Physics, 04.12.2020 02:00, minileiva211
19. What makes an element distinct? A. The number of electrons B. The number of neutrons C. The number of protons D. The number of ions E. The number of nucleons
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Acarpenter builds an exterior house wall with a layer of wood 2.9 cm thick on the outside and a layer of styrofoam insulation 2.3 cm thick on the inside wall surface. the wood has k=0.080w/(m⋅k), and the styrofoam has k= 0.010 w/(m⋅k). the interior surface temperature is 19.0 ∘c , and the exterior surface temperature is -15.0 ∘c . a.)what is the temperature at the plane where the wood meets the styrofoam? celsius b.)what is the rate of heat flow per square meter through this wall? /m^2
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19. What makes an element distinct? A. The number of electrons B. The number of neutrons C. The numb...
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