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An aerosal spray can with volume of 450mL contains 4.0g of propane (C3H8) as propellant. Explain what is the pressure of the gas in the can at 28 degrees C?
what mass of zinc can be plated onto a metal sheet a process call galvanizing from an aqueous zinc sulfate solution
A solution contains 10.0 g pentane, C5H12, 10.0 g hexane, C6H14 and 10.0 g benzene, C6H6. What is the mole fraction of hexane?
If 35.27 g of sodium carbonate react completely, how many grams of H2O will be produced?
what is the diameter in micrometers of a spherical inknbspdroplet from an early version of an ink-jet printer if the
You have 4.507 L of a 0.1572 M H3BO3 (boric acid, Ka = 5.800x10-10) solution. To convert this into a buffer having a pH of 9.3380, how many grams of KH2BO3 (M.W. 99.926) should be added to the solution?
How many E.Coli cells can fit in the volume occupied by a single eukaryoti cell of a round shape with the diameter 50 um? Assume e.coli is cylinder with a diameter of 0.5um and a hieght of 2 um
Calculate the pH of the buffer that is produced when 5.00 grams of boric acid (HBH2O3 molecular weight =61.84g/mol, Ka = 5.83x10-10) is added to 250. ml of 0.100 M NaOH.
the volume of a catalyst in the shape of a sphere is 10.0 centimeter cubed. calculate the surface area. if the sphere
Compute the concentrations of the ions as well as the molar solubility and the solubility product constant for salt at 25 Celsius. Step by step and the balanced reaction
An opened can of soda goes "flat" because the partial pressure of carbon dioxide is lower in the atmosphere than in the unopened can. Fish kills may occur in the summertime because an inadequate amount of oxygen is dissolved in the water. A soluti..
Dry air is bubbled through 25 litres of water at a rate of 15 litres (STP)/min. The air leaving the liquid is saturated with water at 25 degrees celcius and 1.5 atm. How long it will take for all of the water to vaporize.
Determine the pressure in Standard atmospheres,Torr and mm Hg units when A gauge on compressed gas cylinder reads 1500 psi ( pounds per square inch; 1 atm =14.7 psi).
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