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1.) Gaseous HI decomposes to hydrogen and iodine 2HI(g) = H2(g) + I2(g) A 2.00 mol sample of HI is placed in a 4.00 L container and heated to a fixed high temperature. When Equilibrium is reached 45 % of HI has decomposed. What is the value of Kc.
2.) The rate constant of a first order reaction is 4.45 x 10^-2 s-1 at 35 degrees C. What is the rate constant at 77 degrees C if the activation energy for the reaction is 60.2 kJ/mol?
At what temperature in Celsius would the rate be 5.000 times faster than it is at 36.6 degrees Celsius for a reaction with an activation energy of 16,243 J/mol?
compunds made up from ions from S2- and sc3+ has amelting temperture of 1776 C what type of bonding is there?
As of the writing of this text, EPA standards limit atmospheric ozone levels in urban environments to 84ppb. How many moles of ozone would there be in the air above Los Angeles County.
Iron metal is coated wih nickel. Which of metals will undergo corrosion when coating is damaged? Give the scheme of electrochemical corrosion and write equations for the reactions
a solution of malonic acid h2c3h2o4 was standardized by titration w.1000m naoh solution. if 20.76 ml of the naoh
how many moles of C3H8 need to react to release 5280 kJ of energy?
Solid calcium oxide mixes with carbon dioxide gas. Diphosphorus pentoxide is added to water. Hydrogen sulfide gas is bubbled through a solution of silver nitrate.
millimoles of H+ in oxalic acid given the weight of oxalic acid (H2C2O4.2H2O) to be 0.2354
And, of course, ammonia is a base so there will be some NH4+ in solution also. Assume that the concentration of unprotonated NH3 is 0.040 M. What fraction of the cadmium ions are in the form of Cd2+
provide the chemical reaction of an oxidation-reduction reaction that was observed to be spontaneous. provide a value
determining the operating conditions of the chiller.air at 1 atm and 80 degc is fed to a chiller. the air contains
Calculate and compare the rms speeds of CO and Cl2 at 300. K. rms speed of CO m/s rms speed of Cl2 m/s
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