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At 25 degrees Celsius and 1.0 atm, 0.25 g of gas dissolves in 1.00L of water. What mass of the gas dissolves in 1.00L of water at 25 degrees Celsius and 3.0 atm
Which element in each of the subsequent sets would you expect to have the lowest third ionization energy, IE3
If I have .0888g of potassium hydrogen sulfate, its density is 2.322g/mL and its molecular weight is 136.17g/mol how many mols do I have
The initial concentration of some weak acid, HA, in an aqueous solution is 0.2530 M, at equilibrium the concentration of HA becomes 0.0957 mol/L. Calculate the Ka of the acid.
Which provides better protection once more corrosion painting a metal or galvanizing a metal
The burret has an initial volume of 50mL and a volume of 11.4mL at the equivalence point. Compute the concentration of the sodium hydroxide solution.
Analysis of an unknown substance showed that it has a moderate melting point and is a good conductor of heat and electricity in the solid phase. Which of the following substance would have those characteristics
Treatment with chymotrypsin, which cleaves on the carboxy side phenylalanine gave only the tetrapeptide. What is the amino acid sequence for this tetrapeptide?
When sodium chloride is strongly heated in a flame, the flame takes on the yellow color associated with the emission spectrum of sodium atoms. The reaction that occurs in the gaseous state is Na^+(g) + Cl^- (g) ----> Na (g) + Cl (g)
To find out the molar absorptivity of your dye require preparing a series of solutions by dilution of your stock solution. Sketch a procedure you expect to utilize to prepare a series of solutions to determine the molar absorptivity of your food d..
calculate the amount of energy necessary to vaporize 10 g of acetone at its boiling point if the heat of vaporization is 29.1 kJ/mol.
This liquid is then diluted with water to form liquid .sulfuric acid, H2SO4, as the only product in the reaction. Write a balanced chemical equation for the formation of sulfuric acid from H2S2O7 when diluted with water.
How many molecules of oxygen react with 133 molecules of acetylene (HCCH) to produce carbon monoxide and water
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