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A certain second order reaction required 60.2 seconds for the concentration to drop from 0.50 M to 0.36 M. How long will it take (in seconds) for the sample to go through three half-lives (starting from 0.50 M)?
If a reference solution is made acidic instead of basic, how would this change the composition of a precipitate and test for precipitating CO32-
Write a hypothetical inner-sphere redox mechanism for the reaction of [Cr(H2O)6]2+ with cis-[Co(NH2CH2CH2NH2)2I2]+ (aq) in acid solution to give (ultimately) cis-[Cr(H2O)4I2]+, Co2+(aq), and [NH3CH2CH2NH3]2+."
If 25.0 mL of NO2 gas is completely converted to N2O4 gas under the same conditions, what volume will the N2O4 occupy?
If [a = 2.84 (+/-) 0.02], [b = 5.02 (+/-) 0.04], [c = 21.71 (+/-) 0.06], and [d = 9.49 (+/-) 0.04], calculate the absolute uncertainty in y if y = (a+b)/(c-d).
Express the concentration of a 0.0460 M aqueous solution of fluoride, F-, in mass percentage and in parts per million. Assume the density of the solution is 1.00g/mL.
what is the molarity of a solution of silver perchlorate agclo4 if 3.2 moles of silver perchlorate is dissolved in 1.5
What pressure difference must be generated along a vertical singe stage water pump tube to extract water from a well of 5m deep
What is the density of the air in the hot-air balloon and is it less dense or more dense with the density of air at STP
What volume will 500 mL of gas at 20°C and a pressure of 420 mm Hg occupy if the temperature is reduced to -80°C and the pressure is increased to 650 mm Hg?
How many ml of a 0.050 M kMno4 solution are required to oxidize 2.00 g of feso4 in a dilute solution
Calculate the pH after adding 0, 10.0, 25.0 and 30.0 mL of titrant in the titration of 50.0 mL of 0.100M NaOH with HCl 0.200 M.
Consider a solar with no dye where TiO2 is insted the light-absorbing species. the energy required to exite an electron in TiO2 is 3.21 eV. A. A) calculates the minimum wavelength of light required to excite an electron in TiO2.
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