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Liquid Nitrogen has a density of 0.808 g/mL and boils at 77 K. Researchers often purchase liquid nitrogen in insulated 175-L tanks. The liquid vaporizes quickly to gaseous nitrogen (which has a density of 1.15 g/L at room temperature and atmospheric pressure) when the liquid is removed from the tank. Suppose that all 175 L of liquid nitrogen in a tank accidentally vaporized in lab that measured 10.00 m X 10.00 m X 2.50 m. What maximum fraction of the air in the room is displaced by the gaseous nitrogen?
A liquid that has a density of 0.80 ± 0.01 g/mL is insoluble in cyclohexane. What is the liquid?
A saturated solution of lead iodate in pure water has a lead ion concentration of 4.0 x 10¯5 mole per liter at 25 °C
The vapor pressure of chlorine dioxide (ClO2 ) is 155 Torr at -22.75 ? C and 485 Torr at 0 ? C. What is the normal boiling point of chlorine dioxide?
How many grams of ammonium sulfate can be produced if 30.0 mol of H2SO4 react with excess NH3 according to the equation 2NH3(aq) + H2SO4(aq) => (NH4)2SO4(aq).
A 357 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 625 mmHg. Calculate the moles of Ar present.
The volume of a drop of rain was found to be 0.448 ml at N.T.P. How many molecules of water and number of atoms of hydrogen are present in this drop.
210 mg Ca(OH)2 and 210 Al(OH)3. A 8.3×10^-2 M HCl, which is similar to stomach acid, is used to neutralize 5.0mL of liquid antacid. How many mililiters of HCl solution are needed to neutralize Ca(OH)2, then Al(OH)3?
An apparatus to be used in a decomposition study was filled with N2 gas at 400.00 mm Hg and 400.0 deg C. The volume of the apparatus was 400.0 mL.
When 25mL of a 120mL stock solution containing 2M AlCl3 is diluted to 80mL, how many moles of Al3+ are in the new solution.
Isotopes Decay, Isotopes decay according to first order kinetics with a predictable half life
what is the density of a piece of metal if it's mass is 201 g and its volume is 18.9 cm3
Determine the theoretical and percent yields of ethanol if 684 g sucrose undergoes fermentation and 349 g ethanol is obtained?
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