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62 mL of 1.7M solution is diluted to a volume of 208mL. A 104mL portion of that solution is diluted using 141mL of water. Whatis the final concentration?
What is the activity coefficient of H in a solution containing 0.025 M HCl and 0.025 M Ca(ClO4)2?
If 5.0 g of H2 are reacted with excess CO, how many grams of CH3OH are produced, based on a yield of 86%? CO(g) + 2H2(g) -> CH3OH(l)
Explain the effect of pH on the aqueous solubility of dissolved organic matter (use the 13C NMR spectra on the International Humic Substances Society as your primary reference). Speculate on how DOM fractionation would change crossing a riverine (..
the rate constant for the second order -reaction is 2NOBr(g)------>2NO(g)+Br2(g) is 48 L/mol*min at a certian temperture. How long will it take for 90.0% of a .0200M solution of NOBr to decompose.
An object has a mass of 5.95g. Assuming the density of water is 1 g/mL, what is the volume of the object including air?
Show whether or not precipitate will form in this process when the Ksp of Pbl = 9.8*10 -9
How many degrees of unsaturation are there in a molecule with the molecular formula C10H14O
Show the orbital-filling diagram for (nitrogen). Stack the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
A buffer is made by dissolving 0.037 mol of potassium fluoride in 135 mL of 0.0237M hydrofluoric acid. Assume no volume change when the salt is dissolved. Calculate ph of the buffer.
If a non-cyclic alkane shows a molecular ion peak at m/z 464, what is the chemical formula
If 2 atoms of silver metal react with 1 molecule of fluorine gas at constant pressure, 2 formula units of solid sodium fluoride are produced and 409.2 kJ of heat is released.
Draw the structure of the major small-base dehydrohalogenation product of 2-bromo-3-methylbutane
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