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Calculate the mean percent of hydrogen peroxide when three determinations were 3.03% , 2.89% and 3.22%
What is the rate of entropy generation within the tank? 3.) If we duplicated the stream conditions (temperatures, pressures, and flowrates) with an internally reversible process, what is the maximum rate at which work could be obtained?
Based on Liquid Chromatography, how can I changed if the capacity value and selectivity value and resolution value is not in the proper range?
Combustion of a 0.1000 g sample of a compound containing only carbon, hydrogen, and oxygen in excess yields 0.1953 g CO2, and 0.1000 g H2O. A separate experiment shows that the molar mass is 90 Daltons. Calculate the mass percent composition.
In an acid-base titration experiment, a 0.2 M solution of HCl was titrated at 25°C with a 0.05 M solution o KOH. Here the equilibrium constant for the titration reaction had this value:
What is the vapor pressure (in torr) above a solution prepared by mixing 47.89 g of water, H2O, with 47.65 g of ethanol, C2H5OH, at 63.50 °C?
A particular brand of gasoline has a density of 0.737 rm g/mL at 25 C. How many grams of this gasoline would fill a 15.1 gal tank?
You have a volume of 100 L at a concentration of 100 PPM of benzene. If you later sampled from this known concentration at a temperature of 15° C
What is the characteristic of matter that causes it to expand when the temperature increases and contract when the temperature decreases?
Calculate the pH of a solution that is formed when 25.0 mL of 0.24 M ammonia (Kb = 1.8 x 10-5) is mixed with 25.0 mL of 0.20 M ammonium chloride.
The reported values for one compound (CaHbOc) were as follows: mass: 214.1360 g/mol; percent C and H: 84.07 and 8.47, respectively. Determine the molecular formula of the compound.
where it is burned with 12% excess air. Calculate the required flow rate of air in SCMH(standard cubic meters per hour).
an ethylene gas torch reqires 3200 L of gas at 3.00 atm. what will be the pressure of the gas if ethylene is supplies by a 250. L tank?
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