Use the following scenario to answer questions 1-4. Into a well insulated cup (m
ID: 1002119 • Letter: U
Question
Use the following scenario to answer questions 1-4. Into a well insulated cup (meaning no heat lost or gained to the surroundings) a sample of water at room temperature is added. To the water, a sample of metal at 80 degree C is added. What object(s) gain(s) energy? Choose all that apply The cup The water The metal. The air surrounding the cup. What is the relationship between the heat gained and the heat lost by the objects? The heat lost is greater then the heat gained. The heat gained is greater than the heat lost. The heat gained is equivalent to the heat lost. The heat gained and lost depend on the relative temperatures and therefore the relationship cannot be determined with the information given. What is the relationship between the final temperatures of the metal and the water? When equilibrium is established, the temperature of the metal will be greater than that of the water. When equilibrium is established, the temperature of the metal will be less than that of the water. When equilibrium is established, the temperature of the metal will be the same as that of the water. It depends onteh masses and initial temperatures of the materials, therefore it cannot be determined.Explanation / Answer
1. When a heated metal is dropped into an isulated cup with water at room temperature, heat is gained both by the cup and water.
2. Heat gained is equivalent to heat lost.
3. When equilibrium is established, the temperature of metal will be same as that of water.