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What is the pH of a solution obtained by mixing 45 ml of 0.050 M NaOH with 25 ml of 0.250 M Ba(OH)2
When completely filled with water, the beaker and its contents weigh 297.65 g. Use d=100 g/mL as the density of water. What volume does the beaker hold?
Volume of added base required to reach the equivalence point? State the pH at one half of the equivalence point
carbon dioxide has a solubility of 0.0342 M in water. What is the solubility at 25 degrees celcius and 2110 Torr?
Consider a system with four energy levels: 0E, 1E, 2E, 3E, where E is kT (E can be represented by epsilon and T is 100K). Assume that there are 10 particles. Provide an expression for energy, heat capacity and entropy. Plot all as a function of T
Assume that you have a cylinder with a movable piston. What would happen to the gas pressure inside the cylinder if you do the following? Decrease the volume to one third the original volume while holding the temperature constant.
Discuss in detail the healthcare applications of chemical reactions. Which chemical reactions would you consider to be of importance to healthcare professionals? Why? In which situations are these chemical reactions useful to healthcare profession..
What percentage error would be introduced in a 35.0 mL sample of liquid if the air bubble comes out of the tip of the buret while the liquid sample is being transferred?
At the point of equilibrium there were 82.63 g of Br2(l). Determine the total pressure in the 50.0 L container at equilibrium.
Determine freezing point of solution which contains .31 mol of sucrose in 175g H2O. kf=1.86 degreesC/m
A sparingly soluble salt gets precipitated only when the product of concentration of its ions in the solution (Qsp) becomes greater than its solubility product. If the solubility of BaSO4 in water is 8 × 10-4 mol dm-3, calculate its solubility in ..
What mass of salt would have to be added to 1000.0 mL of water in order to raise the boiling point of the solution by 0.5 C?
Consider the heterogeneous equilibrium process shown below. C(s) + CO2(g) 2 CO(g) At 700.°C, the total pressure of the system is found to be 3.20 atm. If the equilibrium constant KP is 1.52,
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