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Buckminsterfullerene C60 crystallizes in a face-centered cubic arrangement. If potassium atoms fill all the tetrahedral and octahedral holes, what is the formula of the resulting compound?
The titration requires 34.11 mL of base to neutralize 15.00 mL of the acid. What is the Molarity if acid in the vinegar?
The reaction, seen below, is carried out in a constant-volume flask. Initially only dimethyl ether is present and the pressure is 0.350 atm. What is the pressure of the system after 8.0 minutes? Assume ideal behavior.
What is the most important effect of antisymmetrization in electon-electron interaction? Where did antisymmetrization come from? Explain from different statistics of distinguishable particle, indistinguishable particle
Octane has a density of 0.692 g/mL at 20 C. How many grams of O_2 are required to burn 1.50 gal of C_8H_18?
Zn(s) + 2 HCl(aq) H2(g) + ZnCl2(aq) When 25.0 g of Zn reacts, how many L of H2 gas are formed at 25 °C and a pressure of 854 mmHg?
calculate the approximate mass of KHP required to react with 40.0 mL of 0.125 M sodium hydroxide in titration.
From the values of delta H and delta S, predict which of the following reactions would be spontaneous at 25*C:
The rate constant for a certain reaction is k = 2.60×10-3 s-1 . If the initial reactant concentration was 0.200M , what will the concentration be after 14.0 minutes?
Octane has a density of 0.692 g/mL at 20 degrees celsius How many grams of oxygen are required to burn 1.10 gal of octance.
calculate the minimum concentration of mg 2+ that must be added to .10 M NaF in order to initiate a precipitate of magnesium flouride.
A sample of an element has a volume of 81 mL and a density of 1.73 g/mL. What is the mass in grams of the sample (round to the nearest tenth)?
she observed the formation of a large volume of precipitant while trying to dissolve copper sulfate in the irrigation water from the well on her farm (which contains high levels of hydrogen sulfide). What explanation can you provide for this obser..
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