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what is heat capacity ? write a simple procedure for determining the heat capacity of your calorimeter
Tetrahedral complexes of Co2+ are quite common. Use a d-orbital splitting diagram to rationalize the stability of Co2+ tetrahedral complex ions.
PH of Acetylsalicylic Acid, The active ingredient in aspirin is acetylsalicylic acid (HC9H7O4), a monoprotic acid with a Ka = 3.3x10-4
An important industrial for synthesizing the ammonia used in agricultural fertilizers involves the combination of N2 and H2 N2 (g) + 3H2 (g) 2NH3 (g) (Kc =4.29 *10^8 at 52 degrees C)
How many grams of sodium phosphate will be needed to produce 500ml of a solution that has a concentration of Na+ ions of 1.10M ?
neutral compound show traces of an acid as an impurity wheras the acid might not show any traces of a neutral compound?
Consider the diprotic acid mercaptoacetic acid, where the fully protonated form can be denoted by H2A. Calculate the pH of the solutions below.
In preparation of esters given in an experiment, the reaction product was extracted with 5% sodium bicarbonate solution (NaHCO3) in the isolation step. How? What gas was evolved during this washing step?
Suppose a vessel contains 6.4 g of NH3, how many grams of O2 are needed for a complete reaction?
what is the solubility of O2 at an elevation of 12,000 ft where the atmospheric pressure is 0.657 atm? Assume the temperature is 25°C, and that the mole fraction of O2 in air is 0.209 at both 12,000 ft and at sea level.
What percent of the hydrogen peroxide has been decomposed in mixture of (0.10M KI = 15.0mL, H2O= 35.0 mL and 3% hydrogen peroxide= 10.0 mL) when 20.0 mL of O2 gas has been evolved
A titration experiment is set up to use .235M bleach (NaOCl) to analyze CrO2^-. If 50mL of the CrO2^-(aq) solution required 28.62mL of bleach to react to completion, what would you calculate as the molarity of the CrO2- solution
The density of chloroform, a widely used organic solvent, is 1.4832 at 20 . How many milliliters would you use if you wanted 119.0 of chloroform.
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