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Three gases (8.00 rm g of methane, CH_4, 18.0 g of ethane, C_2H_6, and an unknown amount of propane, C_3H_8) were added to the same 10.0 L container. At 23.0 C, the total pressure in the container is 4.90 atm. Calculate the partial pressure of each gas in the container. Express the pressure values numerically in atmospheres, separated by commas. Enter the partial pressure of methane first, then ethane, then propane.
what the oxidation state P in PO4^-2? what the oxidation state O in PO4^-2?
Calculate the percent yield for the reaction: P4 (s) + 6 Cl2 (g) → 4 PCl3 (l) if 75.0 g of phosphorus reacts with excess chlorine gas to produce 111.0 g of phosphorus trichloride.
5.0 g of H2O at 23.0 oC is added to 100.0 g of H2O at 67.5 oC. What is the temperature of the resulting mixture
Octane has a density of 0.692 g/mL at 20 Celsius . How many grams of O2 are required to burn 1.30 gal of C8H18
Europium (Europium is a chemical element with the symbol Eu and atomic number 63 )crystallizes in a body-centered cubic lattice compute the unitcell edge length in pm if The density of Eu is 5.26 g/cm3..
An enzyme reduces the activation energy of a reaction at the temperature of 25 degree celsius from 55 kjmol-1 to 15kJ mol-1 by changing the route of the reaction.
Many home barbeques are fueled with propane gas C3H8 What mass of carbon dioxide (in kg}) is produced upon the complete combustion of 18.9 { L} of propane (approximate contents of one 5-gallon tank)
How much heat energy, in kilojoules, is required to convert 73.0 g of ice at -18.0 0C to water at 25.0 0C ?
In the reaction between glucose and oxygen 10.0 g of glucose reacts and 7.50 L of carbon dioxide is formed. What is the percent yield if the density of CO2 is 1.26 g/L?
Concentration of H 2 is observed 2.15 moles/L When the reaction N 2 (g) + 3 H 2 (g) ?? 2 NH 3 (g) comes to equilibrium. Determine the numerical value of the Kc equilibrium constant?
You have 493 mL of chlorine trifluoride gas at 699mmHg and 45 degrees Celsius. What is the mass (in grams) of the sample.
What is the theoretical yield of bismuth when 393 g of Bi2O3 reacts with excess carbon as shown below? Bi2O3 + C(s) => Bi(s) + CO(g) (not balanced)
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