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A mixture of water and graphite is heated to 600 K. When the system comes to equilibrium it contains 0.13 mol of H2, 0.13 mol CO, 0.43 mol of H2O and some graphite. Some O2 is added to the system and a spark is applied so that the H2 reacts completely with the O2. Find the amount of CO in the flask when the system returns the equilibrium
Construct a graph of the Maxewell distribution of speeds (equation 20.4 in Atkins Book) for Cl2 at 100 K and 298 K using excel or mathematica.
Predict the mass of the most abundant fragment signal in the mass spectrum of 2,2-dimethylpentane. 85 amu 29
The molar enthalpy of fusion of solid silicon is 46.4 kJ mol-1, and the molar entropy of fusion is 27.6 J K-1 mol-1.
Assuming that the total pressure of the gases is 1.52 and that their mole ratio is 94 : 4.0 : 1.5 : 0.50, calculate the partial pressure (in atmospheres) of each gas.
Define the possibility of stereoisomers exists, However, the addition of bromine to an equimolar mixture of cis- and trans-2-butene generates only three stereoisomers. Explain.
A catalyst has a avoid fraction of 0.40, an internal surface area of 180 m2/g and a pellet density of 1.40 g/cm3. Estimate the effective diffusivity of thiophene with hydrogen
An electron in the n = 4 level of an H atom emits a photon of wavelength 97 nm. To what energy level does the electron move?
A zero-order reaction has a constant rate of 2.00×10-4 . If after 50.0 seconds the concentration has dropped to 6.00×10-2 , what was the initial concentration?
The element lanthanum has two stable isotopes, lanthanum-138 with an atomic mass of 137.9 amu and lanthanum-139 with an atomic mass of 138.9 amu
design a series of reactions to convert ethanol to 2-butanol. You can use other inorganic reagents you need, but only ethanol
What is the voltage output of the half -cell at the pt electrode that you made out of a saturated solution of ca(IO3)2 (s) if the E0 for IO3-/I- is 0.26v in a solution
Hydrogen was cooled from 150 c to 50 c. It's new volume is 75 ml. What was the original volume?
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