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A vessel originally contained 0.240 mol iodine monobromide (IBr), 0.0016 mol I2, and 0.0014 mol Br2.I2(g) + Br2(g) 2 IBr(g)
The equilibrium constant Kc for this reaction is 1.2 102 at 150°C. What is the direction (forward or reverse) needed to attain equilibrium at 150°C?
What will be the equilibrium concentration of HI and Cl2 in the container? The answer is: [HI] = 1.47x10^-12 M [Cl2] = 7.37x10^-13 M
how much energy in kilojoules is required to convert 245 ml of diethyl ether at its boiling point from liquid to vapor
present brief descriptions of three methods that can be utilized to decrease noise from post data acquisition by an
Use the tabulated half-cell potentials below to calculate the equilibrium constant (K) for the following balanced redox reaction at 25°C.
During a typical breathing cycle the CO2 concentration in the expired air rises to a peak of 4.6% by volume.
Adrenaline is the hormone that triggers release of extra glucose molecules in times of emergency or stress. A solution of .64g of adrenaline in 36g of CCl4 causes an elevation of .49 degrees C in the boiling point. What is the molar mass of the ad..
In an electron microscope the electrons generate the image. For one of the scanning electron microscopes in our Central Analytical Facility, the electrons are accelerated to have a kinetic energy of 200,000 eV
A 750-mL sample of nitrogen was collected by displacement of water from a container at 30°C and an atmospheric pressure of 742 Torr. If the vapor pressure of water at 30°C is 31.8 Torr, calculate the number of moles of nitrogen gas produced.
Why do some scientists have concerns have regarding further increases in bio fuel production. giving chemical reasons explain why is is expensive to manufacture ethanol from cellulose.
consider the three flasks in the diagram below. assume the temperature is held constant. when the stopcocks are closed
How many moles of solute are present in each of the following solutions. (a) 145mL of 0.25M NaHCO3 (b) 631.0mL of 2.25M H2SO4
List all the ionic species present (before any solution occurs) when the following solutions are mixed together: Ni(NOsub3)sub2(aq) and CaClsub2(aq)
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