Why do reactants become hotter during exothermic reactions when they are losing energy and why do reactants become colder when they are gaining energy in endothermic reactions? Why does an iron nail float on mercury and sink in water?
Why do reactants become hotter during exothermic reactions when they are losing energy and why do reactants become colder when they are gaining energy in endothermic reactions? What charges an atom? What is the relationship between common ions and the number of electrons...
athe exothermic heat generated during absorption to the generator. This provides the energy required for generation of the compressed vapor.[translate] a因为我看见你们说英语啊 Because I see you to speak English[translate] aolny time olny时间[translate] ...
In the case of nuclear reactions, the Q value is simply the mass of the reactants minus the mass of the products (the reverse of most of chemistry). A positive Q value implies that the reaction is exothermic and that over time the reaction will tend towards the products. The reverse is...
namely chewing and digesting cold food – which freed up a huge amount of time. Essentially, it takes a lot more work for the body to digest cold food, since it relies solely on saliva and gastric juices to occur. Hot food is basically pre-digested, due to the exothermic reaction of...
(When the wood gets really hot and all the volatile sub-components have been expelled Oxygen does react directly with the Carbon left in the wood exothermically. This is what happens in the glowing embers, or what happens when charcoal briquettes, essentially pure carbon, are burned)....
Step-by-Step Solution:1. Understanding Radioactivity: Radioactivity is the process by which unstable atomic nuclei lose energy by emitting radiation. This can occur in the form of alpha particles, beta particle
(includes counter-current type). A regenerative heat exchanger is one that removes heat from a hot fluid to be stored for release later. These have recently found use in solar thermal energy systems where excess heat absorbed during the day is stored as molten salts for later release and use...