A student drops two metallic objects into a 120-g steel container holding 150 g of water at 25°C. One object is a 154-g
Posted: Wed Jul 06, 2022 11:24 am
A student drops two metallic objects into a 120-g steelcontainer holding 150 g of water at 25°C. One object is a 154-gcube of copper that is initially at 94°C, and the other is a chunkof aluminum that is initially at 5.0°C. To the surprise of thestudent, the water reaches a final temperature of 25°C, preciselywhere it started. What is the mass of the aluminum chunk? kg