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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 4.40 . Calculate the partial pressure of each gas in the container.
Each 5 mL of Extra Strength Maalox Plus Mg(OH)2 contains 450 mg og magnesium hydroxide and 500 mg of aluminium hydroxide. How many moles of hydronium ion are neutralized by one teaspoon of Extra Strength Maalox Plus
In terms of uncertainty, why is an endpoint volume of 9 mL less preferred than an endpoint volume of 35 mL? In terms of uncertainty, why is an endpoint volume of 55 mL less preferred than a volume of 35 mL?
a 2.55-g sample of a mixture of fecl2 znd feno32 is treated with excess agno3aq. the recipitate is filtered off dried
What are the pH and alkalinity of these three solutions immediately after you make them
Write balanced total and net ionic equations for its reaction with aqueous NaOH. (Type your answer using the format (NH4)2CO3 for (NH4)2CO3, [NH4]+ for NH4+, and [Ni(CN)4]2- for Ni(CN)42-. Use the lowest possible coefficients. Type the cation befo..
Using the van der Waals equation, calculate the pressure of 59.5 g of NH3 in a 5.20 L container at 47°C. The van der Waals constants for NH3 are: a = 4.17 L2xatm/mol2, b = 0.0371 L/mol.
A sample of helium has a volume of 3 liters when the pressure is 500 torr. What volume does the gas occupy at 300 torr?
The process is mechanically irreversible, requiring 20% more work than the mechanically reversible compression and the sorroundings consist of a heat reservoir at 27 degrees C?
a steel cylinder holds 150.0 mol argon gas at 25 degrees c and a pressure of 9.53mpa. after some argon has been used
What would be the value of the change in concentration of C10H12/change in time during the same period of time? Explain why a catalyst for a forward reaction must also be a catalyst for the reverse reaction. Include an energy level diagram
how many grams of ammonium sulfate can be dissolved in 0.0200 cacl2 without the formation of a solid?
The Kf for Cu(en)2^2+ is 1 x 10^20. What is the concentration of Cu^2+ (aq) in the solution?
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