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A 10-L vessel containing 8.00 grams of O2 is connected by means of a valve to a 5-L vessel containing 7.00 grams of N2. Explain when the valve was opened and the gases are allowed to mix, explain what will be the total pressure of the gas mixture at 25C presuming the temperature was kept constant?
A neon sign is made of glass tubing who's inside diameter is is 2.5cm and whose length is 5.5m. If the sign contains neon at a pressure of 1.78 torr at 35 degrees Celcius, how many grams of neon are in the sign
Calculate the osmotic pressure (in torr) of 6.00 L of an aqueous 0.896 M solution at 30.0 deg C, if the solute concerned is totally ionized into three ions (e.g., it could be Na2SO4 or MgCl2)
How much heat is produced in burning 9 mol of ethylene (C2H4) under standard conditions if reactants and products are brought to 298K and H2O (l) is formed
what conclusions can be reached about the relative strengths of Ni2+(aq) and/vs Cu2+(aq) as oxidizers? Also include the net ionic equations.
Explain Gibbs-Duhem Equation, In a certain binary solution, the activity of component 1 is given by
Name those that have a trisubstituted ring where the methyl gorups are oriented Ortho for 3 different isomers.
Draw a flow sheet to show how you would separate the componenets of a mixture containing an acid substance,toluic acid, a basic substance, p-bromo-aniline and anthracene, a nuteral substance.
What molar ratio of sodium acetate to acetic acid should be used to prepare a buffer with pH = 4.5? Ka acetic acid = 1.8 x 10-5.
A lactic acid/lactate ion buffer solution contains 0.29 M HC3H5O3- and 0.80 , respectively. The Ka value of lactic acid is 1.4x10^-4. Calculate the pH of the buffer.
explain why it is appropriate to group a polyatomic ion in parentheses in a chemical formula, if more than one of that ion is present in the formula.
2.00 L of H2 at a pressure of 398 torr and 1.00 L of N2 at an unknown pressure. If the total pressure in the flasks is 331 torr after the stopcock is opened,
container a with 150ml contains a gas with an unknown pressure. container b with volume 250ml contains a gas under 628
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