Answer to Question #68995 in General Chemistry for victoria

Question

1. What is the energy change when the temperature of 11.4 grams of solid iodine is decreased from 38.6 °C to 24.9 °C ? ____ Joules.

2. How much energy is required to raise the temperature of 10.5 grams of solid tin from 21.2 °C to 37.5 °C ? ____ Joules.

3. A sample of solid graphite is heated with an electrical coil. If 108 Joules of energy are added to a 11.3 gram sample and the final temperature is 36.1°C, what is the initial temperature of the graphite? _____°C.

4. A sample of solid sulfur is heated with an electrical coil. If 118 Joules of energy are added to a 10.4 gram sample initially at 23.6°C, what is the final temperature of the sulfur?_____ °C.

Answer 1

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