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How many structural isomers are there for a five-member straight carbon chain with one double bond?
Calculate the intermolecular collision frequency and the mean free path in a sample of helium gas with a volume of 5.0 L at 27 degrees Celsius and 3.0 atm.
Glycerine (glycerol) CH2-OHCH2-OH has a greater resistance to flow (viscosity = 94) than ethanol CH3CH2OH (viscosity = 1.08)
The activity of an isolated sample of gas obtained from a basement containing radon-222 was found to be 8 pCi/L. This isotope has a half-life of 3.8 days. If no additional radon-222 entered the sample, how long would it take for the activity to de..
Why is the following not a redox reaction. Is it because it forms a solid. What are the charges for each
at 400K and a total pressure of 1.0atm, the mole fraction of H2 is 0.25 and that of I2 is 0.30, in equilibrium with HI. Calculate Kp and Kc for the equilibrium.
Calculate the partial pressure of O2 produced from 1.44 L of 0.508 M N2O5 solution at 45 degrees C over a period of 20.6 hours if the gas is collected in a 11.7 L - container.
What is the molarity of a solution containing 1.35 mol H2SO4 in 245 mL of solution
What mass of solution contains each of the following amounts of dissolved solute? 1.) 5.0g of sulfuric acid in a 25.0\% solution 2.) 11.0g of acetic acid in a 5.00\% solution
what mass of sodium fluoride must be added to 250. ml of a0.100 m hf solution to give a buffer solution having a ph
A sample of air at 10.0 atm is heated from 575 K to 750 K. If the volume remains constant, what is the final pressure
question substances a and b are the same mass and at the same initial temperature. when they are heated the final
a 50.0 ml sample of vinegar density 1.06 gml was diluted to 500.0 ml.nbsp titration of a 50.0 ml aliquot of this
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