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what is the volumetric flow rate of steam leaving the turbine. If the turbine operates adiabatically, what is the work output
A 732g sample of water was cooled from 60.0°C to 25.3°C. How much heat was lost? Would this process be considered endothermic or ectodermic if the water is the system
Methane enters a heat exchanger at a volumetric flow rate of 120.0 m3/min, at a pressure of 1.013 bar and temperature of 5.0°C. At these conditions, the specific enthalpy of methane is -45.181 k
Suppose that you titrate a 3 g sample of orange juice and it turns out to contain only 95.5mg of vitamin C. Further, it took 32.45mL of DCP solution to reach the end point of the titration.
A boiler is used to heat steam at a brewery to be used in various applications such as heating water to brew the beer and sanitizing the brewing tanks
Uranium-235 is an important nuclear fuel. However, the ^235Uisotope is only a very small amount of naturally occurring uranium. Therefore, taking advantage of gas diffusion rates and molecular masse
A 1.043g vitamin C tablet is crushed, treated, and diluted to 100.00mL in a volumetric flask with deionized water. Three 5.00mL samples of this solution are titrated with DCP that had a standardized
A student used a DCP solution (standardized to 9.94x10-4M) to analyze a sample of extract from 3.50g of solid food. The titration required 22.49mL of DCP. 91.75% of all the ascorbic acid in the food
You are on the Starship Enterprise visitin an uninhabited planet. While investigating the surface of the planet, you come across a "nugget" of some type.
Three 10.00mL samples of juice were titrated with DCP that had a standardized concentration of 1.01x10-3M. The three titrations took an average of 13.82mL of DCP. Calculate the mass (in mg) in 50.00
What is the empirical formula of a 0.01510 g sample gives 0.01102 g of H2O and 0.04484 g of CO2 on combustion? b) if you dissolve 1.000 g of the powder in 100.000 g of camphor, you find that the mel
You take 3.1789 g of a substance and place it into 100.0 g of benzene. The boiling point of this solution is found to be 80.5464 C. What is the approximate molar mass of the substance? Bp of CCl4 is
where C is a constant.The following table gives the equilibrium constant (Kp) at various temperatures for the reaction of nitrogen monoxide with oxygen gas that produces nitrogen dioxide
If the heat of vaporization for water is 540 calg how many kilocalories are released when 5.00 g of steam is converted to liquid at 100C
Assuming that the following structures exist, draw the structures of IF7, IF6G,IF5 and IF4G. In addition, what would be the bond hybridization in each of these compounds and would expect them to be
If the partial pressure of the cyclopropane in the mixture is 330 mm Hg and the partial pressure of the oxygen is 1.0 atm, what is the total pressure of the mixture in torr
Under the same conditions of temperature and pressure it takes an equal volume of bromine vapor 4.74 min to effuse through the same hole. Calculate the molar mass of the unkown gas and suggest what
What is the triple point of material X. Consider melting 3.00 moles of material X at 1.00 atm. Assuming that the melting co-existence curve is a straight line, what is X's normal melting temperatur
During a work-up, we are asked to interrupt vacuum, "drizzle" cold methanol over the crude product, then reestablish vacuum. What is the purpose of this step and why does the methanol need to be col
How many moles of water, H2O, are present in 75.0g H20? A. 4.17 moles B. 4.41 moles C. 75.0 moles D. 1.35 x 10^3 moles C 7.50 moles
Calculate the heat of the reaction. (Use the equation Q = s . m .?T where s is the specific heat, m is the mass of solution and ?T is the change in temperature)
Not all Friedel-Crafts reacts require a strong Lewis acid catalysts to generate the electrophile for the substitution reaction. Show, using curved arrows, how the electrophile is generated from t-bu
what would happen to a glyceride, if reacted with hydrogen in the presence of a catalyst and at elevated temperature and pressure
How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg
if a solution of epsom salts prepared by dissolving magnesium sulfate heptahydrate in water is added to a solution containing sodium lauryl sulfate, will a precipitate form