A liter of water is heated to 80 degrees. At that point, the heat is turned down but continues to add heat to the water. The burner is adding 50 calories of heat each minute to the water, but the temperature remains at 80 degrees. What must be happening?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

Apatient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused this symptom?

What causes the formation of ocean currents?