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In the Grand Canyon, layers of sand on a sand bar exposed along the Colorado River contain common zircon crystals. Could these crystals be used to directly date the sandbar where the sand was deposited? Why or why not?
The tosylate of (2R, 3R)-3-phenylbutan-2-ol undergoes an E2 elimination on treatment with sodium ethoxide. Depict the structure of the alkene that is produced
a piece of metal with a mass of 148 g is placed in a 50 ml graduated cylinder. the water level rises from 20. ml to 35
which of these has the highest vapor pressure in a sealed container at a temperature cool enough to produce a liquid? a). CH2CH2OH b). NCl3 c). H2 D). N2 e). CH2OH
Estimate the boiling point of Br2 (l). (b) From standard reference sources, find the actual boiling point of bromine. (c) How do these values compare?
How many kilograms of CaCl need to be added to 25L of ice slush to lower the melting point by 5 degrees C? Please show work. kfp=1.86
How many liters of chlorine gas, measured at STP, would be produced by the electrolysis of molten sodium chloride using a current
Problem- The integrated rate law allows chemists to predict the reactant concentration after a certain amount of time, or the time it would take for a certain concentration to be reached.
a weak acid ha is found to ionize 17.8 when mixed at a concentration of 0.3 moll. what is the value of ka for this
Suppose that instead of a grignard reagent with CO2 you added benzophenone (C6H5COC6H5) to the prepared grignard reagent. What product would you form?
What volume of O2 at 798 mmHg and 39 celsius is required to synthesize 19.0mol of NO
A 0.9157 g mixture of CaBr2 and NaBr is dissolved in water, and AgNO3 is added to the solution to form AgBr precipitate. If the mass of the precipitate is 1.6930 g, what is the percent by mass of NaBr in the original mixture
Because of increasing evidence of damage to ozone layer,CFC production was banned in 1996.However, there are 100 million auto air conditioners that still use CFC-12(CF2C12) These air conditioners are recharged from stockpiled supplies of CFC-12.
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