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What is the pH when 50.0mL of a 0.53M solution of CH3NH2 is titrated with 17.70mL of a 0.37M soltion of perchloric acid? This is not enough acid to reach the equivalence point. (Kb for methyl amine= 4.4e-4)
Compute the activation energy for the flashing process. When At 29 o C the average rate is 3.3 flashes every 10 seconds; at 23 degree Celsius the average rate
Nitrogen dioxide reacts with water to form ammonia and oxygen. At a temperature of 23.0 degrees Celsius and a pressure of 1.01 atm, how many grams of ammonia can be produced when 9.00L of nitrogen dioxide react?
Rank the following atoms (from smallest to largest) based on which would have the largest second ionization energy?
The vapor pressure at 300 K is 856 torr. If 12.0 g of CCl3F is enclosed in a 1.0 L container, will any liquid be present? How much?
A copper refinery produces a copper ingot weighing 75 kg. the density of the copper is 8.94 g/cm^3. if the copper is drawn into a wire whose dimeter is 8.250mm
When N2O5 (g) is heated it dissociates into N2O3 (g) and O2(g) according to the following reaction: N2O5(g) N2O3(g) + O2(g) Kc= 7.75 at a given temperature. The N2O3(g) dissociates to give N2O(g) and O2(g) according the following reaction:
A compound is 40.0%C, 6.70%H, and 53.3%O by mass. Assume that we have a 100.g sample of this compound. What are the subscripts in the empirical formula of this compound?
After allowing the solution to sit for 30 minutes the student determines that the bromide concentration was [Br-]= 0.0012 M. What is the Pb2+ concentration?
The valence bond point of view refers to the resonance structures while the MOs refer to the resonance hybrid.
Gibbs free energy of formation for ammonia is -3.9 kcal/gmole and the standard heat of formation for ammonia is -10.96 kcal/gmole. Find the fugacity coefficient at the reaction conditions and calculate the effect of it on the reaction conversion.
A turbine operates by the impact of a high velocity jet of steam against the turbine blades. The steam leaves the turbine at a lower velovity.
The rate constant (k) for a reaction was measured as a function of temperature. A plot of ln k versus 1/t (in K ) is linear and has a slope of ?1.13×10^4 K.
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