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three containers of equal volume are filled with Xenon, Carbon Dioxide and air ( 78% N2, 21% O2, 1%Ar). (all containers are at the same P and T). Which container has the most "gas particles"? which has the least? (in the context a gases, we often use "molecules" to mean generic gas particles that is, it includes single atoms for noble gases). which has the most mass? which has the least? which has the most number of atoms? which has the least ? which has highest density? which has the least? Do the most atoms always correspond to most mass?
Assume that no heat is lost to the surroundings or to the coffee cup itself. Assume that the mass of the solution is equal to the mass of the water.
Assuming that DHo and DSo hardly change with temperature, determine the temperature in K at which the spontaneity of this reaction changes.
Given the values of Ka and Kb below, which of the systems given would be most suitable to use to construct a buffer of pH 9 and WHY
water's heat of fusion is 80 cal/g and is specific heat is 1.0 cal/g degree celcius. Some velmobile set have been designed to hold ice packs inside their cushions.
What volume of concentrated HCl is necessary to completely neutralize the 10 mL of 1.5 M NaOH used
The rate of disappearance of HBr in the gas phase reaction is 0.103 Ms-1 at 150 deg Celsius. what is the rate of reaction.
A gas sample has a voulume of 4250 ml at 15 degree celcius and 745mmHg. What is the new container with a voulume of 2.50 L and a pressure of 1.20 atm
what mass of ammonium chloride can be added to 100 grams of water at 20 degrees celcius before the solution becomes saturated?
A carbonated beverage is made by saturating water with carbon dioxide at 0 C and a pressure of 3.0 atm. The bottle is then opened at room temperature (25 C), and comes to equilibrium with air in the room containing carbon dioxide CO2(PCO2=3.4x10?4..
Sulfuric Acid is the most commonly produced industrial chemical in the world. It is shipped in a concentrated form to save volume and weight.
Suppose you have 0.001 M solution of a dye with pka of 7.2. from the color, concentration of protonated form is found to be 0.0002 M. Assume remainder of the dye is in the deprotonated form. What is the pH of the solution?
When 4-hydroxybutanal is treated with methanol in the presence of an acid catalyst, 2-methoxytetrahyrofuran is formed. Show the mechanism for this reaction.
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