Users questions 

Is evaporation endothermic?

Joe Ford

Is evaporation endothermic?

Because the molecules are absorbing heat, evaporation is called endothermic. Remember, endo means “to enter” while thermic means “heat.” The opposite of evaporation is condensation. Condensation happens when a gas changes back to a liquid.

Is evaporation an exothermic process?

Evaporation is endothermic. For condensation the molecules are giving up their heat energy. When molecules give up heat energy, it is called exothermic.

Is condensation of water vapor endothermic or exothermic?

An exothermic processes involves a negative change in enthalpy, or a loss of heat. As water vapor condenses into liquid, it loses energy in the form of heat. Therefore, this process is exothermic.

Is cooking an egg in a frying pan exothermic or endothermic?

When you turn the stove on, heat is transferred to the pan. The heat causes a food, such as an egg, to change shape. This is an endothermic reaction that causes the food to be cooked.

Is freezing an endothermic process?

Fusion, vaporization, and sublimation are endothermic processes, whereas freezing, condensation, and deposition are exothermic processes.

Is baking a cake endothermic or exothermic?

As you bake a cake, you are producing an endothermic chemical reaction that changes ooey-gooey batter into a fluffy, delicious treat!

Is baking a potato endothermic or exothermic?

Endo. Potato (system) is absorbing heat from the oven (surrounding) causing it to cook.

What is the chemistry of baking?

When the baking temperature reaches 300 degrees Fahrenheit, sugar undergoes what is known as a Maillard reaction, a chemical reaction between amino acids, proteins and reducing sugars. The result is browning, which forms the crust of many baked goods, such as bread.

What are 3 examples of exothermic reactions?

Examples of Exothermic Reactions

  • any combustion reaction.
  • a neutralization reaction.
  • rusting of iron (rust steel wool with vinegar)
  • the thermite reaction.
  • reaction between water and calcium chloride.
  • reaction between sodium sulfite and bleach (dilute sodium hypochlorite)
  • reaction between potassium permanganate and glycerol.

What animal has the highest body temp?

For vertebrates, the known limit seems to be around 46 C (115 F), with some lizards known to survive at this limit. Invertebrates can tolerate much higher temperatures, with some aquatic insects surviving in hot springs up to 50 C (122 F) and some desert ants known to tolerate temperatures up to 55 C (131 F).

Do humans have cold blood?

Humans are warm-blooded, with our body temperature averaging around 37C. Warm-blooded simply means we can regulate our internal body temperature, independent of environment, while cold-blooded animals are subject to the temperature of their surroundings.

Can you have cold blood?

A cold-blooded animal has a body temperature that varies along with the outdoor temperature, and a cold-blooded person is someone who seems to feel no emotions. Cold-blooded people, on the other hand, regulate their body temperature even when it’s chilly outside, like other warm-blooded animals.