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170 mL of an HCl solution with pH of 2.30 is added to 200 mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution?
A 0.50 mol/L solution of codeine has a pOH of 3.05. What is the Kb value of codeine?
A reaction has a rate constant of 7.69 M^-1s^-1 at 219 K and a rate constant of 3.36 *10^4 M^-1s^-1 at 344K. what is the activation energy for this reaction
The combined flow to the two tanks is .1 m^3/s. the depth of each tank is 2 m and each has a detention time of 4 h. what is the surface area of each tank and what is the overflow rate of each tank in m^3/d*m^2?
When bicarbonate is reacted with acid it releases CO2. How many moles of HCO3? did you start with if you collect 1.24 x 10 3 moles of CO2(g)?
Confirm whether an acid base reaction occurred stoichiometrically. The concentration of concentrated nitric acid is 15.8 M. For full credit show all calculations.
(a) What conditions are represented by the abbreviation STP. Temperature °C Pressure atm (b) What is the molar volume of an ideal gas at STP
a first order reaction has k 0.440 min-1 and the initial concentration of reactant is 0.840 m. what is the
calculate the mass of nitrogen dissolved at room temperature in an 94.0 home aquarium. assume a total pressure of 1.0
The Instructor recently had his car inspected by the KWIK Stocker State Inspection at Webster, Texas. The table below shows part of the Emission Test Results.
A quantity of 1.25 mole of an ideal gas at 328 K expands isothermally against a constant external pressure of 2.85 atm from 3.12 L to 11.85 L. Calculate the values of q, w, delta H, delta S system
Using vsepr molcule determine Electron Domain and Molcules for. CH3I ClF3 H2S SO3 SO4^-2 Nh4 NH2^- CO3^-2 ICI2
Outline the mechanism of the reaction of acetyl chloride with NaN3 to give acetyl azide. This reaction is known as Nucleophilic Acyl Substitution.
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