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Determine the repeat distance, linear density, and Packing fraction for BCC lithium, which has a lattice parameter of .35089 nm, in the [100], [110], and [111] directions. Which of these directions is close packed?
A 300 L kiln is used for vitrifying ceramics. It is currently operating at 1065 degrees celsius, and the pressure is 0.9500 atm. How many moles of air molecules are within the confines of the kiln
Concentrated HCl was added to a Ca(OH)2 suspension (in water) and the precipitate dissolved. Explain this observation on the basis of a Le Chatelier's shift in the equilibrium.
A 15.6 mL sample of vinegar, containing acetic acid, HC2H3O2, was titrated using 0.6216 M NaOH solution. The titration required 19.80 mL of the base. Assuming the density of the vinegar to be 1.0 g/mL, what was the percent (by mass) of acetic acid..
A 32.0-g sample of water at 290. K is mixed with 51.0 g water at 320. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
The solubility product constant (Ksp) for the dissolution of SrSO4 as represented by the chemical equation is 2.5 x 10-7.
Give a stepwise mechanism showing the base-induced formation of diphenyl-acetylene from meso-stilbene dibromide. Use curved arrows to symbolize the flow of electrons.
what will the maximum temperature reached by the resulting solution? [Assume that there is no heat loss to the container, that the specific heat of the final solution is 4.18 J/g*C, and the density of the final solution is that of water.]
The water temperature rose to 27.9 °C. Calculate the molar heat capacity of the metal
in the titration of 50.0 ml of 1.0 m methylamine ch3nh2 kb 4.4 10-4 with 0.50 m hcl calculate the ph under the
What is the theoretical yield of aspirin if 175 kg of salicylic acid is allowed to react with 118 kg of acetic anhydride?
An inflated balloon has a volume of 0.55 L at sea level (1 atm) and is allowed to rise to a height of 6.6 km, where the pressure is about 0.40 atm.
Determine the binding energy of an O-16 nucleus. The O-16 nucleus has a mass of 15.9905 amu, A proton has a mass of 1.00728 amu, a neutron has a mass of 1.008665amu, and 1amu is equivalent to 931 MeV of energy.
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