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Write balanced equations to show whether any of the following compounds have differing solubility with a change in pH.a. AgClb. SrCO3
Why is it important that your distillation apparatus to have a vent to atmospheric pressure and why do you put a boiling chip
Estimate the free energy change (?Grxn) for the following reaction at 298 K, if each gaseous substance is present at p = 0.30 atm. 2H2(g) + O2(g) ? 2H2O(l)
Oxygen at 25 degrees C and a pressure of 1000 torr. At STP 1 mol of gas occupies 22.4 L What is the volume in liters of the oxygen gas in the cylinder?
What volume will carbon dioxide originally 30.0 mL at 27°C have at 77°C
What is the molar mass of the enzyme if the osmotic pressure of the solution at 298K is 0.138 ATM? Note that enzymes are non-electrolytes.
A feed containing 15% by weight of solids is to be concentrated to 40 % solids using a double effect backward feed evaporator. The first effect is heated by steam at 413 K.
She records the final temperature of the water as 317K. What is the value of Ccal (calorimeter constant) for the calorimeter.
calculate the work required to expand the cell surface. Assume the cell is surrounded by water and that T=310K.
Four samples of gas - O2, CO2, Ar, and He - are available at the same temperature. Rank the gases in increasing order of their particles' average velocity, beginning with the slowest.
For the reaction shown below, Kp = 0.116 at 38.6 °C. Find the equilibrium partial pressures of ALL species if at the start of the reaction PCO = 1.17 atm and PCOBr2 = 1.4 atm
What is the [H3O+] of a solution that is 0.0100 M in HOCl
The diameter of the laser beam is 5.5 mm. If the laser is pointed toward a pinhole with a diameter of 1.2 mm, how many photons will travel through the pinhole per second?
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