### Determine the horsepower of the device

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water flows from a lake as is shown in fig. p8.40 at a rate of 4.0 cfs. is the device inside the building a pump or a turbine? Explain and determine the horsepower of the device. neglect all minor losses and assume the friction factor is .025

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 Estmate the capacity of the roadway : given s=.30/(60-u), where s is the spacing (space headway) in miles, and u is the speed in miles per hour, derive the relationships u-k, u-q, and q-k. Also, estmate the capacity (qmax) of the roadway. Explain how you could make potassium hydroxide : Describe how you could make 5 ml of 2 M potassium hydroxide solution if you have potassium hydroxide pellets available? Determine the compound empirical and molecular formula : A Silane contains 90.31 % silicon and 9.69 % hydrogen by mass. The compound has a molar mass of 62 g/mol. Determine the compound's empirical and molecular formula. Depict the structures including hydrogen atoms : Dehydration of 2-methyl-2-pentanol forms one major and one minor organic product. Draw the structures, including hydrogen atoms, Determine the horsepower of the device : water flows from a lake as is shown in fig. p8.40 at a rate of 4.0 cfs. is the device inside the building a pump or a turbine? Explain and determine the horsepower of the device. neglect all minor losses and assume the friction factor is .025 Draw a small sketch that shows a situation : Name three types of metamorphic foliations, and draw a small sketch that shows a situation where a metamorphic foliation could cause problems in an excavation. Determine the velocity and acceleration of point c of belt : determine the velocity and acceleration of point C of the belt, (a) immediately before the power is turned off. (b) 9 s later. Explain what is the emperical formula of the compound : An organic compound X contains C, H, and O. A 16.69 g sample of X underwent combustion analysis, leading to the production of 44.71 g CO2 and 10.99 g H2O. What is the emperical formula of the compound? What will be the new level of service : If an additional 11ft lane is added (each direction) and all other factors stay the same, what will be the new level of service?

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