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At a particular temperature the equilibrium constant for the reaction: H2(g) + F2(g) ? 2HF(g) is K = 36.0. A reaction mixture in a 10.00-L flask contains 0.42 moles each of hydrogen and fluorine gases plus 0.15 moles of HF. What will be the concentration of H2 when this mixture reaches equilibrium?
in the reaction a rarr products a is found to be 0.490 m at t72.0 s and 0.474 m at t82.6 s.what is the average rate of
The critical constants of ethane are Pc = 48.20 atm, Vc = 148 (cm^3)/mol, and Tc = 305.4 K. Calculate the van der Waals parameters of the gas, and estimate the radius of the molecules.
Squalene is an important acyclic hydrocarbon whose molecular formula is C30H50. How many pi-bonds does squalene have. explain and show calculation
A 309 mL sample of unknown HCl solution reacts completely with Na_2CO_3 to form 10.1 g CO_2. What was the concentration of the HCl solution?
Calculate the new vapor pressure of water at the same temperature when 740 torr of dry air is added to the container in which the liquid water is held. What is the percent change?
Butane lighters work very poorly outdoors in the cold weather. If 12.7 mL of butane gas is released from a lighter at 22 degrees celcius, what volume would the same amount of butane occupy at 11 degrees celcius?
The boyle temperature is the temperature at which the coefficient b is zero. Therefore, a real gas behaves like an ideal gas at this temperature. (a) Give a physical interpretation of this behavior.
Suppose that you titrate 50.00 mL of a 0.0200 M Fe3+ solution (buffered at pH = 4.00) with 0.100 M EDTA. For all questions below, I am looking for a nonzero numbers.
a 50.0 g sample of nh42co3 is placed in a closed evacuated flask of 3.00 l and heated to 400 degrees celsius. it
A 787 mL gas sample at STP is compressed to a volume of 226 mL, and the temperature is increased to 29?C. What is the new pressure of the gas in Pa.
A 0.5220g sample of an unknown monoprotic acid was titrated with 9.96*10^-2 M NaOH. The equivalence point of the titration occurs at 23.84mL.
the pH of a saturated solution of a metal hydroxide MOH is 10.85 calculate the Ksp for the compound
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