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SCUBA divers breathe a mixture of helium as well as oxygen gasses for divers in excess of 150 ft. If 15.68 grams of oxygen gas as well as 7.60 grams of helium gas are both added to a 5.00 L SCUBA tank at room temperature, explain what will be the total pressure in the tank assuming ideal behavior?
two identical positive charges exert a repulsive force of 6.4x 10^-9 when seperated 3.2x10^- 10 m. calculate the charge of each
What weight of sodium formate must be added to 400mL of 1M formic acid to produce a buffer solution that has a pH of 3.50
How many grams of TiCl4 are needed to react completely with 155 L of H2 at 435 oC and 795 mm Hg pressure?
Determine the element of lowest atomic number that contains a complete d subshell in the ground state. element symbol
How many silver atoms are in a single nanoprisms with an edge length of 45nm and a length of 5 nm. the density is 10.5 g/cm3
analysis of corrosion mechanisms and preventative measuresdissimilar and selective metal corrosion have presented a
00,000 gallon spill of 10 M HCL into 379,000 L lake. Carbonate alkalinity = 150 mg/L CaCO3. Initial pH of lake is 7.50. What is the new pH of the lake after the spill?
What mass of carbon dioxide is produced from the complete combustion of 6.50×10-3 of methane?
A disinfectant solution is made by dissolving 4.50 g of hydrogen peroxide (H2O2) in 143.2 g of water. Calculate the mass percentage of hydrogen peroxide in the solution. What is the concentration of hydrogen peroxide in parts per million? What is ..
under certain conditions, the combustion of charcoal (C) in the presence of o2 forms carbon monoxide (CO) according to the given balance equation.
Calculate the current (mA) required to deposit 0.89g of tungsten metal in 45 minutes from a solution of WO42-. (Atomic weight: W=183.8)
calculate the change in enthalpy when 52.0 g of solid chromium at 25 degrees celcius and 1 atm pressure is oxidized.
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