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Three gases (8.00 of methane, , 18.0 of ethane, , and an unknown amount of propane, ) were added to the same 10.0- container. At 23.0 , the total pressure in the container is 4.20 . Calculate the partial pressure of each gas in the container. Express the pressure values numerically in atmospheres, separated by commas. Enter the partial pressure of methane first, then ethane, then propane.
A and B are two species which react in the presence of an acid catalyst. Would you expect the catalyst to appear in the rate law
How do you who that both ZnS and CuS will precipitate at pH8. 2) Show that only CuS will precipitate when (H3O+) = 0.3M
A titration experiment is set up to use .235M bleach (NaOCl) to analyze CrO2^-. If 50mL of the CrO2^-(aq) solution required 28.62mL of bleach to react to completion, what would you calculate as the molarity of the CrO2- solution
Ksp for PbCrO4 at 25oC is 2.0 x 10-14. A sample of 1.000 mg of PbCrO4 is added to 1.0 L of water at this temperature.
In a typical experiment, 0.631 g of COCl2 is injected into a flask of volume 472 cc. When equilibrium is established, it is found that the total pressure is 2.175 atm. Calculate K for the reaction.
If you start with 15.0 of a 0.900 solution of , and then dilute it with water to 270 , what is the concentration of at equilibrium?
Which of the following compounds is soluble in water ? A) BaSO4
A 12.0 gas cylinder has been filled with 5.40 moles of gas. You measure the pressure to be 5.00 atm. What is the temperature inside the tank? Express your answer numerically in degrees Celsius.
calculate the pH of the solution that results when 40.0 mL of 0.100 M NH3 is mixed with 20.0 mL of 0.100 M HCl solution.
Assume that methane is an ideal gas, the specific heat capacity of water to be constant and equal to 4.184 J/g/K over this temperature range, and the density of water to be 1.0 g/cm3. The combustion of methane is given byCH4 + 2 O2 ? CO2 + 2 H2O ?..
There are 86,472 houses in the county and the county occupies a space totaling 475 square miles. How many square miles of housing are present in Chem county?
Assuming the multiple internal reflections depicted below, what is the effective path length (um) for measurements in which the sample completely covers the crystal's upper face?
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