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If 0.327 moles of H2S effuses in 462 seconds, how many seconds would it take for the same number of moles of CH3Cl to effuse?
what is the appropiate mechanism for the radical polymerization of 1-butyne? show the polymerization of three units of 1-butyne.
A 250.0 ml sample of gaseous hydrogen bromide, measured at 22.9 C and 0.930 atm, was dissolved in sufficient pure water to form 250.0 ml of solution. What was the pH of that solution.
What is the probability of populating the first excited vibrational state (n = 1) at 298 K? Does isotopic substitution affect the probability? Would the intensity of absorption peaks be affected by isotopic substitution?
Given that Iron(III) oxide or ferric oxide (molar mass = 159.7 g/mol) reacts with Carbon monoxide (molar mass = 28.0 g/mol).
Application of ideal gas law - How high can you raise the temperature of the gas without bursting the vessel?
Gaseous HBr has an absorption band centered at about 2645 cm-1 consisting of a series of lines approximately equally spaced with an interval of 16.9cm-1.
An aqueous solution is 22.0% by mass ethanol, CH3CH2OH, and has a density of 0.966 g/mL. what is molality of ethanol
calculate the final molarity of the solution that results when 125 ml of .200 M HCL is diluted to 1.00L
Calculate the average absorbance and use this value for an absorbance point on your graph. Use the printed graph from above, find the average Absorbance of the unknown on the y-axis
Find out the concentration of this solution 1) in m (molality), 2) XHX (mole fraction of HX), 3)% w/w (percent by mass) if solvent in this solution is H 2 O. ?
Determine the final pH of a solution that is prepared by mixing 25 mL of 0.15 M sodium hydroxide( NaOH )with 20. mL of 0.20 M HA,( a weak acid with Ka = 2.3 x 10-6)?
Na3PO4 + 3AgNO3 = Ag3PO4 + 3NaNO3 How many moles of AgNO3 would be required to react with 2.0 mol of Na3PO4.
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