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To obtain the rate of reaction 3I- (aq) +H3AsO4(aq) +2H+(aq)->I3-(aq)+H2AsO3(aq)+H20(l) you might follow the I- concentration or the I30 concentration. How are the rates in terms of these species related?
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. First what is the initial pH (before any NaOH is added)? The Ka for HOCl is 3.0 x 10-8 M.
How many mls of the KH2PO4 stock solution will you use. The pKa values for phosphate are 2.12, 7.21, and 12.3. Thank you for your assistance.
the balmer series of transitions for the hydrogen atom result in absorption of photons that all originate from the n 2
question at 63.5 degrees celsius the vapor pressure of water is 175 torr and that of ethanol c2h5oh is 400 torr. a
Identify the compound: molecular mass 113; gives a positive hydroxamate test; IR: 2237, 1733, 1200 cm-1; 1H NMR: ? 1.33 (3H, t, J = 7 Hz), ? 3.45 (2H, s), ? 4.27 (2H, q, J = 7 Hz). Please draw the structure.
The vapor pressure of pure ethanol is 56 torr. if a solution prepared from 560.0 g of methanol and 210.0 g of ethanol has a vapor pressure of .31 atm over the soultion.
for 1st order problem, at 298k the rate is 3.8X10^-6M/s, and at 350k the rate is 4.2X10^-5 M/s. What is the half life at 360k?
A gas of twice the molecular weight as CO2 will pass through a small hole how much faster than CO2
A 110.0 mL sample of a solution that is 3.0×10^?3 M in AgNO3 is mixed with a 220.0 mL sample of a solution that is 0.13 M in NaCN. After the solution reaches equilibrium, what concentration of Ag+(aq) remains
How much energy is required to vaporize 125g of butane at its boiling point? The heat of vaporization for butane is 23.1kJ/mol.
A second-order reaction that destroys compound A via the reaction A to B is occurring in a batch reactor. It is 40% complete after 30 minutes. Determine the rate constant, and the time required to achieve 95% completion?
4HCl MnO2=MnCl2 2H2O Cl2. When .375 moles of HCl reacts with excess MnO2, a.) How many moles of Cl2 form? b.)How many grams of Cl2 form?
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