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The solubility product constant for AgCl at 298 K is 1.82 × 10-10. Calculate E° for the process AgCl+e----->Ag+Cl given that the standard reduction potential of the half-reaction Ag++e----->Ag is +.799V
Methane (CH4), ammonia (NH3), and water (H2O) all have octets around the central atom, yet they have different shapes and bond angles
Calculate the standard free-energy change for the following reaction at 25 degrees C. 2Au^3+(aq) + 3 Cr(s) 2Au(s) + 3Cr^2+(aq) delta G^degree= ? KJ/mol
the manufacture of perfumes, contains 3.758 g of carbon, 0.316 g of hydrogen, and 1.251 g of oxygen. What is the empirical formula of this substance?
Determine the empirical formula and the molecular formula of the organic compound. empirical and molecular formula
Using the procedure in the lab manual for the synthesis of aspirin (MM = 180.154 g/mol), you recover 1.34 of aspirin. Calculate your percent yield of aspirin.
Seven tiny spheres of liquid mercury each have a diameter of 2 millimeters. They are now added together and coalesce into one larger drop. What is the diameter of this larger drop?
If 17.8 grams of KOH dissolve in enough water to make a 198-gram solution, what is the concentration in percent by mass.
how many grams of HNO3 must be dissolved to make 25L of a solution that has a pH of 1.5
What is the correct expression for the molarity of the solution? (Be sure to express your answer to the correct number of significant figures and also show the absolute uncertainty.)
An oxygen tank contains oxygen at a pressure of 70 kPa. When the pressure drops to 36 kPa, the temperature increases from 300 K to 350 K. If the initial volume is 9 L, what is the final volume?
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.
how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction. 4Na + O2 yields 2Na2O
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