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An unknown alcohol of molecular formula C4H10O forms only one alkene when treated with sulfuric acid. No reaction is observed when the alcohol is treated with oxidizing reagent. Draw the structure of the alcohol.
A 1.25 g sample of dry ice is added to a 765 mL flask containing nitrogen gas at a temperature of 25.0 C and a pressure of 715 mm Hg. The dry ice is allowed to sublime (convert from solid to gas) and the mixture is allowed to return to 25.0 C. Wha..
Determine the volume of SO2 (at STP) formed from the reaction of 96.7g of FeS2 and 55.0 L of O2 (at 398K and 1.20 atm). The molar mass of FeS2 is 119.99 g/mol.
a box contains a mixture of small copper spheres and small lead spheres. the total volume of both metals is measured by
Microwave ovens heat food by creating microwave electromagnetic radiation that is absorbed by water molecules in the food. Any material that does not have water in it will not absorb the radiation and will not get hot
Express the concentration of a 0.0620 M aqueous solution of fluoride, F-, in mass percentage and in parts per million. Assume the density of the solution is 1.00 g/mL.
The average concentrations of Bromide in sea water(d=1.024g/ml) and the Dead Sea(d=1.22g/ml) are 0.065 g/l and 0.50 g/l. What is the mass ratio of bromine in the dead sea to that in sea water
What is the theoretical concentration of the 2,6-dichloroindophenol solution? What is the theoretical volume of 2,6-dichloroindophenol needed to neutralize 10mL of the vitamin C standard solution?
25.00 mL of 0.0200 M MnCl2 is titrated with 0.0250 M Na2H2Y. Both solutions are buffered to pH 8.20. Determine pMn after the addition of the following volumes (mL) of the Na2H2Y.
The enthalpy change when 1 mol methane (CH4) is burned is -890 kJ. It takes 44.0 kJ to vaporize 1 mol water. What mass of methane must be burned to provide the heat needed to vaporize 1.00 g of water
a large cylinder of He gas,such as that used to inflate balloons,has a volume of 25.0 L at 22c and 5.6 atm. How many moles of He are in such a cylinder
For each of the following methods for analyzing kinetic data, describe one advantage and disadvantage for each method: a. Assumption of pre-equilibrium conditions b. Using the integrated rate laws to fit data
At 123?C, the pressure of a sample of nitrogen is 1.45 atm. What will the pressure be at 267?C, assuming constant volume?
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