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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?
127.7g of nacll completely dissolves producing na and cl- ions in 1.00kg of water at 2.0 degree celcius. the vapor
Ammonia burns in oxygen according to: 4NH3(g) + 7O2(g) ? 4NO2(g) + 6H2O(l) ??H?_rxn^o=-1396 kJ given ?H_f^o(NH3)g = -46 kJ/mol and ?H_f^o(H2O)l = -286 kJ/mol the heat of formation of NO2(g) ?H_f^o(NO2)g (in kJ/mol) is: A) +48 B) -48 C) +34 D) -29
How much corn syrup and how much water would you need to combine to create 500 ml of 10% corn syrup solution? Explain
Formic acid, HFor, has a Ka value equal to about 1.8 * 10^(-4). A student is asked to prepare a buffer having a pH of 3.60 from a 0.10 M HFor and a 0.10M NaFor solution. How many milliliters of the NaFor solution should she add to 20 ml of the 0.1..
consider 4.50 of a gas at 365 and 20. if the container is compressed to 2.90 and the temperature is increased to 35
Enough of a monoprotic acid is dissolved in water to produce a 0.0137 M solution. The pH of the resulting solution is 6.48. Calculate the Ka for the acid.
Propose a neutral structure for each compound that is consistent with the data. Note that the absolute stereochemical configurations of chiral substances cannot be determined from the data. Arbitrarily draw a configuration for an enantiomer (and b..
The temperature of the calorimeter plus contents increased from 21.36 *C to 26.37 *C.
Suppose buffer #1 is prepared using 40.0 mL 0.1 M HC3H5O3 and 60.0 mL 0.1 M C3H5O3- to give a final volume of 100.0 mL. What is the pH of this buffer
The equilibrium constant of the water-gas-shift reaction is 200, and the mole fraction of hydrogen at the outlet is 0.75. Using the extent of reaction method, how much additional steam is fed into the water-gas-shift reactor?
Explain why does Weight have the most effect on Jump as well as why does Gender have the least effect on jump
two samples of calcium flouride are decomposed into their constituent elements. the first sample produced 1.64 g of
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