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A 1.000 mole of H2 and 2.000 mole of I2 at 488 degree Celsius. The value for the equilibrium constant Kc for the reaction H2(g) + I2(g) <-----> 2HI At 448 degree Celsius is 50.5. What are the equilibrium concentrations of H2,I2, and HI. (B) to what extent does the reaction proceed? Explain. (C) what is the Kc for the production of one mole HI?
a sample of HCI is placed in a 256ml flask where it exerts a force of 67.5 mmHg. What is the pressure of the gas if it is transfered to a 135mL flask?
A blank titration of 10mL of similar solution containing no oxalic acid required 0.04mL to exhibit dectectable color. Find the concentration of oxalic acid in the unknown
A sample containing 2.40 moles neon gas has a volume of 8.00 L. Assume that the pressure and the temperature remain constant.What is the new volume of gas in liters when a leak allows one-half of the neon atoms to escape?
A student was using the concentrations of pipet calibration data listed in the Background Information for the determination of ka or propionic acid. Explain the problem the student encountered when preparing the following equilibrium mixture.
How many moles of O2 are needed to consume 0.52 mol of Mg in the following unbalanced reaction? Mg plus O2 -> MgO
In one experiment, the mass of water is 93.0 grams, the initial temperature of the water is 67.2oC, the mass of liquid nitrogen added to the water is 57.8 grams, and the final temperature of the water, after the liquid nitrogen has vaporized, is 3..
When 14C labeled 4-hydroxyproline was administer to rats, the 4-Hydroxyproline in newly synthesized collage was not radiolabeled
Describe in detail the manufacture of silicon crystals. Describe the process
C5H12O, a gasoline additive used to boost octane ratings, has a standard heat of formation of -313.6kJ/mol. write a balanced equation for its combustion reaction, and calculate its standard heat of combustion in Kilojoules
One liter of a buffer solution is prepared by dissolving 0.150 mol of NaNO2 and 0.070 mol of HCl in water. What is the pH of this solution? If the solution is diluted two fold with water, what is the pH?
Calculate the number of bromine molecules present in the flask if A flask contains 0.350mol of bromine, Br2 in liquid form .
How many moles of NaNO2 will be contained in the 1 liteer, 1.34 solution after it is made? b. What volume of concentrated 5.48 M NaNO2 solution will contain this number of moles?
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