Determining the ph of a solution
Question: What is the pH of a solution containing 0.010 HCl plus 0.040 KClO4 with an activity coefficient of [H+] = 0.86?
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A certain first-order reaction has a rate constant of 2.75 x 10^-2 s^-1 at 20 degrees C. What is the value for k, the reaction constant, at 60 degrees if the Energy of activation = 75.5 kJ/mol?
A gas occupies 5.38 L when the temperature is 45.0oC and at 1.00 atm of pressure. What temperature change (in K) will be needed to change the volume to 6.30 L at constant pressure
Initial temp of HCL solution: 22 degree c Mass of magnesium: 0.6 g Moles of mag: 0.025 highest temp of mixture: 63 degree c Delta T: 41 degree c Heat gained by solution
The decomposition of ammonia is: 2 NH3(g) ?? N2(g) + 3 H2(g). If the partial pressure of ammonia is 1.6 × 10-3 atm and the partial pressures of N2 and H2 are each 0.25 atm at equilibrium, what is the value for Kc at 400°C for the forward
How do you find the net ionic equation for Hg2Cl2(s) + 2NH3(aq) --> Hg(l) + HgNH2Cl(s) + NH4+(aq) + Cl-(aq)
In some industrial processes, sulfite is added to remove dissolved O2 to prevent corrosion of pipes. Write the balanced overall chemical reaction for reduction of dissolved O2 by sulfite (SO32-).
If the solid calcium carbonate is in powder form. 2) The temperature of a reaction was increased from 20 to 40deg.C. You were determining the rate of reaction at each of the 2 temperatures. The second reaction should be faster by how much
If 50 mL of .100 M NaOH is titrated with .100 M HCl, what is the pH of the solution after 30 ml of HCl solution has been added
Classify each of the following binary compounds by the oxidation number of hydrogen. NH3 CaH2 MgH2 H2O HCl NaH H2 CH4
An effective treatment for some cancerous tumors involve irradiation with "fast" neutrons. The neutrons from one treatment source have an average velocity of 3.2 x 10^7 m/s. If the velocities of the individual neutrons are known to within 2% of th
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