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Consider the following reversible reaction. In a 3.00 liter container, the following amounts are found in equilibrium at 400oC: 0.0420 mole N2, 0.516 mole H2and 0.0357 mole NH3. Evaluate Kc.
N2(g) + 3H2(g)--->2NH3(g)
Which of the following represents the energy that is not available in a system to do work at a particular temperature
The distance between layers in a crystal is 321 pm. X rays are diffracted from these layers at an angle of 45.6°. Assuming that n = 4, calculate the wavelength of the X rays in nm.
a homogeneous powder derived from a sample of ayres rock in australia is known to contain 33.31 fe. the titration
first 10 drops of copper ii sulfate was placed into two wells and then a piece of string that was completely saturated
n-butane vapor and liquid are in equilibrium (boiling) at 18.66 bars. Use the Peng-Robinson equation of state to determine the saturated liquid and saturated vapor molar volumes
hydrogen chloride gas is shipped in a container under 5.000 mm hg pressure that occupies 20 liters at 30 celcius how many liters of gas would be produced at stp?
Compute the amount of heat needed to completely sublime 43.0 grams of solid dry ice at its sublimation temperature. (The heat of sublimation for carbon dioxide =32.3).
consider a 1 liter rigid vessel that is initially half full of water and half full of air at room temperature and 5
The relative sweetness of sucralose is 60000. The relative sweetness of sugar is 100. How many grams of sucralose would you need for a solution that has the same sweetness as one made with 2.00g of sugar
.35 M NaOH solution to reach the equivalence point. Determine the molar mass of the acid and given nthat the pH at the half way point to the equivalent point is 3.86. Calculate the Ka of the unknow acid.
The decomposition of NOBr is studied manometrically because the number of moles of gas changes; it cannot be studied colorimetrically because both NOBr and Br2 are reddish-brown.
a piece of sodium metal reacts completely with water as follows.2 nas 2 h2ol 2 naohaq h2gthe hydrogen gas generated
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