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Problem: Obstructive uropathy involves the obstruction of urine flow as it exits from kidney toward bladder. Answer all of the following:
Complete and balance the molecular, ionic, and net ionic equations for the following reactions.
Problem- Container A holds 727 mL of ideal gas at 2.30 atm. Container B holds 124 mL of ideal gas at 4.90 atm. If the gases are allowed to mix together, what is the resulting pressure
How and where did the Periodic table become in existence? Also, how has the periodic table been beneficial to science in a chemistry manner?
when aqueous solutions of lead ii ion are treated with potassium chromate solution a bright yellow precipitate of lead
Determine how many moles each of Na+ and Cl- are in 0.700 L of the saline solution (A physiological saline solution contains 167 mEq/L each of Na+ and Cl-.)?
What is the activation energy for a reaction if its rate constant is found to triple when the temperature is raised from 300 k to 310 k.
Problem- The solubility of CuCO3 is measured and found to be 1.88E-3 g/L. Use this information to calculate a Ksp value for copper(II) carbonate.
when carbon dioxide dissolves in water carbonic acid h2co3 is formed. when this enters limestone caco3 it dissolves the
Problem- Balance the following half reactions by adding the appropriate number of electrons. Which are oxidation half- reactions and which are reduction half-reactions. If you could show all steps it would be appreciated
Which of the acids in question #3 would be the best choice to create a buffer with pH = 7.35? If you had 250.0 mL of a 0.20 M solution of the acid, what mass of the corresponding sodium salt of the conjugate base would be required to make the buff..
When the sample is lowered into the water in a graduated cylinder (see Study Question 63), the water level rises from 47.5 mL to 52.2 mL. Is the sample fool's gold (d = 5.00 g/cm3) or "real" gold (d = 19.3 g/cm3)?
One mole of a van der Waal's gas is compressed isothermally and reversibly from 20 dm^3 to 1 dm^3. a=.556 Pa mol^6/m; b=.064 dm^3/mol. Calculate w,q, and delta_U.
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