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Give the structure and names of five alkenes having the molecular formula C6H12 that produce hexane on catalytic hydrogenation.
A solution of ethanol (C2H5OH) in water is prepared by dissolving 69.8 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution. What is the molarity of the ethanol in this solution?
Cesium atoms are the largest naturally occurring atoms. The radius of a Cs atom is 2.62angstroms. How many Cs atoms would have to be laid side by side to give a row of Cs atoms
Calculate the amount of work done, in joules, when 2.5 mole of H2O vaporizes at 1.0 atm and 25°C. Assume the volume of liquid H2O is negligible compared to that of vapor. [1 L·atm = 101.3 J]
A sample of chlorine gas in confinedin a 5.9L container at 220. torr and 27 degrees Celsius. How many moles of gas are present in the sample?
A 355 m-L container holds .146 g of Ne and an unknown amount of Ar at 35 degrees C and a total pressure of 626 mmHg. Calculate the moles of Ar present.
A 6 cm string is fastened at both sides is plucked. What is the wavelength of the n = 3 standing wave? How many nodes does it contain.
What is the concentration of the AgNO3 solution. How many grams of AgNO3 are precipitated.
In the lower troposphere, ozone is one of the components of photochemical smog. It is generated in air when nitrogen dioxide, formed by the oxidation of nitrogen monoxide from car exhaust, reacts by the following mechanism.
ow many milliliters of 0.200 M NaOH will be required to titrate 8 mL of 0.479 M H2SO4
how many grams of acetylene are produced by adding water to 5g of CaC2?
A bottle contains 225mL of insulin at a concentration of 40.0mg/mL . What is the total mass of insulin in the bottle?
The U.S. Environmental Protection Agency set a maximum contaminant level (MCL) for tetrachloroethylene (TCE, C2Cl4) in drinking water of 0.005 ppm (by mass).
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