Question

Which has more thermal energy, a 75g metal pot or 75g of water that are both 79* Celsius

Answer 1

Answer:

75 g of water

Explanation:

Thermal energy refers to an object's internal energy. This internal energy is brought about by kinetic energy (energy due to motion). If two objects have the same mass, their thermal energy can be drawn upon the presence of varying temperatures. However, in the case above, both water and metal pot have the same mass and temperatures. Thus, we have to compare both of them in terms of "specific heat" (not on the basis of temperature).

Specific heat is a form of thermal energy. It refers to the object's resistance when there is a change in temperature. Water is said to have more specific heat than metals. In fact, is has a "high specific heat." This means that once the water is heated, it takes a longer time for it to cool down compared to metals. This is because its heat loss is in a slower process.

Thus, a 75 g of water has more thermal energy than a 75 g of metal pot.