Examples of entropy

Entropy on our daily life... Lets make a review of all the concepts that we saw on the last blog.. Entropy: A quantitative measure of the amount of thermal energy not available to do work. as well as the disorder or randomness in a closed system. Lets think of a deck of cards, each deck has 52 cards in it, and the possibility to get one specific card of the whole is one over 52, so than we can conclude and relate these to be its Entropy, the possibility to get again the card is 1 over 52, the same happens in molecules because any spontaneous process increases the disorder of the universe What would happen if we put together now 2 decks of cards? its entropy will increase or decrease? If you answered decrease then you're wrong!!! It will increase since the possibility to get the card you wanted has doubled, so as its entropy.

So whats a spontaneous process? Not requiring an outside force to proceed. In chemistry it doesn't tell you how quickly something happens, it only tells you that the reaction is thermodynamically capable to happen without outside energy. How can we calculate the change in entropy? By subtracting the sum of the reactive values from the sum of the product values. Other examples of entropy are shown in the climate change, electrons in atomic shells, heating and cooling water, and a lot of other examples we can have... for now lets explain a little more about the water heating and cooling process In order to heat water, it needs to be exposed to heat energy for some time. This energy is transferred to the particles in water, gradually causing them to vibrate at a faster rate. Additionally, the particles' motion also increases in speed; they begin to zoom across the container in a random and disorderly manner. The change in how the particles move and vibrate causes the temperature of the water to increase. However, the opposite of this behavior is also observed when the water is no longer exposed to heat energy. The particles gradually decrease in speed and the intensity of vibration becomes smaller. As a result, the water cools down with time. TO BE MORE CLEAR ABOUT ENTROPY HERE IS A VIDEO FOR A BETTER UNDERSTANDING