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limiting Reactant Worksheet - What are the two steps in the Experimental Procedures that are incorporated to reduce the loss of the lead (2) iodide precipitate. Identify the steps in the procedure and the reason for each step.
A solution containing an unknown quantity of A plus 930 nM B gave a relative detector response (peak area of A)/(peak area of B) = 1.21. Find the concentration of A in the unknown.
An appropriate indicator is used. Ka for acetic acid is 1.7x10^-5. Calculate the pH in the flask after 300 mL of 0.100 M NaOH has been added
europium crystallizers in a body-centered cubic lattice (the Eu atom occupy only the lattice points).The densisty of Eu is 5.26 g/cm^3.calculate the unit cell edge length in pm
A reaction mixture initially contains 2.8M H2O and 2.6 M SO2. Determine the equilibrium concentration of H2S if Kc for the reaction at this temperature is 1.3 x 10^-6 ?
If you have 330 ml of water at 25 degrees and add 110 ml of water at 95 degrees, What is the final temperature of the mixture.
What point defects are possible for Al2 O3 as an impurity in MgO? How many Al3+ ions must be added to form each
Four atoms of iron (Fe) are to be combined with three molecules of oxygen (O2). How many total iron atoms and oxygen molecules will be combined during the formation of Fe3O4?
Assume that an air conditioner consumes 1.50 X 103 W of electrical power, and that it can be idealized as a reversible Carnot refrigerator. If the coefficient of performance of this device is 2.50, how much heat can be extracted from the house in ..
If solar radiation is 1010 , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 for solar radiation.
calculate the pH of the resultant solution: (a) 0.00 mL, (b) 5.00 mL, (c) 25.00 mL, (d) 45.00 mL, (e) 50.00 mL, (f) 51.00 mL.
The Ka of acetic acid is 1.85 x 10-5. What would be the pH of a buffer prepared by mixing 50.0 mL of 1.0 M potassium acetate with 50.0 mL of 1.0 M acetic acid?
what is the name of the glassware to which the separatory funnel, boiling flask, and still head was attached during distillation?
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