A student drops two metallic objects into a 120-g steel container holding 150 g of water at 25°C. One object is a 152-g
Posted: Wed Jul 06, 2022 11:20 am
A student drops two metallic objects intoa 120-g steel container holding 150 g of waterat 25°C. One object is a 152-g cube of copper thatis initially at 95°C, and the other is a chunk ofaluminum that is initially at 5.0°C. To the surprise ofthe student, the water reaches a final temperatureof 25°C, precisely where it started. What is the mass ofthe aluminum chunk? kg