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A fluorinated organic gas in a cylinder is com- pressed from an initial volume of 960 mL at 158 Pa to 478 mL at the same temperature. What is the final pressure? Answer in units of Pa.
It is found for the reaction A + B > C that doubling the concentration of either A or B while keeping the other one constant quadruples the reaction rate. Write a rate law for the reaction
Two determinations of the dissolved oxygen content of a 200 mL sample of water, made five days apart, gave 5.3 ppm and 2.2 ppm of dissolved O2 respectively.
Consider 48.5 mL of a solution of weak acid HA (Ka = 1.00 * 10-6), which has a pH of 4.350. What volume of water must be added to make the pH = 6.000?
Method for Trapping a Gas, The decomposition of 3-sulfolene to form 1,3-butadiene generates 1 mole of sulfur dioxide gas per mole of 1,3-butadiene. Substantial quantities of SO2 would be generated if this decomposition were carried out on a large ..
How many grams of pure solid PbCl2 could be formed from the reaction of 5.176 g of lead with excess HCl?
For the compound MX, Ksp is 2.00 × 10-11. The anion X- forms the weak acid HX (Ka = 1.8 × 10-5). Calculate the solubility of MX in 10.00 M strong acid.
Consider a stoppered flask containing benzene, iodine, and air, which has reached equilibrium at 298K. Which one of the following statements concerning the system at equilibrium is true?
Ethanol is a common laboratory solvent and has a density of 0.789 g/mL. What is the mass, in grams, of 143 mL of ethanol.
Determine the rate constant also explain how many mg will remain after thirty nine days - A radiation biologist studies the decomposition rate of a certain substance and obtains the given data as
A 0.264-gram sample of an amino acid was dissolved in 95.0mL of water and titrated with 0.105M NaOH. The first equivalence point was found at V(OH)=16.3mL.
a sample of gas occupoes 17ml at -112 degrees C. what volume does the sample occupy at 70 degrees C.
When 0.062 moles of ammonium sulfate ((NH4)2SO4) are dissolved in enough water to make 200 milliliters of solution, how many ammonium ions are present.
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