tigerlover786: How are the laws of thermodynamics used in everyday life?
I am doing a research paper for Physics class, and I have the laws of thermodynamics. I know the mathematics behind them, but I need help thinking of everyday examples of how they’re used.
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Answer by Jose H
You can apply the second law of thermo and relate it to the human body. We need to eat to survive and eventually the body will give up in the long run. The first law you can apply it to a waterfall and a turbine which converts the work of the waterfall to hydroelectric power. They use this in factories.
We put ice cubes in a glass of hot tea so that the heat flows from the tea the ice cubes and cools the tea down.
We put ice in tea because we know that entropy will increase and the ice will melt rather than the H2O molecules coalescing back into ice.
We can drink the tea and have confidence that it will not disappear once it’s inside our stomachs, but rather it will change forms and break down and stuff and we will still be left with the same amount of mass.
Hot tea burns our tongues because its molecules are crazy and disordered and flying around with lots of entropy. Then we cool the tea which makes its molecules less disordered therefore decreasing it’s entropy. The colder it gets,the less entropy it has and therefore the more refreshing it is, all the way down to absolute zero.
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