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For Stronium oxide, SrO, the solubility in water is 0.69 g per 100mL at 30 degrees C and 22.8g per 100 mL at 100 C. Write the equation for the solubility equilibrium, including heat as a reactant or product
The root mean square velocity of argon atoms is found to be 5.67x103 m/s. What is the temperature of the gas
Compute the change in temperature when 2 g of sodium chloride is dissolved in 270.0 mL of water initially at 25 C. The heat capacity of water is 4.184 J/mL/K. Neglect the heat capacity of the NaCl.
If CO2 is not removed by boiling after the addition of HCL, how will this affect the determination of moles of base per gram of antacid tablet?
1FeO3+2 Al= 1Al2O3+2Fe, Determine the percent yield of a reaction that produces 28.65g of Fe when 50.0g of Fe2O3 reacts with excess Al according to the following reaction. Be sure to balance the reaction.
The solubility product constant for Cu(IO3)2 is 1.44 x 10-7. What volume of 0.0520 M S2O32- would be required to titrate a 20.00 mL sample of a saturated solution of Cu(IO3)2?
if the open-tube manometer in the figure below contains a nonvolatile silicone oil density 1.30 gcm3 instead of
Calculate the binding energy of the 6Li nucleus in Joules per nucleon, given the following nuclear masses: 6Li = 6.01348 amu, proton = 1.00728 amu and neutron = 1.00867 amu.
The excess reagent required 4.30mL back-titration with .00812M Cu2+. Calculate the average weight of Cr on each square centimeter of surface.
A tablespoon of water has about 30.0 grams of water in it. If this were to be heated to 300 Farenheit the water evaporates. What would the volume of the evaporated water be if it were collected at 29 psi? (14.7 psi = 1 atm)
A compound is 40.0 , 6.70 , and 53.3 by mass. Assume that we have a 100.- sample of this compound.The molecular formula mass of this compound is 180 . What are the subscripts in the actual molecular formula?
The terms SCOT, WCOT, & PLOT are frequently used to describe types of GC columns. Specifically how do these columns differ from "Packed" columns in their structure and function
how will you use the known compounds that are out in the lab to help you find the identity of your unknown compounds
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