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A balloon filled with helium gas occupies 2.50 L at 25 degrees celcius and 1.00 atm. When released, it rises to an atlitude where the temperature is 18 degrees celcius and the pressure is only 0.80 atm. Calculate the new volume of the balloon.
What is the mechanism of 1-6-diaminohexane/sodium hydroxide with 2% sebacoul chloride (decanedioyl chloride)/hexane?
a gas made up of atoms escapes through a pinhole 0.552 times as fast as ar gas. write the chemical formula of the
calculate the heat released when 1.95 l of cl2g with a density of 1.88 gl reacts with an excess of sodium metal at
Define the following terms: carbohydrate, monosaccaride, disaccharide, polysaccaride. Give an example of a simple sugar and name the functional group associated with your example.
Which unit would you most likely use to measure the difference between the elevation of an airplane in flight and the height of a car on a road
What is the concentration in moles per liter of SbCl5 in the container before any decomposition occurs. What is the preassure in atmospheres of SbCl5 in the container before any decomposition occurs. PV=nRT
Calculate the solubility of each of the following compounds in moles per liter. Ignore any acid-base properties. (c) PbI2, Ksp = 1.4x10^-8
which of the following alcohols undergoes dehydration at the fastest rate on being heated with sulfuric acid? a) 1-Butanol b)2-Methyl-1-butanol c)2-Methyl-2-butanol d)3-Methyl-1-butanol e)3-Methyl-2-butanol
A sample contains a mixture of two dyes, A and B. The molar absorptivity coefficients for dye A are 4,875 M-1cm-1 at 628nm and 2,518 M^-1cm^-1 at 684 and for dye B are 1,578M^-1cm^-1 at 628nm and 11,543M^-1cm^-1 at 684nm. In an unknown mixture of ..
Please explain in detail how get the pKa to solve the problem. that the pKa is supposed to be 6.37, but that does not seem to get the right
What would the appropriate substrate concentration be? b) At what substrate concentration would you expect 30% of the enzyme molecules to have substrate bound?
What is the final temperature in a squeezed cold pack that contains 50.0g of NH4NO3 dissolved in 125 mL of water? Assume a specific heat of 4.18 for the solution, an initial temperature of 27.0 C, and no heat transfer between the cold pack and the..
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