The second law of thermodynamics states that spontaneous processes tend to be accompanied by entropy increase. Consider, however, the following spontaneous processes: the growth of plants from simple seeds to well-organized systems the growth of a fertilized egg from a single cell to a complex adult organism the formation of snowflakes from molecules of liquid water with random motion to a highly ordered crystal the growth of organized knowledge over time In all these cases, systems evolve to a state of less disorder and lower entropy, apparently violating the second law of thermodynamics. Could we, then, consider them as processes occurring in systems that are not isolated? The second law of thermodynamics states that spontaneous processes tend to be accompanied by entropy increase. Consider, however, the following spontaneous processes: the growth of plants from simple seeds to well-organized systems the growth of a fertilized egg from a single cell to a complex adult organism the formation of snowflakes from molecules of liquid water with random motion to a highly ordered crystal the growth of organized knowledge over time In all these cases, systems evolve to a state of less disorder and lower entropy, apparently violating the second law of thermodynamics. Could we, then, consider them as processes occurring in systems that are not isolated? True False
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Physics, 22.06.2019 11:00, taylorwhitfield6
Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?
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Physics, 22.06.2019 20:20, Webber07
An electron is trapped at a defect in a crystal. the defect may be modeled as a one-dimensional, rigid-walled box of width 1.00 nm. (a) sketch the wavefunctions and probability densities for the n 1 and n 2 states. (b) for the n 1 state, nd the probability of nding the electron between x1 0.15 nm and x2 0.35 nm, where x 0 is the left side of the box. (c) repeat (b) for the n 2 state. (d) calculate the energies in electron volts of the n 1 and n 2 states
Answers: 1
The second law of thermodynamics states that spontaneous processes tend to be accompanied by entropy...
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