Cooking an egg is one type of process, while the formation of snow is another in three to five sentences identify each as exothermic or endothermic and explain how you know
Cooking an egg is an exothermic process. This is because heat is transferred from the stove or pan to the egg, causing the proteins and water inside the egg to denature and cook. The release of heat energy during this process indicates that it is exothermic.
The formation of snow is an endothermic process. This is because snow forms when water vapor in the air cools down and freezes into ice crystals. The conversion of water vapor into ice requires the absorption of heat energy from the surrounding environment. Therefore, the absorption of heat energy during this process indicates that it is endothermic.
Cooking an egg is an exothermic process. This is because the heat is transferred from the stove or pan to the egg, resulting in a rise in temperature. The egg undergoes a chemical reaction, causing its proteins to denature and coagulate. The release of heat and the transformation of the egg into a solid state are clear indications of an exothermic reaction.
On the other hand, the formation of snow is an endothermic process. This is because the phase transition of water from its gaseous state (vapor) to a solid state (snow) requires an input of energy. As water vapor condenses and freezes into ice crystals, it absorbs heat from the surroundings, making it an endothermic reaction. The cooling effect observed during snow formation is evidence of the energy absorption involved in the process.
Cooking an egg is an endothermic process because it requires the addition of heat energy from an external source (e.g., stove or oven) to raise the temperature of the egg. The heat energy is absorbed by the egg to cook it. We know it is endothermic because the egg needs to take in heat to reach a higher temperature and undergo the chemical changes required for cooking.
On the other hand, the formation of snow is an exothermic process. When water vapor in the atmosphere cools down and turns into snow, it releases heat energy into the surrounding environment. This energy is released as latent heat of fusion, as the water vapor undergoes a phase change from a gas to a solid. We can confirm that it is exothermic by observing that heat is being released during the formation of snow, warming the surroundings.
In summary, cooking an egg is endothermic as it requires the absorption of heat energy, while the formation of snow is exothermic as it releases heat energy.