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(Solved): Aluminum has a specific heat of 0.9J/gC. If 500J was added to a 2.5g aluminum block at 50 ...
Aluminum has a specific heat of 0.9J/g?C. If 500J was added to a 2.5g aluminum block at 50?C, what would be the final temperature of the block? 1) 272?C 2) 500?C 3) 50.9?C 4) 222?C 5) 25?C
Ms. Jones enjoys having a morning swim before she goes to work. Her swimming pool is 25?C. After swimming, she makes herself a cup of tea which is 80?C. Which has more heat: the water in the pool or the water in the tea? Why? 1) The water in the tea has more heat because it has greater average kinetic energy than the water in the pool. 2) The water in the tea has more heat because it has more particles with greater total energy than the water in the pool. 3) The water in the pool and the water in the tea have the same amount of heat because water always has a specific heat of 4.184J/g?C. 4) The water in the pool has more heat because it has more particles with greater total energy than the water in the tea. 5) The water in the pool has more heat because it has greater average kinetic energy than the water in the tea.
A liter of water at 21?C sits outside on a cold day and loses 25,000J of energy. What is the water's final temperature? The density of water is 1.0g/mL and water's specific heat is 4.184J/g?C. 1) 0?C 2) 10?C 3) 15?C 4) 21?C 5) 25?C