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A system is acted on by its surroundings in such a way that it receives 50 J of heat while simultaneously doing 20 J of work. What is its net change in internal energy
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What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th
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Select the correct lewis structure for fluorine which is group 7a element?
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You have 80 g of 60oc water and 80 g or 10oc water. what is the final temperature when the two are mixed? explain.
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A system is acted on by its surroundings in such a way that it receives 50 J of heat while simultane...
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