Discuss the empirical formula for this compound
A sample of a compound contains 0.90 g of element A and 0.60 g ofelement B. If the atomic weight of A is 60 g/mole and that of B is40 g/mole, then what is the empirical formula for this compound?
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A 90-nm-thick coating is applied to the lens. What must be the coating's index of refraction to be most effective at 480 ? Assume that the coating's index of refraction is less than that of the lens.
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Use 344 for the speed of sound in air and assume that the source and listener are both far enough from the doorway for Fraunhofer diffraction to apply. You can ignore effects of reflections.
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Sixty Percent of college students weigh between 150-210 lb. Identify Degree of Confidence, level of confidence, significance level, and confidence interval.
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Suppose X1 and X2 are independent random variables, each uniformly distributed over the set {±1}; that is, each Xi takes the value -1 with probability 1/2 and the value 1 with probability 1/2. (a) Compute E[X1 + X2]. (b) Compute E[(X1 + X2)
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Problem: Articulate and describe the suggestions made by the authors' for further development of middle range theory?