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A student is asked to prepare a 1 L buffer by adding 0.11 M sodium acetate to 0.09 M acetic acid solution. What is the pH of the buffer? Ka for acetic acid is 1.8 x10 -5
4.690.414.834.749.20
so3 can be produced in the following two-step processfes2 o2 ---gt fe2o3 so2s02 o2 ----gt so3assuming that all the
It is stated that more than one unit cell can be chosen for a structure. If they represent the same structure, however, the unit cells must have the same types of atoms
which group has the highest rank when precedence is assigned according to the Cahn Ingold prelog system
A beaker contains 250 mL of a 1.00 M HCl solution. how many moles of the acid would remain in the solution after 1.099 moles of HCl are neutralized? Show each step.
Cytochrome c oxidase receives electrons from reduced cytochrome c (Cyt c red) and transmits them to molecular oxygen with the formation of water.
When white phosphorous (P4) is heated above 1100 K, the following equilibrium is observed in the gas phase P4 ? 2P2 b. The equilibrium constant has been measured as a function of temperature for this reaction
How is hydrogen bond different from an ionic or covanlent bond?
Draw the kekule structure of each of the following compounds. if cis/trans isomers exist, draw both and indicate the geometry of each.
Assuming these values change very little with temperature, over what temperature range is the reaction spontaneous in the forward direction
A reaction takes place inside a constant volume or BOMB calorimeter. Pressure is not constant during the reaction. The heat absorbed by the calorimeter is measured to be +15J.
Given a 4.50 L container of helium at 298 K and 1.00 atm, and a 3.00 L container of argon at 298 K and 1.00 atm, write a brief statement to explain whether or not atoms of He and Ar in their respective containers have the same average speed.
The Goodyear blimps, which frequently fly over sporting events, hold approximately 1.60×105 ft^3 of helium. If the gas is at 25deg C and 1.0 atm, what mass of helium is in the blimp
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