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Describe the reaction of a weak acid and a strong base. What will the final pH be when the reaction between equal moles of a weak acid and a strong base is complete?
First Order Kinetics: A worker in a hazardous waste recycling facility inhales and absorbs toulene at a rate of 22 micrograms / hour. He excretes 2 L per day containing 18 micrograms / liter toulene
If the standard silver half-reaction potential is set to .80V, calculate the potential for the zinc half-reaction. Write the net ionic equation for the reaction that occurs in this voltaic cell.
a 0.115 m solution of an unknown weak acid ha has a ph of 2.57. i determined the acid ionization constant ka for the
To determine the volume of a cube, a student measures one of the dimensions of the cube several times. If the true dimension of the cube is 10.62 cm, give an example of one set of measurements that would illustrate the following:
25.0 mL of a hydrofluoric acid solution of unknown concentration is titrated with 0.200 M NaOH. After 20.0 mL of the base solution has been added, the pH in the titration flask is 3.00. What was the concentration of the original hydrofluoric acid ..
What is the numerical value (ignore units) of the equilibrium constant for the following reaction
consider the cell prepared with 2.0 m cd2 and 0.45 m zn2 solutionszns cd2aq --- zn2aq cdsa calculate the standard
Determine the mass of aluminum acetate that can be made if you do the reaction with 125 grams of acetic acid and 275 grams of aluminum hydroxide.
If the light given off is assumed to be directly proportional to the amount of tritium, by how much will a dial be dimmed in a watch that is 50 years old?
Carbon monoxide reacts with oxygen gas to produce carbon dioxide. A gaseous mixture contains 0.85 g of carbon monoxide and 0.73 g of oxygen gas. After the reaction is complete, what mass of carbon dioxide is formed? Which reactant is in excess?
Study the following set of ionization energy values for a certain element. Explain how many valence electrons does an atom of the neutral element possess
you have two flasks of equal volume. flask a contains h2at 0degc and 1 atm pressure. flask b contains co2 gasat 0degc
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