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The equilibrium constant for the reaction of fluorine gas with bromine gas at 300 K is 54.7 and the reaction is: Br2(g) + F2(g) ? 2 BrF(g) What is the equilibrium concentration of fluorine if the initial concentrations of bromine and fluorine were 0.113 moles/liter in a sealed container and no product was present initially?
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 74% of the Mg2+ be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9* 10-12.]
What is the magnitude of the net gravitational force on the mass at the origin due to the other two masses Take the gravitational constant to be = 6.67×10?11 .
If a 1000 kilogram sample of rock is 0.021% gold by mass, how much zinc is needed to react with the gold extracted from the rock? Assume that the reaction is 100% efficient.
Why do ldehydes and ketones have lower boiling points than alcohols with similar molar mass?? Why are they higher than alkanes
Consider 1 mole each of gaseous He and N2 at the same temperature and pressure. The diameter of N2 is 1.7 times that of He. State which gas (if any) has the greater value for: a) ; b) crms; c) average translational energy ; d) Z1; e) Z11; f) de..
Assume that the total solution volume remains constant and Ksp AgCl = 1.77 x 10-10 and Ksp AgBr = 5.4 x 10-13. Our teacher never gave us a problem that had two Ksp, kinda threw me off.
Phenolphthalein is one of the most common indicators. What are its colors in acidic and in basic solutions?
Write and balance the equation for the complete combustion of heptane, C7H16. You do not need to include any phase symbols or energy
At a given temperture, of the following reaction has a Keq equal to 25. If 0.100 mol of both SO3 and NO were placed into a 1.00 L container, what would be concentration of SO3 at equilibrium?
Compute the final pressure in the tank if nothing else is altered in the surroundings. (The two gases do not react)
Calculate the concentration of Iron(II) ions in a solution that contains 0.10M Fe(NO3)2 and 1.00M NaCN.
A 120 pound woman working in an office consumes about 2200 kcal/day, whereas the same woman climbing a mountain needs 3400 kcal/day.
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