Physics, 25.10.2020 09:20 JellalFernandes
Several different types of models can be used to represent the particles in a substance.
Model 1: Two-dimensional illustration of a water molecule.
Model 2: Three-dimensional block model of a water molecule
Model 3:Three-dimensional ball-and-stick model of a water molecule
What information described in models 1 and 3 is absent in model 2?
Answers: 3
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Frost wedging occurs when water seeps into a crack in a rock, freezes, and causes the crack in the rock to widen. t or f
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Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.
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Consider the following position function. find (a) the velocity and the speed of the object and (b) the acceleration of the object. bold r left parenthesis t right parenthesisr(t)equals=left angle 6 t superscript 4 baseline comma 2 t cubed right angle6t4,2t3 for tgreater than or equals≥0
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Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.
Answers: 2
Several different types of models can be used to represent the particles in a substance.
Model 1: T...
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