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The rate law for the reaction NO(g) + O3(g) ? NO2(g) + O2(g) is first-order in NO and O3, and second-order overall. Write the complete rate law for this reaction.
What is the concentration of the acid and base form of acetic acid when you start the experiment? c) In the process of the enzyme catalyzed reaction, 5mM H+ is produced. What is the pH of the solution after the reaction is complete?
iron was heated to 275.1 c and placed into 272 g of water at 19.8 c the temperature of the water rose to 25.6 c.
The activation energy for the following first-order reaction is 318 kJ/mol. N2O5(g)-->2NO2(g)+(1/2) O2(g). The value of the rate constant (k) is 6.65x10^-5 s^-1 at 84 degrees C. What is the value of k at 49 degrees C. (R=8.314 J/mol K)?
A 0.451 M solution of a weak acid, HA, has a pH of 4.01. Calculate Ka for the acid. Use E notation and 3 significant figures.
Suppose a nearby storm passage causes the wind speed in the town to suddenly increase to 10.0m/s. What is the carbon monoxide concentration one hour later?
How does the enthalpy change for the neutrlization of hydrochloric acid compare to the enthalpy change for the neutralization of aceitc acid. Explain any similarities or differences.
Which compound is the limiting reagent for this reaction. Calculate the change in enthalpy (delta H rxn) per mole of limiting reagent for this reaction.
The emulsifying agent from hand cream, a salt, is prepared from two chemicals. Write the structure of stearic acid.
Calculate the enthalpy change (in kJ) associated with the conversion of 25.0 grams of ice at -4.00°C to water vapor at 106.0°C. The specific heats of ice, water,
Determine the volume of 02 (at STP) formed when 50.0g of KClO3 cedomposes according to the following reaction. The molar mass for KClO3 is 122.55g/mol. 2KClO3(s)-->2KCl(s)+3O2(g)
Ribonuclease P proteins RPP21 and RPP29 bind one another during complex assembly. Thermodynamic measurements reveal that ΔH° = -66.3 kJ/mol and ΔS° = -73.2 J/mole*K at 40°C. What is the equilibrium constant for the binding reaction at 40°C?
How many moles of ammonia will be required to produce 11.5 mol of water?
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