
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Transcribed Image Text:What is the energy change when the temperature of 11.2 grams of solid diamond is decreased from 39.3 °C to 23.4 °C ?
Answer:
Joules.
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- A sample of solid iron is heated with an electrical coil. If 77.7 Joules of energy are added to a 11.9 gram sample and the final temperature is 38.3°C, what is the initial temperature of the iron? Answer: 17.5 °C.arrow_forwardWhat is the energy change when the temperature of 12.9 grams of solid tungsten is decreased from 38.0 °C to 20.3 °C ? Answer: Joules.arrow_forwardHow much energy is required to raise the temperature of 13.3 grams of solid iodine from 24.9 °C to 36.1 °C ?Answer: Joules.arrow_forward
- A sample of liquid mercury is heated with an electrical coil. If 27.1 Joules of energy are added to a 12.9 gram sample and the final temperature is 38.6°C, what is the initial temperature of the mercury? Answer: 54.2 °C.arrow_forwardHow much energy is required to raise the temperature of 11.1 grams of solid iodine from 24.8 °C to 35.4 °C ? Answer: Joules.arrow_forwardA sample of solid silicon is heated with an electrical coil. If 162 Joules of energy are added to a 12.3 gram sample and the final temperature is 39.9°C, what is the initial temperature of the silicon?________ °C.arrow_forward
- A chemical reaction is run in which 295 Joules of work is done on the system and the internal energy changes by + 1030 Joules. Calculate q for the system. q=1 Joulesarrow_forwardWhat is the energy change when the temperature of 14.9 grams of gaseous helium is decreased from 36.2 °C to 21.3 °C ? Answer: Joules.arrow_forwardA sample of solid silver is heated with an electrical coil. If 39.8 Joules of energy are added to a 11.9 gram sample and the final temperature is 36.8°C, what is the initial temperature of the silver?Answer: °C.arrow_forward
- What is the energy change when the temperature of 14.5 grams of solid platinum is decreased from 38.3 °C to 20.9 °C ? Answer: Joules.arrow_forwardHow much energy is required to raise the temperature of 14.7 grams of solid diamond from 21.2 °C to 37.6 °C ?Answer: Joules.arrow_forwardNitesharrow_forward
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