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A gas at 180C is flowing inside a 2 in" schedule 40 steel pipe. The pipe is insulated with 50 mm of lagging having a signify thermal conductivity of 0.0623 W/m*K. The convective heat transfer coefficient of the gas inside the pipe is 30 W/m2*K, as well as the coefficient on the outside of the lagging is 10 W/m2*K. The air temperature is 20C. Explain what is the heat loss per unit length of pipe in W/m? Explain what is the loss is BTU/ft?
While 125.0mL of a 0.130 M aqueous solution of aluminum nitrate is mixed with 100.0mL of a 0.218 M aqueous solution of potassium carbonate solid aluminum carbonate precipitates.
The number of moles of C8H4O4^-2 at the equalalence point, and the total volume at that point to calculate the ph for each sample at the equivalence point. What equations should be using
Hydrogen Sulfide gas has toxicity comparable to Hydrogen Cyanide, but because of its intense odor its presence is observed at concentrations well below toxic levels.
calculate the molarity of a solution of glycerol made by dissolving 68.000 glycerol at 15 in enough water to make
Calculate the moles of ammonia produced (e) calculate the partial pressures of all species in the system (f) the total pressure in the system
a molar heat capacity at constant volume of 3/2R initially at 298K and 10l is expanded with the surroundings maintained at 298K to a final volume of 20L in three ways ways a) isothermally and reversibly b) isothermally against a constant extenal p..
a solution that contains 5.94 ppm iron(III) is treated with an appropriate excess of KSCN and is diluted to 50 ml. What is the absorbance of the resulting solution at 580 nm in a 2.5 cm cell
The order of skunks is caused by chemical compounds called thiols. These compounds, of which butanethiol(C4H10S) is a representative example, can be deodorized by reaction with household bleech (NaOCl) according to the following equition
What is the pH of an aqueous solution with a hydrogen ion concentration of [H ] = 9.4 × 10-7 M?
Calculate the number of grams of H2 formed If the wet Hydrogen gas formed occupies a volume of 9.67 Litres
The density of air under ordinary conditions at 25 C is 1.19g/L. How many kilograms of air are in a room that measures 11.0ft x 11.0ft and has an 10.0ft ceiling. 1 in = 2.54 cm (exactly); 1L= 10^3 cm^3.
Explain using Le Chatelier's principle the results obtained when 6.0 M NaOH was introduced into the iron (III) thiocyanate equilibrium.
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