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The Henry's law constant for CO2 in Water is 12.8 Mpa at standard conditions. For standard atmospheric conditions, what is the mole fraction of CO2 dissolved in a container of water open to the atmosphere.
why are the formal charges zero? i thought what you did was take the number of valence electrons then subtract the
n Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 40.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe.
Sodium bicarbonate and sodium carbonate dissolved in water use to make buffer solution. The Ka value of carbonic acid is 4.37 x 10^-7 and sodium carbonate is 4.68 x 10^-11.
The liquid is allowed to stand in contact with the solid until equilibrium is achieved and then the liquid is poured off. What is the mass of solid remaining?
1. What is the sum of the coefficients when the following is balanced 2. Cryolite is a compound needed for the Hall-Heroult process for aluminum. Cryolite is produced by the following reaction
A 285- flask contains pure helium at a pressure of 750 . A second flask with a volume of 470 contains pure argon at a pressure of 716 .If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of h..
The combustion of pentane with oxygen is a well known process. Write a balanced equation for the reaction of pentane, C5H12, with oxygen, O2, forming the products carbon dioxide, CO2, and water, H2O. What mass of carbon dioxide will be produced by..
Calculate the freezing point of 0.15 m calcium chloride aqueous solution. Assume that the molal freezing point depression constant of water is 1.86°C•kg/mol and that the freezing point of water is 0.00°C.
Calculate the average speed of an oxygen gas molecule, O2, at 19.0 degrees Celsius.
Calculate the pH of 1.00 L of the buffer 1.01M CH3COONa/1.01M Ch3COOH before and after the addition of the following species. (Assume there is no change in volume). (a) pH of starting buffer:
If a 220mg piece of gold (density =19.32 ) is hammered into a sheet measuring 2.11.0 , what is the average thickness of the sheet in meters.
an iron nail weighing 5.10 g is allowed to react with oxygen according to the reaction below.4fe 3o2 rarr 2fe2o3a
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