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calculate the wavelength in nm of an electron traveling at 75% the speed of light. (mass of the electron = 5.4858 x 10^-4 amu)
Why Do I Require More CaCO3 to Raise pH than Predicted? If you can remember back to a discussion and inquiry we exchanged last week concerning the use of sodium carbonate vs. calcium carbonate
What is the final concentration of a solution made from 7.4 mL of 0.97 M CuSO4 and 14.4 mL of water?
Calculate the molarity of a solution of glycerol made by dissolving 34.000 mL glycerol at 15 C in enough water to make 300.00 mL of solution.
The structure of HxWO3 could contain H+ ions or OH- ions. Which do you think is more likely? Why?
How many joules of energy are needed to melt 54 grams of ice at its melting point? Assume that the molar heat of fusion of ice is 6 kJ/mol.
A 0.1752g sample of silver nitrate was dissolved in 502.3g of distilled water. Calculate the weight molarity of silver in this solution.
What would be the temperature change of 450ml of water that surrounds this ice cube assuming all the heat was transfered form the surrounding water.
Determine the mass of precipitate (in grams) that forms when 213.8 mL of 0.132 M CaCl2 solution is reacted with excess AgNO3 solution.
a student begins with 5.00 mL of acetic anhydride and 2.08 g of salicylic acid. Once the reaction is complete, the student collects 2.01 g of aspirin
Determine why the 2s and 2p orbitals on Hydrogen are degenerate and they are not in the case of Lithium and calculate Kp at 5 degrees and enter your answer in scientific notation if delta H rxn= -128 kj/mol CH 3 OH,?
what is the molar mass of the acid? If the standardization of the NaOH solution, why is it important to rinse the wet pipet with small portions of the standard oxalic acid solution
How many milliliters of 12.6 M HCl solution are needed to obtain 0.105 mol of HCl?
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