L> heat Transfer warm Transfer principle The driving pressure for atmospheric motion is the sun and, in particular, the uneven circulation of solar radiation throughout the earth. It is the main job that the setting to redistribute power in stimulate to attain a balance native pole to equator. We require to know methods of warmth exchange in the environment to appreciate just how the thin environment keeps us alive. energy energy is the capacity or volume to do work-related on some type of matter. There are several develops of energy, including the following: Potential energy is the energy which a body possesses as a an effect of its place in a gravitational field (e.g., water behind a dam). Kinetic power is the power which a human body possesses together a an effect of its activity (e.g., wind blowing throughout a wind generator). That is dependent ~ above an object"s mass and velocity (e.g., moving water versus moving air). Internal power is the total energy (potential and kinetic) save on computer in molecules. Heat (or thermal) energy is kinetic energy because of motion that atoms and also molecules. The is energy that is in the procedure of being transferred from one object to another because of their temperature difference. Radiant energy is the power that propagates through space or through material media in the type of electromagnetic radiation. The first Law that Thermodynamics claims that power lost throughout one procedure must equal the power gained during another. figure 1- Evaporation and Condensation Latent warm Latent heat is the heat power required to change a substance from one state to another. There space basically three says of matter: solid, liquid, and also gas. The difference in between them is exactly how the molecules are arranged. Solids have tightly-packed molecules, liquids are still bound together yet not strongly sufficient to keep them from flowing, and gas molecules room free-flowing, no bound to one an additional at all. Power is forced to readjust from one state to an additional because bonds must be loosened, broken, tightened, or made. Power must be given to the molecule if bonds space to it is in loosened or broken and also taken native the molecule if they room to it is in tightened or made. energy is forced to readjust from solid to liquid, fluid to gas (evaporation), or solid come gas (sublimation). Power will be released to change from fluid to heavy (fusion), gas to liquid (condensation), or gas to solid. Latent heat of evaporation is the power used to change liquid to vapor. IMPORTANT: The temperature does not adjust during this process, for this reason heat included goes directly into changing the state of the substance. About 600 calories of power are necessary for every gram that water in ~ room temperature. This is why friend cool once you action out the the shower. Warm is bring away from your skin come evaporate the water on your body. Evaporation is a cooling process. Latent warm of condensation is power released once water vapor condenses to form liquid droplets. An the same amount of calorie (about 600 cal/g) is exit in this process as was necessary in the evaporation process. This is one system of exactly how thunderstorms keep their intensity. As moist wait is lifted and also cooled, water vapor eventually condenses, which then enables for vast amounts of implicit heat power to it is in released, feeding the storm. Condensation is a warming process. Latent warm of blend describes both transforming from solid to liquid and also from liquid to solid. From solid come liquid, about 80 calories per gram are needed. From fluid to solid, around 80 cal/g are released. Latent warmth of sublimation describes both an altering from solid come gas and also gas come solid. Sublimation is rarely as contrasted to the other alters of state. Native solid come gas 600 + 80 = 680 calories per gram are needed.