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?
Now Priced at $10 (50% Discount)
What equipment will I need and what measurements do I need to make in order to find enthalpy, entropy, and gibbs free energy?
A sulfuric acid solution containing 571.6 g of H2SO4 per liter of solution has a density of 1.329 g>cm3. Calculate (a) the mass percentage, (b) the mole fraction, (c) the molality, (d) the molarity of H2SO4 in this solution.
For each mole of glycine that burns, 973.49 kJ of heat is liberated. Use this information, plus values of ΔHf° for the products of combustion, to calculate ΔHf° for glycine.
A steel cylinder holds 1.32 g of ethanol, C2H5OH. What is the pressure of the ethanol vapor if the cylinder has a volume of 247 cm3 and the temperature is 250°C? (Assume all the ethanol is in the vapor phase at this temperature.
How might the yield of product be affected by adding twice as much water as is specified, while keeping the quantities of the other reagents the same
A solution is prepared by mixing 5.4 g of FeCl3 with enough water to make 75 mL of solution. Calculate the molarity of the solution.
You are given a small bar of an unknown metal X. You find the density of the metal is 10.5 g/cm^3. Another experiment tells you the edge-length of the face centered cubic unit cell of this metal has a length of 4.09 x 10^-10 m. What is the density
Treatment of gold metal with BrF3 and KF produces Br2 and KAuF4, a salt of gold. Write a balance chemical equation and identify the oxidizing agent and reducing agent in the reaction
Copper (II) sulfate dissolves in water to form a blue solution. What species are present in the solution, ie, what is actually swimming around in the solution? Write the formulas.
Which sequence of reactions would you use to synthesize 2-cyanohexane (racemic mixture) using 1-hexene as your starting material? Question 6 options: Reaction with (1) H2SO4 (cat.)
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!