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Inexperienced workers commonly make mistakes in TLC experiments. Give the result in the following case: * You spotted 1/2 cm from the bottom edge and immersed the plate in 1 cm depth of solvent.
Problem- How much heat (in kj) is required to warm 10.0 g of ice, initially at -10.0 degrees Celsius to steam at 110.0 degrees Celsius? The heat capacity of ice is 2.09 J/g
At 25 degrees celcius a sample of NH3 effuses at a rate of .050 mole per minute. Under the same conditions, which gas effuses at approximately one-half that rate?
What is the empirical formula of the compound if a 5.56 mg sample of a compound containing carbon, hydrogen, and oxygen underwent combustion producing 12.64 mg of CO2 and 5.
It is known that N2O is a linear molecule, but assume it is not known whether the structure is N-N-O or N-O-N. Use the IR data to decide between the two structures. What Vib
What is the maximum amount of work that can be obtained by the combustion of this butane if the gas is first brought to a pressure of 1.00 atm and the temperature is brought
What volume of pure O2(g), collected at 27°C and 746 torr, would be generated by decomposition of 114 g of a 50.0% by mass hydrogen peroxide solution? Ignore any water vapor
Question about Half life problem, We are performing an experiment using half-life =4.5 x 10^3 days labeled phenylalanine in which the five atomic hydrogens are labeled.To pe
A. what mass of solid FeCl3 is required to prepare 250.0 ml of 0.245 M FeCl3 solution. B. How would you prepare 500.0 mL of 0.0500 M FeCl3 solution starting from the above s
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