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A 15 mL sample of 0.100 M Ba(OH)2 is titrated with 0.12M HCl. Calculated the equivalency point, and the pH after 5mL, 10 mL, 15 mL, and 20 mL of HCl are added.
1.0 atm pressure of oxygen is 0.041g/L. The solubility of oxygen in water at 3.0 atm and 25 C is _____ g/L.
A rigid tank of volume 0.5 m^3 is connected to a piston cylinder assembly by a valve, as shown below. Both vessels contain pure water. They a re immersed in a constant-temperature bath at 200°C and 600 kPa
If 25.1 mL of 0.1222 M NaOH id required to reach the first equivalence point of a solution of citric acid (H3C3H5O7), how many mL of NaOH are required to completely neutralize this solution
Arrange the following elements in order of increasing ionization energy, and explain how you know the order
an ordinary 3.0 v flashlight bulb draws roughly 0.25 a of current and converts about 1.0 of the electrical power into
What mass of water would be needed to evaporate from your skin in order to dissipate 1.7 X 105 J of heat from your body?
A mixture of 7.50 g He and 29.5 g Ne has a pressure of 750. mm Hg. What is the partial pressure of each of the gases?
the volume of a gas collected over water at 32 c is 627 ml. the barometer reads 752 torr water levels are equal. what
How many moles of oxygen are generated during the thermal decomposition of 7.75 g of lead (IV) oxide?
An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gases called air. If the flask volume is 1.50 L, and the air is at standard temperature and pressure, how many gaseous molecules does the f..
The native conformation of a protein represents the lowest energy state of the polypeptide. Would you expect it to be always true
Calculate the pH of a solution prepared by mixing equal volumes of 0.21M methylamine (CH3NH2), Kb = 3.7X10^-4 and 0.61M CH3NH3Cl
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