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Mercury has a density of 13.6 g per mL. A barometer holding 9.50 mL of mercury has broken. The cost of mercury disposal is based on mass, how many kilograms of mercury were in the barometer?
she observed the formation of a large volume of precipitant while trying to dissolve copper sulfate in the irrigation water from the well on her farm (which contains high levels of hydrogen sulfide). What explanation can you provide for this obser..
How much potassium nitrate has to dissolve in water to absorb 114 kJ of heat?
determine that the temperature of your distilled water is 24.5°C. You carefully determined the mass of a clean dry beaker and found that it was 58.1884 g.
A standard solution was made when 1.132g of pure copper wire (MM= 63.546g/mol) was weighed, dissolved in concentrated HNO3, and diluted to 100 mL. What is the concentration of the stock solution
If the original sodium tartrate solution had a concentration of 1.00 M instead of .100 M, what would the concentration of copper be in a solution created by combining 10 mL of it with 10 mL of the copper (II) sulfate solution. Use the Ksp you foun..
How many grams of water are needed to react with 75.0 g CaCN2?
Pretend that the HCl of this reaction is used in the neutralization of 45mL of a solution of Ga(OH) 3. What was the molarity of the Ga(OH)3 solution
An unknown Cu2+ sample gave an absorbance of 0.262 in an atomic absorption analysis. Then 1.00 ml of solution containing 100.0 ppm Cu2+ was mixed with 95.0 ml of the unknown, and mixture was diluted to 100.0 ml in a volumetric flask.
calculate the pressure in atm exerted by 1.00 mole of acetylene at 125degc in a 20.0-liter container. the van der waals
Calculate the volumetric size of a water molecule in vapor, assuming 1 mole of the vapor occupies 22.4 L, as if the vapor were an ideal gas
Calculate how long will it take for a sample of radionuclide with a half-life of 27.1 days decay to 1.0% of its original value.
an ideal gas with temperature independent Cp = (7/2)R at 15 degrees C and having initial volume 60 m^3 is heated at constant pressure (P =0.1013 MPa) to 30 degrees by transfer of heat from a resivoir at 50 degrees C.
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