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Calculate the pH of a solution made up from 2.2 g of potassium hydroxide dissolved in 146 mL of 0.16 M perchloric acid. Assume the change in volume due to adding potassium hydroxide is negligible.
Calculate the amount of heat required to raise the temperature of 100.0g of water from -0.10 C to +0.10 C
A 10.00 mL sample of the resulting solution is transferred into an Erlenmeyer flask for a titration. How many grams of baking soda are present in the 10.00 mL sample?
Chlorine will spontaneously react with iodide to produce chloride and iodine.
Calcium hydride reacts with water to form calcium hydroxide and hydrogen gas. How many grams of calcium hydride
Identify the cathode and anode and determine the standard cell potential for a voltaic cell composed of Co^2+/CO(2) and FE^3+/Fe(s).
Calculate the rate at each time interval & average rate for the reaction and determine the rate of each time interval, and then calculate the average rate for the reaction in terms of [H 2 O].
many household cleaning products contain oxalic acid h2c2o4 a diprotic acid with the following dissociation constants
a fluorinated organic gas in a cylinder is compressed from an initial volume of 960 ml at 158 pa to 478 ml at the same
What is the heat kcal released when 50.0 g of water at 100 degrees C hits the skin and cools to a body temperature of 37 degrees C
A voltaic cell is constructed from an Ni^2+(aq)-Ni(s) half-cell and an Ag^+(aq)-Ag(s) half-cell. The initial concentration of Ni^2+(aq) in the Ni^2+-Ni half cell is [Ni^2+] = 1.1*10^-2M.
a piece of sodium metal reacts completely with water as follows.2 nas 2 h2ol -gt 2 naohaq h2gthe hydrogen gas
Calculate the percent compostion of impure benzoic acid. The orignial weight of benzoic mixture was 4.23 g
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