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Beginning with 150.0 mL of 0.175 M ammonia, determine the solution's pH after each of the following steps:a) before any additional material is added to the solution, b) after 25.0 mL of 0.200 M nitric acid, HNO3, is added, c) after 25.0 mL of 0.400 M ammonium chloride is added to the solution resulting from step (b), andd) after an additional 25.0 mL of 0.400 M ammonium chloride is added to the solution (be sure to account for the change in volume at each step).
What modification occurs when a small amount of p-divinylbenzene is added to the reaction mixture during the polymerization reaction of styrene to form polystrene
calculate the final temperature of the mixture of 150 g of ice initially at 13.5 celsius and 278 g of water initially at 84.5 celsius
determine the molarity of a saturated nai sodium iodide solution aqueous formed as twenty five degree celsius
element is the central atom of sodium chloride, megnesium sulfate, calcium carbonate, ammonia, and hydrogen cyanide?
The equilibrium constant, K, for the reaction shown below has a value 1.8 x 105. In this reaction which is the strongest acid and which is the strongest base
What iron phase is characterized by body-centered cubic, a solid solution of carbon and/or alloying elements in FCC iron (carbon ranges from 0 ~ 0.025%)
A calorimeter is not a perfect insulator. For a reaction that is endothermic, will the reported (delta)H be too high, too low, or unaffected if the heat exchange with the calorimeter is ignored
Rubidium atoms are bombarded with 131 nm light. What is the kinetic energy of the ejected electrons
a constant push of 250N is necessary to slide a crate weighing 400N along a 2.0-meter-long ramp. if the ramp rises 1.0m, what is the efficiency of the ramp.
Determine the number of bonding electrons and the number of nonbonding electrons in the structure of SI2. Determine the number of bonding electrons and the number of nonbonding electrons in the structure of CO2.
Bromothymol blue is a common acid-base indicator. It has a Ka equal to 1.6 X 10^-7. Its unionized form is yellow and its conjugate base is blue. What color would a solution have at pH=5.8?
Exactly 100 mL of 0.10 M nitrous acid (HNO2) are titrated with a 0.10 M NaOH solution. Calculate the pH for the following. (a) the initial solution
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