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1. A sample of gaseous krypton is heated with an electrical coil. If 43.2 Joules

ID: 932351 • Letter: 1

Question

1. A sample of gaseous krypton is heated with an electrical coil. If 43.2 Joules of energy are added to a 10.8 gram sample initially at 22.8°C, what is the final temperature of thekrypton?

Answer: ________°C.

2. How much energy is required to raise the temperature of 14.5 grams of solid iron from 21.3 °C to 35.4 °C ?

Answer: ___________ Joules.

3. What is the energy change when the temperature of 10.7 grams of gaseous nitrogen is decreased from 35.3 °C to 23.1 °C ?

Answer: ____________ Joules.

4. A sample of gaseous krypton is heated with an electrical coil. If 43.2 Joules of energy are added to a 10.8 gram sample initially at 22.8°C, what is the final temperature of thekrypton?

Answer: __________________°C.

Explanation / Answer

1. A sample of gaseous krypton is heated with an electrical coil. If 43.2 Joules