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A balloon was filled to a volume 2.50 L when the temperature was 30.0 degrees C. What would the volume become if the temperature dropped to 11.0 degrees C?
A chemist wanted to determine the concentration of a solution of lactic acid, HC3H5O3. She found that the pH of the solution was 2.49. What was the concentration of the solution? The Ka of lactic acid is 1.4 10-4.
The partial pressure of oxygen gas in an atmosphere at STP is approximately 0.2 atm. If I capture 11.2 liters of atmospheric gas at STP in a flask,
How can you visually demonstrate that a substance is insoluble or just slightly soluble. Some solid remains in both cases.
If the rate of appearance of oxygen (?[O2]/?t) is 6.0 x 10-5 M/s at a particular instant, what is the value of the rate of appearance of ozone (-?[O3]/?t) at this same time
for each formula unit of sodium decahydrate: Na2SO4 * 10H2O, a) how many atoms of each kind are present? B) how many water molecules would be liberated for every molecule of the hydrate that is decomposed by heating?
each successive hydrogen is more easily substituted until the trihalo species is obtained. Explain
In which of the following reactions would increasing pressure at constant temperature not change the concentrations of reactants and products, based on Le Ch telier's principle
what must be happened to the extent of interaction for a much longer hydrocarbon chain like cetane (for example) while Considering that octane molecules are hydrocarbon chains?
What is the theoretical yield (in g of precipitate) when 15.5 mL of a 0.701 M solution of iron(III) chloride is combined with 16.7 mL of a 0.6 M solution of lead(II) nitrate
At a fixed temperature and pressure, how does the value of the heat of sublimation of a substance compare with that of its heat of deposition?
Calculate the molar mass (in units of g/mol) of the solute . Kf of water is 1.86 C/m?
A student in lab constructed an Ag+ sensor using the same procedure as in the Metal Ion Sensor lab that you performed. Titration of 10.00 mL of an AgNO3 solution diluted with 40.0 mL of DI water required 11.85 mL
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