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A 1.585 L container of F2 at 750.0 mm Hg was connected to another evacuated container which had a volume of 1.988 L and separated by a valve. What was the final pressure in atmospheres if the valve was opened and the gas allowed to expand into the other container?
A solid mixture consists of 35.7 of KNO3 (potassium nitrate) and 6.3g of K2SO4 (potassium sulfate). The mixture is added to 130. of water. If the solution described in the introduction is cooled to 0
A hydrogen molecule in it's ground vibrational state with KE=10eV collides with heavy atom metal surface and no energy is transferred to the surface, i.e., the surface can be modeled as an infinite potential wall.
Calculate the pH of a buffer solution formed by adding 28.75 grams of sodium lactate (NaC3H5O3) to 450.0 mL of 0.550 M lactic acid (HC3H5O3) solution
An empty beaker has a mass of 38.112 g. 10.00 mL of ethyl alcohol are placed in thte beaker and the mass of the beaker with ethanol is found to be 45.268 g
Take (a.) galactose (b.) Fructose-6-phosphate through glycolysis, Pyruvate dehydrogenase complex, Citric acid cycle and oxidative phosphorylation and calculate the amount of Atp.
If the final tempurature of the combined water is 42.0 degrees C and the heat capacity of the calorimeter is 26.3 J/degrees C , calculate the mass of the water originally in the calorimeter
commercially available styrene contains about 15 ppm of 4-tert-butylcatechol. Draw the structural formula for 4-tert-butylcatechol
What is the gas pressure (in atm) inside a 1.69-L bulb that contains 0.9-g of Ne at a temperature of 34.1 C? Be sure to report the units as atm.
If 0.600 gram of zinc is used, what is the amount of zinc chloride that is produced in the above reaction?
Decide whether or not each of the following metals dissolves in 1 {\rm M} {\rm{HNO}}_3. For those metals that do dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
Using a sample of water with a mass of 46.0 grams at a temperature of -58. Degree Celsius calculates how many Joules of energy (E) are necessary to heat the ice to 0 degree Celsius. Specific heat of ice= 2.1 J/g C).
Identify the set of stoichiometric coefficients that balance the reaction equation for the combustion of octane. C8H18+O2--->CO2+H2O
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