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To make a phosphate buffer at pH 9.6 starting with 1L of 10 mM phosphoric acid (H3PO4; pKs are of 2.15, 6.82, and 12.38 determine how much KOH ), you could add?
Determine the energy in joules of a mole of photons coupled with red light of wavelength
What is the atomic radius of each atom that composes it If the length of a face centered cubic unit cell is 0.200 nm,?
Determination of the partial pressures of the gases - Find the partial pressure of each of these gases in the final product mixture.
Describe each reaction and provide the name of all the chemical formula involved for each number.
What is the geometry and hybridization of the carbonyl carbon in carboxylic acids and their derivatives.
Compute the band gap for this semiconductor material after Consideing an intrinsic semiconductor with a conductivity σ that triples between the temperature 27 degree Celsius and 57 degree celsius.
A scientists places 4.00 moles of Argon, Ar (g) and 2.00 moles of Helium, He (g) into a flask at the temperature of 298 Kelvin and measures the pressure to be 3.00 atm. calculate the pressure due to Helium gas?
Write and balance the given chemical equation and Write a balanced equation for this reaction
What is the amount of energy packaged in a photon with a wavelength of 310 nm. Calculate the frequency of EM radiation with a wavelength of 1.2 x 10-7 m
Determine the mass of copper(II) sulfate, CuSO4 will remain after removing all the H2O(water) from 74 grams of CuSO4 5H2O (Also called Blue Vitriol and Bluestone)?
Considering the molecule HOOH. What happens to the overlap in the σ bond between the 2 O atoms as one hydroxyl group is rotated in a clockwise relative to the other hydroxyl group?
Determine the rate constant for the reaction at the temperature of 75 degree celsius?
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