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Set up the rate expressions for the following mechanism. A --> B k1 B --> A k2 B+C --> D k3 If the concentration of B is small compared with the concentrations of A, C, and D, the steady-state approximation may be used to derive the rate law. Derive the rate law, and show that this reaction may follow the first-order equation at high pressures and the second-order equation at low pressures.
A mixture of 10.0g of Ne and 10 g Ar have a total pressure of 1.6atm. What is the partial pressure of Ne
Assuming that equilibrium has been reached, calculate Kc and Kp for the reaction.
how many joules of heat are produced for each electron? c. If the circuit operates for thirty mins, how many mles of electrons will have flowed through the resistor?
How is the number of unpaired valence electrons in an atom related to the number of bonds that the atom can form
Silver metal crystallizes in a face centered cubic unit cell. The edge of the unit cell has a length of d = 407pm. What is the radius in picometers of a silver atom
The decomposition of carbon disulfide, CS2 to form carbon monosulfide, CS and sulfur is first order with k = 2.8 x 10^-7 / second at 1000 degrees C. CS2 => CS + S determine how many days would be needed before a 1.00 gram sample of CS2 had decompo..
Predict the sign of Change in S for this reaction and explain. -Calculate the Change is S from standard molar entropy values. S for Na2O2(s) = 95 J/mol K
Given that the most common mineral in limestone is calcium carbonate, describe how these limestone objects are corroded by the sulfuric acid in polluted air. What chemical reaction is involved here?
Helium-oxygen mixtures are used by divers to avoid the bends and are used in medicine to treat some respiratory ailments. What percent (by moles) of He is present in a helium-oxygen mixture having a density
calculate the molarity of of the following solutions 6.57g of methanol ( CH3 OH) in 1.50 x 10^2 mL solution
0.2356 g sample containing only NaCl and BaCl2 yielded 0.4637g of dried AgCl. Calculate the percent of each compound in the sample.
A solution is prepared by mixing 75.0 mL of 0.030 M BaCl2 and 250. mL of 0.040 M K2SO4. What are the concentrations of barium and sulfate ions in this solution? Assume only SO42- ions (no HSO4-) are present.
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