Compute height of building across street
From the window of 33.0ft above street, angle of elevation to top of building across street is 47.0degrees and angle of depression to base of the building is 17degrees. Determine height of building across street.
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If a solution is having 98.0 wt/wt % of sulphuric acid and having the density of 1.80 g/mL, Determine the molarity of concentrated sulfuric acid.
Determine the length to three significant digits of arc intercepted by the central angle Θ in the circle of radius r. 671 r = 2.63 ft Θ= 6Π / 5 radians. Length of intercepted arc is approximately ft.
Determine the number of liters of acetylene gas at 0.00 degrees Celsius and 1.00 atm pressure are formed from 75.0 grams of calcium carbide, if the reaction is CaC2 + 2H2O -->H2C2 + Ca(OH)2
Write the corresponding letter designations from there agent sheet of the reagents you would use (in conjunction with benzene) in the order.
A solution collected of 10% methanol (MeOH), 50% ethanol (EtOH) and 40% water (H2O) is fed at the rate of 100 kg/hr into a separator that constructs one stream at the rate of 60 kg/hr with the composition of 15% MeOH.
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Explain why does a nitrate ion not give a substitution product, while one distinguishes that the nucleophile in a SN1 reaction does not play a major role?
Which of the following is a property of a sample of a substance would not be characteristics of the substance and hence would not be useful in identifying the substance?
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