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Consider the following equilibrium for which H = -72.46: H2(g) + Br2(g) ? 2 HBr(g) How will each of the following changes affect an equilibrium mixture of the 3 gases in this reaction? The reaction mixture is cooled. A) The equilibrium will shift towards product and Keq will increase. B)The equilibrium will shift towards reactant and Keq will decrease.
The lid is tightly sealed on a rigid flask containing 3.50 L H2 at 17 °C and 0.913 atm. If the flask is heated to 71 °C, what is the pressure in the flask?
If the initial surface coverage is 8.9*10^16 molecules/cm^2, how long will it take for one-half of the film to evaporate? b. What fraction of the film is left after 10 s? Assume the same initial coverage as in part a.
The solubility of CO2 in water at 25 degrees celsius and 1 atm is 0.034 mol/L. What is its solubility at a partial pressure in air of 0.00017 atm? Assume that CO2 obeys Henry's Law. Enter your answer in scientific notation.
A sample of gas has a mass of 38.7mg . Its volume is 224mL at a temperature of 57 degrees Celsius and a pressure of 868torr . Find the molar mass of the gas.
calculate the value for E for the cell at 25oC (b) A current is drawn from the cell until 1.20 g of silver have been deposited at the silver electrode. Calculate the value of E for the cell at that stage of operation.
Draw a doagram to show the changes in potential energy that occur from the rotation around the C1-C2 bond of 1-bromopropane
Determine if the concentration of formaldehyde and methanol as measured in water will convert to its relative organic acids? If there is a measured concentration of formaldehyde and methanol in a 1000L solution of water at temperature = 180 degrees..
What is the complete ionic equation for the reaction of K with H2O. Identify the reducing and oxidizing agents and the oxidation
A 1.000L solution is prepared in which Au+,Ag+,and Cu+ ions are present in solution as nitrates all at a concentration of .001M a solution of sodium chloride is slowly added. which compound will begin to precipitate first the ksp
An empty aerosol can at 25 degree celcius still contains gas at 1.00 atmosphere pressure. If an empty can is thrown into a 488.2 degree celcius fire, what is is the final pressur in the heated can.
Calculate the boiling point of this water-ethylene glycol mixture. (The density of ethylene glycol is 1.11 g/mL.)
The neutrons from one treatment source have an average velocity of 3.4 x 10^7 m/s. If the velocities of the individual neutrons are known to within 2% of this value, what is the uncertainty in this position of one of them
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