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molecular I2 dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s-1. What is the half-life?
Deduce the structure of each alcohol (Structure of A and structure of B)
List at least three potentially hazardous features associated with concentrated sulfuric acid.
Calculate the time needed for the amount of ethane to fall from 1.43 10-3 mol to 2.00 10-4 mol in a 500. mL reaction vessel at 700.°C.
53.6 g sodium nitrate is dissolved in water to make 654 g of solution.What is the percent sodium nitrate in the solution.
Rate of reaction for 8H2S +4O2 -> 8H2O + S8, if started with 21.35g of H2S and 15.36g of O2. What is the limiting reactant and how much S8 can be produced.
Calculate the potential of the cell be if the mass of the Iron (Fe) electrode (MW = 55.85 g/mol) is 62.0 g?
How many milliliters of a 330 mL solution of 1.5 M Na3PO4 must be used to make 53 mL of a solution that has a concentration of .5 M PO43-?
HCl solution to reach the methyl red endpoint. Calculate the weight percent NH3 in the aqueous water
Determine how many grams of Phosphorus tri-fluoride will be produced when 40.1 g of F2 mix, and the reaction has a 78.1% yield?
Determine the partial pressure. Calculate the total pressure and volume in liters at STP of Nitrogen, Helium and Neon mixture.
A gas sample containing 1.47 mol at 25°C exerts a pressure of 401 torr. Some gas is added to the same container, and the temperature is increased to 50.°C. If the pressure increases to 800. torr,
Bronze is an alloy consisting of 88.0% copper and 12.0% tin. The density of copper is 9.28 g/mL and the density of tin is 7.48 g/mL. Calculate the approximate density of bronze.
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