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Question: Lead has a face-centered cubic lattice with all atoms at the lattice points and a unit-cell edge length of 495.0pm its atomic mass is 207.2 amu what is the density of lead?
Determine at what minimum angle relative to the centerline perpendicular to the doorway can someone outside the room hear no sound?
Determine how would you compare the escape velocity of asteroid Y as compare to the escape velocity of asteroid X?
Explain the type of nonrenewable energy resource used and their short-term and long-term effects on the environment
Consider a lake containing 39 ppb (parts per billion) of parathion, which has a log Kow = 3.8. If a sample of lake water was mixed with octanol, what is the expected concentration of parathion in the octanol?
Explain would the calculated molarity of NaOH be too high or too low If the KHP weighed in your experiment today was contaminated with some unknown inert substance.
How many gms of H2O must be combined to 519.5 gms of methanol at 20°C to have an osmotic pressure of 408 mm of Hg? Methanol density = 0.8921 g/mL.
Determine how many grams are there in 4.5+10 22 molecules of Barium nitrate and determine what is the molar mass of a gas ?
Determine What would be the density of the solid if density of toluene at the temperature of the experiment = 0.864 g/mL.?
Using the given reduction potential determine what is the voltage for these given electrochemical cell
Determine the vapor pressure of a solution prepared by dissolving 250 g of Ethanol in 375 g of water?
Find out the concentration of this solution in a)M (molarity), b) m (molality), c) % w/w (percent by mass). If solvent =, H 2 O.
Evaluate the electronic configuration for ionization energies of Magnesium, the orbital number in which the electrons are added in phosphorus ion, and the one will lose in the ionization of Alluminium.
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