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if the first order half life is 300. seconds at 35 degrees Celsius and the initial concentration of hydrogen peroxide in a commercial Winn-Dixie product is 0.050M, then after 30 minutes, calculate the concentration of the hydrogen peroxide expected at the instant the half life interval is over.
what are the structural formulas for the following compound : 6-bromo-2-methyl-3-heptyne
Given the following: 3648 L of wine, pH is 3.24, FSO2 is 24mg/L, TSO2 is 89 mg/L, alcohol is 12.6%. You want to maintain a MSO2 of at least 0.8 mg/L. How many mL of 95% pure SO2 liquid that has a density of 1.46 g/ml would you add
what quanitity of energy does it take to convert 0.500kg ice at -20 Celsius to steam at 250 celsius? specific heat capacities: ice, 2.03J/g Celsius
determine the freezing point of this solution If 18.0 grams of a nonelectrolyte that has molar mass = 44.2 g/mol are combined with 110.0 grams of the solvent,?
the pH of a saturated solution of a metal hydroxide MOH is 10.85 calculate the Ksp for the compound
A stock solution is prepared by adding 24 mL of 0.4 M Na3PO4 to enough water to make 79 mL. What is the PO43- concentration of 25 mL of the stock solution?
A 1L flask is filled with 0.25 mol N2and 0.65 mol H2 at 20 oC. These gases react to make NH3, heating up the flask to a temperature of 45 oC.
how many moles of gas are there in a 45.0 l container at 25.0 degress celcius and 500.0 mm hg
15.0 mL of 0.50 M NaOH is added to a 100.-mL sample of 0.376 M NH3 (Kb for NH3 = 1.8 x 10^-5. What is the equilibrium concentration of NH4^+ ions? The answer is 9.0 x 10^-5 M.
The equilibrium constant Kc for the decomposition of phosgene, COCl2, is 4.63 10-3 at 527°C. COCl2(g) CO(g) + Cl2(g) Calculate the equilibrium partial pressure of all the components
Use MO theory to predict the net bond order after N2 interacts with a photon that results in the promotion of an electron from bonding to an antibonding orbital.
Draw the possible side products that may occur in the bromination of trans stilbene by pyrdinium perbromide
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