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The data density of a Blu-ray disk using a 405-nm laser is 1.5 × 107 bits mm-2. Disks have an outside diameter of 120 mm and a hole of 15-mm diameter. How many data bits can be contained on the disk? If a Blu-ray disk can hold 9,400,000 p of text, how many data bits are needed for a typed page? (Hint: Determine the area of the disk that is available to hold data. The area inside a circle is given by A = πr2, where the radius r is one-half of the diameter.)
After you have added 1 N HCl to adjust the pH of the Tris solution to 8.1, what is the ratio (in mmols) of Tris to Tris-HCl in the resulting buffer solution
what is the formula for the ionic compounds formed by magnesium ions and calcium ions with nitrate ions?
Evaluate the overall order of reaction and the units of the rate constant - Calculate the TEMPERATURE AT THE OUTLET for your operation conditions and Calculate the VOLUME OF YOUR REACTOR for your operation conditions
a certain transition metal compound contains a cobalt ion ofunknown valence ligands of water molecules and chloride
A certain first order reaction has a rate constant of 0.0215 s-1 at 24 degrees C. What is the value of rate constant at 70 degrees C if Ea=90.0 kJ/mol.
At 1 atm, how much energy (kJ) is required to heat 65.0 g of H2O(s) at -20.0 degrees C to H2O(g) at 135.0 degrees C?
We find that 61.1 mL of an HCl solutionreacts exactly with 74.2 mL of 1.371 M KOH solution. Calculate the molarity of the HCl solution.
Estimate or compute an appropriate temperature differential between the outside and the inside of the condenser and the evaporator.
Carbon disulfide is a foul-smelling solvent that dissolves sulfur and other nonpolar substances. It can be made by heating sulfur in an atmosphere of methane.
Calculate the rms veloctiy of each gas at this temperature. b) Calculate the average kinetic energy per mole and per molecule for each gas.
What is the equilibrium constant for the following reaction CO(g) + 2 H2(g) ? CH3OH(l); [CO] = 0.530 M and [H2] = 0.824 M
the specific heat of fat is 0.45 and the density of fat is 0.94 . how much energy in calories is needed to heat 19 of
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