What is the coefficient of Fe3+ when the following equation is balanced? CN- + Fe3+ → CNO- + Fe2+ (basic solution)
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1) Which one of the following pairs cannot be mixed together…
1) Which one of the following pairs cannot be mixed together to form a buffer solution?
Which of the following aqueous solutions has the lowest [OH-…
Which of the following aqueous solutions has the lowest [OH-]?
The concentration of fluoride ions in a saturated solution o…
The concentration of fluoride ions in a saturated solution of barium fluoride is ________ M. The solubility product constant of BaF2 is
Which of the following reactions is a redox reaction? …
Which of the following reactions is a redox reaction? (a) K2CrO4 + BaCl2 → BaCrO4 + 2KCl (b) Pb22+ + 2Br- → PbBr (c) Cu + S → CuS
The equilibrium expression for Kp for the reaction below is…
The equilibrium expression for Kp for the reaction below is ________. N2 (g) + O2 (g) 2NO (g)
Which reaction will shift to the left in response to a decre…
Which reaction will shift to the left in response to a decrease in volume?
The reaction 2NO2 → 2NO + O2 follows second-order kineti…
The reaction 2NO2 → 2NO + O2 follows second-order kinetics. At 300 °C, [NO2] drops from 0.0100 M to 0.00650 M in 100.0 s. The rate constant for the reaction is ________ M-1s-1.
The Keq for the equilibrium below is 7.52 × 10-2 at 480.0 °C…
The Keq for the equilibrium below is 7.52 × 10-2 at 480.0 °C. 2Cl2 (g) + 2H2O (g) 4HCl (g) + O2 (g) What is the value of Keq at this temperature for the following reaction? 2HCl (g) + O2 (g) Cl2 (g) + H2O (g)
Which solution has the greatest buffering capacity?
Which solution has the greatest buffering capacity?