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In order to analyze the wastewater containing cu2+ from a manufacturing process, 1.0L of water was evaporated to 10.0mL, then placed in a spectrophotometer tube. The absorbance was found to be 0.30. Using your calibration curve, calculate the number of milligram of Cu2+ in 1.0L of wastewater.
Separator conditions are 100 psig and 90 degrees F. The well has just been completed; reservoir pressure is believed to be above bubble-point pressure. Estimate a value of solution gas-oil ratio for use at and above bubble-point pressure.
The boiling point of water is 100.0 degrees C at 1 atm. How many grams of calcium chloride(111.0 g/mol CaCl2), must be dissolved in 231.0 grams of water to raise the boiling point by .350 C. Kbp(water) = 0.512 C/m
consider 1.5 kg of austenite containing 1.15 wt c cooled to below 727 degrees celcius 1341 degrees farenheit.a what is
If a 5.0g KBr sample, at 25 degree C, dissolves in 25.0 mL of water, also at 25 degrees C. The final equilibrium temperature of the resultant solution is 18.1 degree C. Explain what is the enthalpy change. Hs, in joules per gram and kilojoules per..
what is the wavelength of radiation of frequency 4.80 times 1013
a sealed flask with a capacity of 1.00 dm3 contains 7.55 g of carbon dioxide. the flask is so weak that it will burst
Define the single bond cleavge processes mass fragmentation associated with common functional groups
In a purity check for industrial diamonds, a 10.25 carat diamond is heated to 74.21 oC and immersed in 26.05 g of water in a constant pressure calorimeter.
Problem- At room temperature, the surface tension of water is 72.0 mJ m-2. What is the energy required to change a spherical drop of water with a diameter of 2.00 mm to four smaller spherical drops of equal size
What is the binding energy for a beryllium-9 nucleus? What is the binding energy, , for a beryllium-9 nucleus in ? Recall that . 1mev=1.60 x 10^-14
The rate of the following reaction is 0.120 M/s. What is the relative rate of change of each species in the reaction
gold forms a substitutional solid solution with silver. compute the weight percent of gold that must be added to silver
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