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An equilibrium mixture contains 0.810 mol HI, 0.170 mol I2, and 0.200 mol H2 in a 1.00-L flask. What is the equilibrium constant for the following reaction?
2HI(g) H2(g) + I2(g)
How many moles of I2 must be removed in order to double the number of moles of H2 at equilibrium?
calculate the final molarity of the solution that results when 125 ml of .200 M HCL is diluted to 1.00L
An unknown gas effuses through a porous barrier at a rate that is 0.752 times the rate of Ar (g) under the same conditions
What is the composition of this mixture on a mole percent basis? Show all calculations and report answer to correct number of significant figures
A solution of malonic acid, H2C3H2O4 was standardized by titration w.1000M NaOH solution. If 20.76 mL of the NaOH solution were required to neutralize completely 13.15 mL of the malonic acid solution
Put the following substances in correct order of increasing boiling point: Ar, F2, H3COH, Ir, SO2.
A certain reaction with an activation energy of 195 K was run at 535K and again at 555 K What is the ratio of f at the higher temperature to f at the lower temperature
A 2.5 L helium balloon is filled at a florist's shop. If the temperature inside the shop is 68°F, what volume will the helium occupy after being left in an automobile at 5°F in the parking lot for the day
What is the pressure of a 10g sample of sulfur trioxide in atmospheres at a temperature of 20 degrees Celsius that has a volume of 50L
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCl, by mass. Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water to make 500.0 mL of a pH = 9.80..
if all the ice cream calories were to be butned off how long would it take him? i got 45 minutes?
A chemist dissolves 0.9 g of an unknown monoprotic (one acidic H) acid in water. She finds that 14.6 mL of 0.426 M NaOH are required to neutralize the acid.
For organic chemistry, what is a concerted shift? how do things like acids or heat affect them? what other factors effect them?
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