Areaction that gives off heat is known as (4 points) exothermic endothermic dynothermic energy producing

Which best explains why an iceberg floats?

In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j

Which change to the system wood cause the freely-moving piston to lower?