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1. Regard as the second-order decomposition of nitroysl chloride
2NOCl(g) 2NO(g) + Cl2(g)
At 450 K the rate constant is 15.4 atm-1s-1. Define how much time in s is needed for NOCl originally at a partial pressure of 74torr to decay to 11.1 torr?
2. Define how much time (in s) is needed for NOCl originally at a concentration of 0.0072 M to decay to 0.0022 M?
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.140 M HClO (aq) with 0.140 KOH (aq)
Draw the structure of the organic product formed from the reaction of sodium methoxide with 1-chloro-4-nitrobenzene. Add formal charges.
Which of the following is an accurate comparison of the properties of nitrogen and oxygen. A. Nitrogen uses more oxidation states in its compounds than oxygen does
The variation of stress-concentration factor for a bar with fillet that is axially loaded shows that the kt approached infinity as the r/d ratio decrease.
A mixture of Ar and N2 gases has a density of 1.416 at STP. What is the mole fraction of each gas?
Produce MnO2 (s) and Oxygen gas. Balance the equation for the oxidation of hydroperoxide ion to O2 (g) by permanganate ion in a basic solution.
if the reaction produces 5.72 grams of a compound called magnesium ammonium phosphate,MgNH4PO4. what is the percentage of phosphorus in the original plant food sample?
Suppose the conversion of this energy to electricity in a nuclear power plant is 45% efficient, define what mass of uranium-235 undergoes fission in a year in a plant that produces 1000 MW (megawatts). Remind that a watt is 1 J/s.
Predict the sign of the entropy change for the following reactions and tell whether the reactions are spontaneous or nonspontaneous. a. C8H16 (g) + H2(g) ? C8H18 (g) b. C2H5OH (l) + 3O2(g)? 2CO2 (g) + 3H2O (g)
total of 2.00 moles of a compound is allowed to react in a foam coffee cup that contains 122 gm of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7
What is the PH of the buffer that results when 12.0 g of NaH2PO4 and 8.00 g of Na2HPO4 are diluted with water to a volume of .50 L? (Ka of H2PO4=6.2*10^-8, the molar masses are 120.0 g/mol and 142. mol respectively.
Ozone reacts with nitric oxide discharged from jet planes to form oxygen gas and nitrogen dioxide. 0.740g of ozone react with 0.670g of nitric oxide. Determine the identity and quantity of the reactant supplied in excess.
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