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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?
Assume that air pressure is 1.00 atm and the air temperature is 17.3 C. If the abolute zero apparatus is open to the air, how many moles of air will it hold?
What mass of carbon dioxide is produced from the complete combustion of 5.20×10-3g of methane?
How much potassium nitrate has to dissolve in water to absorb 114 kJ of heat?
the rate constant (k) at 25 C is 0.235 M^-1 S^-1. At 50 C the rate constant is 1.12 M^-1 S^-1. What is the frequency factor, A for this reaction in units of M^-1S^-1
what is the chemical formula for this salt? B- a brown colored salt contains a cation from group 3, it has no reaction with concentrated H2SO4 and produces a soluble product with acidic AgNO3 and acidic BaCl2, this salt is not water soluble. What ..
Deal gases can be defined in terms of microscopic assumptions, assumptions about the values of macroscopic measurements or an equation of state
when 7.50g of magnesium reacts with 9.50g hydrochloric acid, hydrogen gas is formed. what is the limiting reagent?
The atmospheric pressure in New York City on a certain day was 768 mm Hg. What was the pressure in kPa
butane has a heat of vaporization of 22.44 kJ/mol and a normal boiling point of -.4 degrees Celsius. A 250 mL sealed flask contains .75 g of butane at -22 degrees C.
List the following gas phase ion pairs in order of the quantity of energy released when they form from separated gas-phase ions. Start with the pair that releases the least energy.
calculate the H3O+ concentration in an aqueous solution at 25*C with an OH- concentration of 3.00 x 10^-2M
how many milliliters of .1229 M NaOH are needed to completely neutralize 50.00mL of .1012M H2SO4 solution
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