What volume of the 50x stock is required
What volume of the 50X stock is required if a garose gel buffer (TAE) is prepared as a50X stock to prepare 5 liters of buffer at the working concentration (1X).
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Determine the pH of a solution made by adding the 1.55g of sodium hydride, NaH, to enough the water to make 0.1540 L of solution.
A fund raising committee is to be selected from a group of 30 members, including 20 college graduates (15 of whom are women) and 10 people who did not graduate from college (4 of whom are women).
The percentage of an additive in the gasoline was calculated six times with the following results: 0.13, 0.12, 0.16, 0.17, 0.20, 0.11%. Identify the 90% and 99% confidence intervals for the percentage of the additive.
Consider an electron freely moving in a two-dimensional square box of length 2.50 nm. Calculate the zero-point energy of the particle.
i) Determine how fast and in what direction are the cars moving following the collision? ii) Determine how much kinetic energy is lost in the collision?
For the equation C2H5OH (l) + 3O2 (g) --> 2CO2 (g) + 3H2O (g), ΔUrφ = -1373 kJ at 298 K. Discuss how much heat is released per mole of ethanol combusted?
Discuss why the multiple extractions with smaller volumes of the extraction solvent are usually better than the single extractions with a larger volume of the extraction solvent?
The electron moves via a uniform magnetic field given by = Bx + (2.79 Bx). At a particular moment, the electron consists of velocity of 1.29+4.79 m/s and the magnetic force acting on it is (5.17 X 10-19) N. Determine Bx.
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