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The population P (in thousands) of Charlotte, North Carolina from 1980 through 2013 can be modeled by P = 321e0.0275t where t = 0 corresponds to 1980.† (Round your answers to the nearest whole number.) (a) What was the population of Charlotte in 2013?

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What are the important points to enter the medicine field?

Is geomorphology related to genetics

Question 1: Monopoly Choice (10 points) True or False? A monopolist always prices in the inelastic portion of the De- mand curve. Provide an explanation - all points are awarded on the basis of the quality of the explanation.

A student made a solution by mixing 28.20 g of an unknown substance with 500.0 g of benzene (C6H63, molar mass = 78.11 g/mol). The resulting solution was found to have a freezing point of 3.2 ℃. Calculate the molar mass of the unknown substance. For benzene, Kf=5.12 ℃/m and the normal freezing point is 5.5 ℃. List your answer to 2 decimal places.

A mixture is prepared that is 5.0% (w/w) of an unknown substance mixed with naphthalene (molar mass = 128.2 g mol^-1). The freezing
point of this mixture is found to be 77.3 °C. What is the molar mass of the unknown substance? (The melting point of naphthalene is 80.2 °C and Kf = 6.9 °C m^-1.)
The molar mass of the unknown substance =

A 27.67 gram sample of iron is heated in the presence of excess chlorine. A metal chloride is formed with a mass of 62.79 g. Determine the empirical formula of the metal chloride.