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1. Determine the H3O+ concentration of a solution that has a pH of 8.75.
2. Calculate the OH- concentration of a solution that has a [H3O+] of 3.5 x 10-10M.
3. Calculate the [H3O+] of a solution that has an [OH-] of 0.0000060M. Is the solution acidic, basic or neutral
What is the concentration of KMnO4 when you mix 2 mL of .160 M KMnO4 with 10 mL of .250 M oxalic acid. Assuming that it took 120 s to observe the color change in the reaction, what is the rate of the reaction
In a saturated solution of lead (II) fluoride the concentration of lead was measured to be .0021 M. What is the value of Ksp for PbF2?
Predict the products when cyclohexanol is heated in the presence of H+. Show both the organic product and the byproduct
These changes are brought about by a heater that supplies heat at a constant rate of 1000 W. Sketch graphs showing a) the temperature vs. time b) the enthalpy vs. time c) Enthalpy vs. temperature for this process. Mark the salient features.
What volume of hydrogen gas is produced when 68.4 g of iron reacts completely according to the following reaction at 25 C and 1 atm iron (s) + hydrochloric acid (aq)--------- iron(II) chloride (aq) + hydrogen (g)
What is the pH of a 0.1 M solution of ethylamine, given that the pKa of ethylammonium ion
What is the theoretical yield of bromobenzene in this reaction when 30.0 g of benzene reacts with 65.0 g of bromine?
Is a first order rate constant of 3.14x10^-4 1/s at room temperature, if you currently have a 2.5 M N2O5 how long will it take for 65% of N2O react?
Obtain expressions for the following partial derivatives for a diatomic ideal gas, assuming that its translational, rotational, and vibrational motions all behave classically.
The reaction is first-order in N2O5, with the specific rate constant 6.08 x 10-4/s. Calculate the reaction rate at these conditions. a. [N2O5] = 0.200 mol/L b. [N2O5] = 0.319 mol/L
Zn (s) + 2 HCl (aq) = H2 (g) + ZnCl2 (aq) If 1.26 L of H2 gas are formed at STP, how many g of HCl reacted
Calculate the pH of the solution. Round your answer to 3 significant digits. NaH2PO4(aq) = HPO42-(aq) + H+(aq) Constant Kw=10-14 Ka=6.20×10-8
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