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3 H2(g) +N2(g) ↔ 2NH3(g), The reaction has the following equilibrium constants at the following temperatures. Calculate at which temperature are products favored?
Define what is happening to the concentrations of reactants on the molecular level. At a particular temperature, iodine vapor, I2, is added to a bulb which is having the H2(g).
Determine the numbers of liters of chlorine gas, calculated at STP, would be formed by the electrolysis of molten sodium chloride by using a current of 3.50A for 46 Minutes?
Calculate the minimum sulfide ion concentration that will result in the precipitation of one action but not the other. Use sulfide precipitation to separate the copper (II) ions from the manganese
The products of the bombardment are cerium-144, rubidium-89, beta particles, and more neutrons. Determine the fission reaction in which the U-235 is bombarded by neutrons.
Analysis from charcoal in the cave gave 12.0 disintegrations/min/g of carbon. The remains of an ancient cave were unearthed. Analysis of a tree cut down when the cave was unearthed showed 15.3 disi
Iodine-131 decays by the beta emission and has a half-life of 8.1 days, it is used to treat thyroid cancer. Write down a balanced nuclear reaction for the decay of iodine-131.
Determine the pH at the equivalence point in the titration which is having 50mLof .13M methylamine with a .26M HCl solution. Kb=4.3x10^-4
Octane has a vapor pressure of 13.95 torrat 25 C and a vapor pressure of 144.78 torr at 75 C. Gasoline is a mixture of hydrocarbons, a major component of which is octane.
Determine the frequency in Megahertz of the incoming photon if you hit the surface of copper with a photon of energy and find out that the ejected electron has a wavelength of 1.8 NM.
Analyze the effect of the structure of the alkyl halide on SN1 and SN2 reactivity and also compare the simple secondary, primary and the tertiary alkyl halides.
What is the Molarity of the solution NaOCl when the quantity of iodine that liberated is such that28.02 mL of 0.0250 M Na2S2O3 solution must be added to cause the disappearance of the dark blue color
Identify the balanced equations for the oxidation-reduction reactions: The reduction of ClO- by I- in the acidic solution:
Find out the atomic wt of this metal when the density of an unknown metal is 8.94 g/cm^3 and its atomic radius is 0.126 nm. It has a face centered cubic lattice.
If Ecell is found to be 0.24 V, determine the pH of the acetic acid solution when a hydrogen electrode is immersed in an acetic acid solution. This electrode is connected to another which is h
Suppose the specific heat capacity of the coffee is the same as that of water. An ice cube of mass 8.0 g is added to a cup of coffee, whose temperature is 85 C and which contains 120 g of liquid.
Determine the number of disintegrations per minute in a 6.97 mg sample of 238U, by assuming that the half-life is 4.97x109 years.
The lithium reacted totally with the water to form the 250mL of hydrogen gas, at 23 degrees C collected over the water, at which temperature the vapor pressure of water is 21.07 Torr.
Determine the numbers of d-d transitions of different energies can be expected for each? Pd 2+ Cu 2+ both complexes have the square planar structures.
The atom in the center of the face is in contact with the corner atoms. Gold crystallizes in a face centered cubic unit cell that has an edge length of 4.078A.
The female silkworm moth forms a sex attractant called the bombycid, which is composed of 12.68% hydrogen, 80.61% carbon, and the 6.71% oxygen.
Determine the percentage of Na3PO4in the original sample when 2.488g of an impure sample of Na3PO4 are dissolved in the water, and the PO43- ions are precipitated as the Ca3(PO4)2, which is dried,
Oxygen and Nitrogen are pulled down by the gravitational potential, and diffuse the back upwards die to entropy the atmosphere is a giant sedimentation equilibrium experiment.
Describe the phase changes that occur when perfluorohexane is added to a fixed amount of hexane at (a) 23°C, (b) 22°C. Perfluorohexane and hexane show the partial miscibility below 22.
Discuss how much 1.20M NaOH will be required to neutralize the 225 mL of battery acid when the automobile batteries use 3.0 M H2SO4 as an electrolyte.