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The Lowry, Smith, and Bradford assays provide an estimate, rather than an exact measure of total protein. Why? What is the importance of the standard protein chosen for the construction of calibration curves?
If 18.6 mL of 0.21 M oxalic acid dehydrate react with 14.6 mL of KMno4 what is the molarity of the KMno4?
Complete and balance the following equation Write the ionic equation and net ionic equation. Indicate spectator ions and determine if a precipatie would form. (NH4)2C03(aq)+CaCl2
You use 27.5 mL of NaOH to titrate 100.0 mL of HCl and 18.4 mL of NaOH to titrate 50.0 mL of 0.0782 M H2SO4. What are the concentrations of the HCl and NaOH respectively?
by titration 23.4 ml of aqueous h2so4 neutralized 24.8 ml of 0.0495 m lioh solution. what was the molarity of the
Express b in terms of the mass m of each atom and the temperature T of the gas( and other constants), given that the Boltsmann factor in P(cx) pertains to the x- component of the kinetic energy of each atom in the gas.
1.girl a dilutes 10 ml stock solution to a final volume of 20 ml. girl b dilutes 10 ml stock solution to a final volume
How many moles of sodium hypobromite, NaBrO, should be added to 1.00 L of 0.050M hypobromous acid, HBrO, to form a buffer solution of ph 8.80?
Chemical kinetics-General Certificate of Education Advanced Level-GRADES 12-13-CHEMISTRY -Defines and interprets half-life of a reaction.
An excited hydrogen atom emits a photon with a frequency of 1.141 x 10^14 Hz to reach the n = 4 state. From what state did the electron
Certain sunglasses have small crystals of silver chloride (AgCl) incorporated in the lenses. When the lenses are exposed to light of the appropriate wavelength, the following reaction occurs:AgCl->Ag + Cl.
An aqueous solution made by dissolving 168 mg of an unknown compound (a nonelectrolyte) in enough water to make 500.0 mL of solution, develops an osmotic pressure of 5.22 torr at a temperature of 23.5 °C. What is the molecular weight of this unkno..
A 455-g piece of copper tubing is heated to 89.5 oC and placed in an insulated vessel containing 159 g of water at 22.8 oC. Assuming no loss of water and a heat capacity of 10.0 J/K for the vessel
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