific Heat (q=mcAT) 1. Determine the energy, in Joules, needed to increase the temperature of 20.00 g of water from 300.0 K to 365.0 K. (Remember that one degree of Celsius contains the same amount of energy as one Kelvin.) 2. Determine the energy, in Joules, released as 1.00 kilogram of water cools from 72.0°C to 30.0°C. 3. 25.0 g of mercury are heated from 25.0° C to 155.0°C and absorbs 455 joules of heat in the process. Calculate the...
1. A sample of solid tungsten is heated with an electrical coil. If 27.1 Joules of energy are added to a 11.3 gram sample initially at 21.9°C, what is the final temperature of the tungsten? Answer: °C. 2. A sample of solid iodine is heated with an electrical coil. If 100. Joules of energy are added to a 14.4 gram sample and the final temperature is 40.0°C, what is the initial temperature of the iodine? Answer: °C. 5.1
if a 100 kg sample of aluminum at 25.0 °C is heated with 500 kJ of heat energy, what will be the final temperature of the metal sample? The specific heat of aluminum is 0.897 J/ g• °C
1) the kinetic energy of a 15.2 kg object traveling at 8.49 m/s is ___ J. 2) A 437.2 g sample of an unknown substance requires 8460 J to increase its temperature from 19.3 oC to 68.9 oC. The specific heat of the substance is ___ J/g oC. 3) A 437.2 g sample of an unknown substance requires 8460 J to increase its temperature from 19.3 oC to 68.9 oC. According to table 5.1 in the text, the sample may...