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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.
How much energy is released when 32.4 g of water freezes? The heat of fusion for water is 6.02 kJ/mol
If 24g Mg is used and the percentage yield is 95%, how many grams of magnesium hydroxide should be recovered?
How many grams of dry need to be added to 2.50 of a 0.700 solution of ammonia, , to prepare a buffer solution that has a of 8.65. for ammonia is.
If 32mL of 7.0M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?
The mixture is 20% benzene by volume. A densitometer gives the density of the mixed stream to be 1.1 g/mL. What are the mass fractions of all three species?
determine the amount of heat energy needed to convert 255g of substance x from 40 degrees to 300 degrees
When 2.11 g of a nonelectrolyte solute is dissolved in 365 mL of water at 25 °C, the resulting solution exerts an osmotic pressure of 845 torr
At a certain concentration of reactants the rate of appearance of water in the following reaction is 0.51 M/s.
How much heat would be released if 12.0 g of methane, CH4, was completely burned in oxygen to form carbon dioxide and water at standard state conditions
(a)What is the coordination geometry about the vanadium ion incrystals of the alum? Write balanced equations for each reduction step
The solubility of which one of the following compounds will increase if the pH of a saturated solution of the compound is lowered
A toothpaste contains 0.24% by mass of sodium fluoride used to prevent caries (cavities) and 0.30% by mass of triclosan (C12H7Cl3O2). A PRESERVATIVE + ANTIGINVITIS AGENT.
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