Question List for "Chemistry"

Pages: 1 ... 140 141 [142] 143 144 ... 170
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Chemistry » The mole fraction of oxygen molecules in dry air is 0.2095. What volume of dry air at 1.00 atm and ... New
Started by sbegs
 12 Nov 5, 2023
Chemistry » At what temperature will a sample of oxygen gas with a volume of 0.110 L at 12C and 822 mmHg occupy ... New
Started by campbellfam07
 20 Nov 5, 2023
Chemistry » Calculate the molar mass of a gaseous substance if 0.125 g of the gas occupies 93.3 mL at STP. New
Started by kaitlynndavis
 20 Nov 5, 2023
Chemistry » If equal masses of O2(g) and HBr(g) are in separate containers of equal volume and temperature, ... New
Started by BSITTON
 21 Nov 5, 2023
Chemistry » A sample of pure nitrogen has a temperature of 15 C. What is the temperature of the nitrogen in ... New
Started by Mscarter
 21 Nov 5, 2023
Chemistry » A spacecraft is filled with 0.500 atm of O2 and 0.500 atm of He. If there is a very small hole in ... New
Started by Facerro
 14 Nov 5, 2023
Chemistry » An aerosol can with a volume of 0.50 L has a bursting point of 2.6 atm. If the can contains 1.0 g ... New
Started by Scollins7
 9 Nov 5, 2023
Chemistry » Gas A and gas B are combined in a flask at initial pressures of 1.0 atm each. The flask is sealed ... New
Started by 0220521
 20 Nov 5, 2023
Chemistry » Which of these gases will have the greatest density at the same specified temperature and pressure? New
Started by redpassion
 13 Nov 5, 2023
Chemistry » When active metals such as magnesium are immersed in acid solution, hydrogen gas is evolved. ... New
Started by zl00505
 20 Nov 5, 2023
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