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Elemental sulfur occurs as octatomic molecules, S8. What mass of fluorine gas, F2, is needed for complete reaction with 38.5 g sulfur to form sulfur hexafluoride?
What is the pressure exerted by some nitrogen gas collected in a tube filled with water on a day when the room temperature is 18.0ºC and the room pressure is 750.0 mmHg?
Pyridine(C5H5N) is a weaker base in H2O than 2,6 lutidine (dimethylpyridine), but we observe that the pyridine-BF3 complex is more stable than the comparable lutidine-BF3. Explain the reason for this inversion in stabilities.
What is the theoretical yield of bromobenzene in this reaction when 33.0 g of benzene reacts with 71.5 g of bromine?
Write the net ionic equation for the reaction between aqueous solutions of calcium chloride and sodium carbonate.
nbspwhen sodium chloride nacl reacts with silver nitrateagno3 silver chloride precipitates. determine the mass of
Use the half reaction method to balance the following equation in acidic solution. It is not necessary to include any phases of matter for any species. It is not necessary to include any phases of matter for any species.
A 0.831-g sample of SO3 is placed in a 1.00-L container and heated to 1100 K. The SO3 decomposes to SO2 and O2: 2SO3(g) 2SO2(g) + O2(g). At equilibrium the total pressure in the container is 1.300 atm. Calculate Kp for the above reaction at 1100..
Identify the compound with the highest wavelength in an UV spectrum. a. benzene b. phenol c. phenolate ion d. aniline e. anilinium ion
If 28mL of 5.2M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?.
when 13.66 g of lactic acid c3h6o3 is mixed with 115 g of stearic acid the mixture freezes at 62.7 degrees celcius. the
Gold is a face-centered cubic structure that has a unit cell edge length of 4.08Angstroms . There are four gold atoms per unit cell. How many gold atoms are there in a sphere that is 20nm in diameter. Recall that the volume of a sphere is (4/3) pi..
a gas sample containing 1.50 mol at 25degc exerts a pressure of 400. torr. some gas is added to the same container and
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