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The value of Kc for the reaction below is 0.016. Under a set of equilibrium conditions, [HI] = 0.10 M and [H2] = [I2]. Calculate the concentration of I2 (M). 2HI(g) H2(g) + I2(g)
An unknown gas having a mass of 2.041 g occupies a volume of 1.15 liters at 0.974 atm and 20 degrees Celcius. Calculate the molar mass of the unknown gas.
the property of mercury that allows it to form an amalgam with gold has been used in thee mining industry for hundred of years. during the boom in california in the 19th century, it is estimated that 3.0X10^6 pounds of gold were produced using thi..
Consider another expandable balloon is filled with nitrogen gas. The density of the gas is 1.24 g/L and the outside pressure is 1.05 atm. What is the temperature of the gas?
The valence shell electron pair repulsion (VSEPR) theory states that molecules assume a shape that minimizes the repulsion between electron pairs and bonded atoms in the valence shell of the central atom.
A student added 0.40 mL of acetic anhydride instead of 4.0 mL. Did this procedural error affect the theoretical yield of her preparation? Briefly explain.
When 3.50 g of is added to 100.00 g of water in a container open to the atmosphere, the reaction shown below occurs and the temperature of the resulting solution rises from 22.00°C to 47.40°C.
1.00 mol Zn reacts with excess hydrochloric acid, 1.00 mol H2 gas is produced. At 25ºC and 1.00 atm= 101,325 Pa, this amount of H2 occupies 24.5 L (= 24.5 x10-3 m3). How much work is done by the chemical system.
what is the ph of a 0.15m solution of hcooh formic acid if the ka of formic acid hcooh is 1.8x10-4 at 25 degrees
In a titration, 10.0 mL of 0.025 M hydrochloric acid is added to 30.0 mL of 0.030 M ammonia. What is the pH of the resulting mixture?
Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.50 M B(aq) with 0.50 M HCl(aq).
Calculate the equilibrium constant kc for a reaction occuring at a temp 0f -19 degree C and when delta G of 1.6 KJ/mol(use R =8.314 J/mol and 273 for kelvin conversion)
Name and draw the product formed with HNO3 and Alpha-D-gluccopyranose. Draw and indicate the glycosylic bond D-glucopyranose, and D-glucopyronose and D-fructofuranose
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