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Given: 1 Liter H2O with a pH of 7. How much HCl (M.W. of 36.5g/mole) needs to be added to lower the pH of the water to 3?
What is the dissociation constant, Kd, of a ligand with a percent occupancy (or fractional saturation) of 20% when
a toothpaste contains 0.24 by mass sodium fluoride naf and 0.30 by mass of triclosan c12h7cl3o2. the mass of one tube
if it takes 6.02 kJ of heat energy to melt a mole of ice, how much heat is absorbed when 6.30 g of water melts?
solid carbon dioxide sublimes at a rate of 0.726 g/minute. How many gaseous carbon dioxide molecules are present after 5.00 minutes
The specific heat of liquid water is 4.184 J/g x C. Calculate the energy required to heat 10.0 g of water from 26.5 C to 83.7 C.
in the course of research a chemist isolates a new compound with an empirical formula c3h3o2. 2.51 g of the compound
Calculate the % atom economy for the following two methods for converting benzene, C6H6, to aniline, C6H5NH2.
the air feels cool because heat is required to evaporate the water from our skin. How much heat is required to evaporate 20.6 g of water? The enthalpy of vaporization of water is 44.0 kJ/mol.
A student evaporated 100.0 mL of a saturated TlCl solution and found the solid TlCl she recovered weighed
Consider the reaction 2NO2(g)--> N2O4(g). Go = -5.40 kJ at 298K. (b) Calculate delta G at 298K if partialpressures of NO2 and N2O4 are 0.36 atm and 1.60 atm
A solution is colorless in phenolphthalein and blue in bromcresol green. Therefore we can conclude that the pH of the solution
Assuming that the following structures exist, what is the bond hybridization of IF6- and IF4-? Would they be stable?
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