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The rate constants of a reversible procedure at equilibrium were measured to be 100 M/s for the forward direction as well as 2.3 M/s for the reverse direction. Explain what is the equilibrium constant for the reaction at this temperature?
Fe^3+ is reduced to Fe^2+ by S^2-, which is oxidized to elemental S. Write the net ionic balanced equation for this redox reaction in basic solution.
How can you estimate the pH range of an indicator's color change. why do some indicators have two separate pH ranges.
a student was asked to determine the purity of a contaminated sample of ammonium chloride.a sample of 5g was warmed
What is the hydronium-ion concentration of a 4.07 10-4 M solution of p-bromobenzoic acid, BrC6H4COOH, for which Ka = 1.00 10-4
Which of the following is an accurate comparison of the properties of nitrogen and oxygen. A. Nitrogen uses more oxidation states in its compounds than oxygen does
Calculating Volume, Pressure & Density, Calculate the density, in g/L, of SO2 at 75°C and 1.33 bar. (Round your answer to two decimal places)
How many grams of potassium chlorate decompose to form potassium chloride and 460. mL O2 at 128°C and 684 torr
the molar heat of fusion of benzene is 9.92 kjmol. its molar heat of vaporization is 30.7 kjmol.calculate the heat
zn s 2 hclaq zncl2aq h2ga student needs to react 0.228 mol zn with hydrochloric acid. calculate the minimum number of
If the step for digesting the precipitate were omitted, will the reported "percent limiting reactant" in the salt mixture be too high, too low, or unaffected
will the first drop of liquid n-heptane form? (c) At what operating temperature (°C) will 65% of the n-heptane condense
The mass % of Ca in CaSo4 is 29.45%. To calculate the mass of Ca present in a 25.6 g sample of this compound, the correct procedure is given by
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