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What is the activation energy of a reaction if its rate constant at 35 C was double the value of the rate constant at 25 C?
Given the energy of a diatomic molecule with masses m1 and m2 constrained to move along the x axis. The force constant of the bond connecting the two atoms is k.
The resulting equations are y=1.2550x + 0.0707 and y=-1.2550x + 1.3377. Determine the overall mol fraction of each ion, the n value, and the empirical formula of the iron complex
For the following reaction, 4.91 grams of sodium are mixed with excess water. The reaction yields 5.83 grams of sodium hydroxide.
You already have a solution that contains 10 (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this solution? The pKa of acetic acid is 4.74.
The purification unit can remove three-fourths of the DMF from the combined feed to the unit. Calculate the mol fraction of DMF entering the purification unit and the recycle ratio (recycle ratio = moles in recycle/moles in feed).
What mass of lead sulfate is formed in a lead-acid storage battery when 1.41g of Pb undergoes oxidation
If you pipetted 50.00mL sample of an unknown brime and titrated it with 37.64mL of 0.1024M of silver nitrate solution. Calculate the ppm of sait (NaCl) in the sample.
The solubility product constant (Ksp) for the dissolution of CaF2 as represented by the chemical equation is 3.4 x 10-11. CaF2 (s) Ca2+ (aq) + 2 F- (aq) Calculate the molarity (M) of Ca2+ in a saturated solution of CaF2
The solubility product constant (Ksp) for the dissolution of Cu(OH)2 as represented by the chemical equation is 2.6 x 10-19. Cu(OH)2 (s) Cu2+ (aq) + 2 OH- (aq) Calculate the molarity (M) of Cu2+ in a saturated solution of Cu(OH)2. Molar Mass (g/mo..
a swimming pool 20.0 m ? 12.5 m is filled with water to a depth of 3.71 m. if the initial temperature of the water is
The actual flow rate of blood into the lungs is roughly 5 L/min. Identify the assumptions made in the calculation of part (b) that are likely causes of the discrepancy between the calculated and actual blood flows.
What is the pH of a 0.30 M pyridine solution that has Kb=1.9x10^-9? the equation for the dissociation of pyridine is C5H5N5(aq)+H2O(l) >>> C5H5NH(aq)+OH-(aq).
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