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The heterogeneous reaction 2HCl (g) + I2 (s) -->(equilibrium)<--- 2HI(g) +Cl2(g) has Kc=1.6x10^-34 at 25 degrees C. Suppose 0.100 mol of HCl and solid I2 are placed in a 1.00L container. 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
While shutdown, the core accidentally went critical and the reactor pressure vessel rose in temperature and was hot for two hours, but all instrumentation has failed and no one is sure what the temperature was.
In a 1.00 L flask, 3.40 atm of CO reacts with 2.60 atm of O2. Assuming that the temperature remains constant, what is the final pressure in the flask.
We place 1.32 mol PCl5 in a 1.0 L flask and allow it to reach equilibrium at a given temperature. What is the final concentration of Cl2 in the flask?
Calculate w (in kJ) when 390 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 426 K.
You have measured the absorbance for a vitamin sample to be 1.2 at a wavelength of 264. Can you use this reading to determine the INITIAL CONCENTRATION of your vitamin sample?
What is the Ka of HCOOH? What is the base on the left side of the equilibrium? What is the conjugate base on the right side of the equilibrium?
When C2H5OH +3O2 produces 2CO2 + 3H2O,determine how many grams of oxygen gas are essential for complete combustion of 421grams of ethanol ?
A flask contains 0.180 mol of liquid bromine, Br_2. Determine the number of bromine molecules present in the flask.
The experiment all you observed rate law is rate =k [NO]^2 [Br2]. Show this mechanism is valid by deriving the rate law expression and showing that it is equal to the experimentally observed rate law
The reaction of calcium hydride with water can be used to prepare small quantities of hydrogen gas, as is done to fill weather observation balloons.
If 358 mL of H2SO4 is neutralized with 60.0 mL of 1.50 M NaOH, what is the initial concentration of the acid?
A 1.0 M Na2SO4 solution is slowly added to 10 mL of a solution that is .20 M in Ca^2+ and .30 M in Ag^+. Which compound will precipitate first: CaSO4 Ksp= 2.4 *10^-5 ,Ksp for Ag2SO4 is 1.5*10^-5. How much Na2SO4 solution must be added to initiate ..
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