Heart diseases maybe: A symptom of tension/pressure inleft side of ribs/back is more likely a angina occure. Angina is chest pain or discomfort that occurs when the heart is working harder than usual. ...Read more.
The energy that is lost by the coffee and the mug is being transferred to the colder surroundings. We refer to this transfer of energy from the coffee and the mug to the surrounding air and countertop as heat. In this sense, heat is simply the transfer of energy from a hot object to a colder object.
That causes the water molecules to move faster (heat up), those water molecules bump into the food and transfer some of their energy to the food which heats up the food. Baking-you are applying infrared radiation from a heating element (or fire, or the surrounding air via convection) to the food directly.