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Titanium reacts with hydrogen peroxide in 1.00 M sulfuric acid to form a colored complex. If a 2.00x10^-5 M solution absorbs 31.5% of the radiation at 415 nm, what would be: the absorbable, the transmittance, and the percent absorption for a 6.00x10^-5 M solution?
A 6.26 g sample of a solid containing Ni is dissolved in 20.0mL water. A 5.00mL aliquot of this solution is diluted to 100.0mL as well as analyzed in the lab. The solution was determined to contain 5.16ppm Ni.
When the equation below is properly balanced, the correct sequence of coefficients is? NaCl(s) + SO2(g) + H2O(l) + O2(g) NaSO4(s) + HCl(g)
The boiling point of a certain pure liquid is 53.0 C and the enthalpy of vaporization is 32.7 kJ/mol at this temperature. The entropy of vaporization for this liquid is: in J/K mol
Consider a gas with pressure = 1 atm, 1 mole of molecules, and a temperature of 295 K. R=0.082 atm*L/(mol * K). How much volume should this gas occupy
At 25 degree Celsius, Ksp for PbI2 is 9.8x10-9. Explain what is the molar solubility of PbI2 in water at 25 degree Celsius
How much heat in Kilojoules must be removed from a glass of water that contains 100G if water to lower its temperature from 30C to 15C.
An equilibrium mixture contains .870 mol I2, and .290 mol H2 in a 1.00 L flask. I found the equilibruim constant to be .172 which is correct.
how many milimeters of 0.755 M H2SO4 solution is needed to react with 55.0 mL of 2.50 M KOH solution? Given 2KOH (aq) + H2SO4 (aq) ------ 2H2O (I) + K2SO4
Calculate the quantity of energy produced per mole of -235 (atomic mass = 235.043922 ) for the neutron-induced fission of -235 to produce -137 (atomic mass = 136.9253 ) and -97 (atomic mass = 96.910950 ). E= J/mol U235
How much heat is released when 75 g of octane is burned completely if the enthalpy of combustion is -5500 kJ/mol C8H18? C8H18 + 25/2 O2 --> 8CO2 + 9H2O
In a titration experiment 26.1 mL of 0.807 M HCOOH neutralizes 22.7 mL of Ba(OH)2. What is the concentration of the Ba(Oh)2 solution
A solution is prepared by adding 0.900 g of solid \rm NaCl to 50.0 mL of 0.100 M \rm {CaCl_2}. What is the molarity of chloride ion in the final solution. Assume that the volume of the final solution is 50.0 mL.
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