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What kind of molecules typically make for good nucleophiles in E2 reactions?
Calculate the ph of a buffer that contains 1.0 M acetic acid and 1.0 M sodium acetate. (ka=1.8x10^-5)
If the average Bohr radius in the n=1 orbit 3.25x10^-8m, what is the wavelength of the standing electron wave
The following reaction was monitored by measuring the partial pressure of oxygen. The pressure was measured at 25 degrees Celsius.
A dry cleaning fluid composed of carbon and chlorine was found to have the composition 14.5% carbon and 85.5% chlorine. Its known molar mass is 166 g/mol. Draw the Lewis structure to represent the compound.
A mixture consisting of 0.130 mol N2, 0.041 mol O2, 0.100 mol CH4, and an unknown amount of CO2 occupies a volume of 8.90 L at 25°C and 1.09 atm pressure. How many moles of CO2 are there in this sample
Lead metal can be extracted from a mineral called galena, which contains 86.6 % lead by mass. A particular ore contains 68.5 % galena by mass.If the lead can be extracted with 92.5 % efficiency, what mass of ore is required to make a lead sphere w..
What is the heat of vaporization of a if 215mol of the liquid required 2040J of energy to vaporize at its boiling point
By how much does the chemical potential of carbon dioxide at 310K an 2.0 bar differ from its standard value at that temperature
Problem- When Mr.Spock left Vulcan, he had a 50.00g sample of radioactive element Q which has a half life of 24.50 days. His spaceship traveled at twice the speed of light (warp 2). Upon arrival on earth he only had 0.50g of Q remaining. if the sp..
Question- What are some of the possible uses of paper chromatography and other similar types of chromatography such as thin layer chromatography. Select all that apply.
list the following bonds in order of increasing ionic character: the lithium-to-fluorine bond in LiF, the potassium-to-oxygen bond in K2O, the nitrogen-to-nitrogen bond in N2, the sulfur-to-oxygen bond in SO2, the chlorine-to-fluorine bond in ClF3..
An aqueous solution contains 4.20% NH3 (ammonia) by mass. The density of the aqueous ammonia is 0.979 g/mL. What is the molarity of NH3 in the solution?
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