advertisement

Specific Heat Practice Problems Directions: Answer the questions in this document and save it with your name. (For example: Specific Heat Flores) Submit the file when turning in the assignment. 1. How much energy is needed to raise the temperature of a 75 g sample of aluminum from 22.4 ⁰C to 94.6 ⁰C? Refer to Table 1. (Show your work) 2. Energy in the amount of 420 J is added to a 35 g sample of water at a temperature of 10.0 ⁰C. What is the final temperature of the water? Refer to Table 1. (Show your work) 3. What is the specific heat of a substance that absorbs 2.5 x 103 joules of heat when a sample of 1.0 x 104 g of the substance increases in temperature from 280 K to 340 K? (Show your work) 4. A 1000 g sample of metal with a specific heat of 0.50 J/g·K is heated to 100.0 ⁰C and then placed in a 50.0 g sample of water at 20.0 ⁰C. What is the final temperature of the metal and the water? (Show your work) 5. A 2800 g sample of a metal with a specific heat of 0.43 J/g·K is heated to 373 K then placed in a 50.0 g sample of water at 303 K. What is the final temperature of the metal and the water? (Show your work)