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the ostwald process converts ammonia (NH3) to nitric oxide (NO) by reaction with oxygen in the presence of a catalyst at high temperatures. in a test of the process a reaction vessel is initially charged with 3.90 mol NH3(g) and 4.90 mol O2(g), sealed, and heated at a fixed high temperture. when equilibrium is established the reaction mixtureis analyzed and found to contain 2.90 mol NO(g). what is the quantity of NH3 in the equilnrium reaction mixture? 4NH3(g) + 5O2(g) --> 4NO(g) + 6H2O(g).
what mass of limestone is required to remove all the sulfur dioxide formed by the combustion of 7.5 104 kg of coal that is 0.33 mass % sulfur?
If the average speed of an oxygen molecule is 4.05multiplied by 104 cm/s at 25°C, what is the average speed of a CO2 molecule at the same temperature?
In one city, a balloon with a volume of 6.0 L is filled with air at 101 kPa pressure. The balloon in then taken to a second city at a much higher altitude
How much ammonium hydroxide is needed to react completely with 75.0g of copper (2) nitrate in a double replacement reaction.
You have 16 electrons, 16 protons, and 16 neutrons. You can combine them to make 8 Helium (He-4) atoms, 4 beryllium atoms (Be-8), 2 oxygen atoms (O-16), or one sulfur atom (S-32).
At 760 K, 15% of a sample of cyclopropane changes to propene in 6.8 min. What is the half-life of cyclopropane at 760 K?
what is the maximum kinetic energy of a photo electron ejected from cesium by 555nm light? note that if the wavelength of the light used to irradiate the cesium surface become longer than 600 nm, no photoelectrons are emitted.
For the reaction SO3+H2O=H2SO4 calculate the percentage yield if 600 g of sulfur trioxide react with excess water to produce 475 g of sulfuric acid
Calculate the concentration of IO3- in a 3.02 mM Pb(NO3)2 solution saturated with Pb(IO3)2. The Ksp of Pb(IO3)2 is 2.5 × 10-13. Assume that Pb(IO3)2 is a negligible source of Pb2 compared to Pb(NO3)
The name of this covalent compound is nitrogen trioxide. d. The name of this ionic compound is manganese oxide.
While 1.22 g of a white solid, supposed of being pure cocaine, a molecular compound, is dissolved in 15.60 g of C6H6 the freezing point is lowered by 1.32 ¬0C. Compute the molar mass of the solid. Kf value for benzene = 5.12C/m.
a 7.95 L Container holds a mixture of two gases at 37 degrees celcius. the partial pressure of gas A and gas B, respectively, are .287 atm and .698 atm. if .210 mol a third gas is added with no change in volume or temperature.
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