Calculating the concentrations
A solution is prepared by mixing 50.0 mL of 0.24 M Pb(NO3)2 with 50.0 mL of 1.6 M KCl. Calculate the concentrations of Pb2+ and Cl - at equilibrium. Ksp for PbCl2(s) is 1.6 multiplied by 10-5.
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A wheat stome bridge has following ab= 20 ohm, bc =24ohm, cd = 5 ohm , da = 50 ohm, bd = 3 ohm. ADCA voltage source of 220v is connected b/w A and C with a +ve terminal determine the current delivered by the source using delta star transforma
An equilibrium mixture of H2 ,I2 and HI at 458 contains 0.108 I2 0.108 H2 , and 0.747 HI in a 5.00- vessel What is the equilibrium partial pressure of when equilibrium is reestablished following the addition of 0.100HI of ?
The telephone company has a fiber-optic line with time division multiplexing that runs from the United States to England and lies on the ocean floor. This fiber-optic line has reached capacity. What alternatives can the telephone company consi
Suppose a chemical engineer studying a new catalyst for the Claus reaction finds that liters per second of dioxygen are consumed when the reaction is run at and . Calculate the rate at which sulfur dioxide is being produced. Give your answer in ki
Consider the expansion of one mol of a monoatomic gas initially at 300 K and 10 atm. The expansion to a final pressure of 1 atm occurs in four different ways:
A compound containing carbon & hydrogen atoms has a deep blue color. Complete combustion of 288 mg of the compound produces 0.991 grams of carbon dioxide & 162 mg of water. What is the empirical formula of this compound?
Which of the following statements describes the behavior of the system if the partial pressure of chlorine is reduced by 50%?
A voltaic cell is constructed with a Ag/Ag+ half-cell and a Cd/Cd2+ half-cell. The silver electrode is positive. Write balanced half-reactions and the overall reaction. Draw a diagram of the cell, labelling the electrodes with their charges and s
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