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The gases NO and O2 are mixed in a container of fixed volume kept at 1000 K. Their initial concentrations are 0.0200 mol/L and 0.0300 mol/L, respectively. When the reaction 2NO(g) O2(g) ? 2NO2(g)has come to equilibrium, the concentration of NO2 is 2.2 x 10-3 mol/L. Calculate the molar concentration of O2 at equilibrium.
Calculate the equilibrium concentration of each compound if 3.10 moles of COBr2 are placed in a 3.00 liter flask at a certain temperature. Kc = 0.140 for the reaction at this temperature.
Minimal energy cost of H2S conversion to hydrogen and sulfur in gliding-arc is 1.6 eV/molec
Which group contains elements most likely to form covalently-bonded molecules?
What phase changes occur when the pressure is held constant at 0.25 atm and the temperature increases from 100 °C to 300 °C?
A) aqueous naoh and ch3ch2co2h B) aqeous naoh and c6h5so3h c) ch3ch2Li in hexane and ethyne d) ch3ch2Li in hexane and ethyl alcohol
If 17.7 kilograms of Al2O3(s), 58.4 kilograms of NaOH(l), and 58.4 kilograms of HF(g) react completely, how many kilograms of cryolite will be produced?
A mixture of Ar and N2 gases has a density of 1.416 at STP. What is the mole fraction of each gas?
Phosphorylation of a serine residue on the dual function enzyme PFK2/FBP2 switches it from a kinase active, phosphatase inactive form to a kinase inactive, phosphatase active form
What is the H3O+ concentration of the solution?
Calculate the number of grams of propane (C3H8) required to heat all of the water in a 50-gallon hot-water tank from 23.4 degrees C to 65.0 degrees C
calculate (a)molality? (b)molarity of NaCl? (c) What is the mass/mass and remove the most loosely held e- from a gaseous atom in a ground state
If all 0.44 gigatons CO2 remain in the atmosphere and spread around the atmosphere evenly, what concentration in ppm would it constitute?
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