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Question- A closed container is filled with oxygen. The pressure in the container is 385kPa . What is the pressure in millimeters of mercury?
As much detail as probable is really appreciated
At what pH must solutions of nickel (II) ions be maintained in order to prevent precipitation of the hydroxide
While analyzed by gas chromatography the peak areas for benzene as well as toluene are 6382 and 4793 respectively. Find out how many milligrams of benzene are in the initial 7 ml of gasoline. If someone can give a little insight on how to start thi..
The enthalpy for oxidation of diamond by oxygen to carbon dioxide is -395.4 kJ/mol but the enthalpy for oxidation of graphite to carbon dioxide is -393.4 kJ/mol. Find the enthalpy of reaction for graphite going to diamond.
A metal sample weighing 34.526 g was heated to 98.0 C then quickly transferred into Styrofoam cup calorimeter containing 74.365 g of distilled water at a temperature of 27 C. The temperature of the water in the cup increased and stabilized at 29 C..
Draw the structure of the cis and trans isomers of the compound you prepared from last question. Why did you obtain the trans isomer?
Consider H2, D2, and H2O, treated as ideal gases as pressures of 1 atm and temperatures of 293.2 K.
A sample of an unknown gas effuses in 11.7 min. An equal volume of H2 in the same apparatus under the same conditions effuses in 2.23 min. What is the molar mass of the unknown gas?
A solution is prepared by dissolving 0.23 mol of acetic acid and 0.27 mol of sodium acetate in water sufficient to yield 1.00 L of solution. What is the pH change (pH) caused by the addition of 0.05 mol of HCl to this buffer solution
nickel is to be deposited on a platinum cathode area120cm2 from a solution that is 0.200m in ni2 and buffered to a ph
mgnh4po4.6h2o loses h2o stepwise as it is heated. between 40c and 60 the monohydrate is formed and above 100 celcius
A sample of nitrogen occupies a volume of 500 mL at 60 C and 500 mm Hg of pressure.What will its volume be at STP
How do you break HClO4 down showing it as an acid according to archenius definition
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