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Describe (that means you have to write in detail) how to prepare an aqueous 5.0 F solution of acetic acid, CH3COOH. You can start with crystals of the acid and deionised distilled water. Please describe also the apparatus being used
What type of bonding between amino acid residues is most important in holding a protein and polypeptide in a specific secondary configuration?
Identify the set of stoichiometric coefficients that balance the reaction equation for the combustion of octane. C8H18+O2--->CO2+H2O
If 20.0L of neon gas exerts a pressure of 125 psi at 423 k , what is the number of moles of gas?
Calculate the final temperature of the helium inside the cylinder. Assume helium to be an ideal gas with Cp=(5/2)R.
Calculate the mass of H2O produced when 12.0 g of glucose is combusted in a container of oxygen with a volume of 1.3 L at a pressure of 2.2 atm and a temperature of 205 °C.
Work out the solubility of copper(II)sulfide. Take it that 1 litre of the mixture weighs 1 kg. (in g/100g), CuS (s) Cu^2+ (aq) + S^2- (aq)
A 60.0 g sample of an alloy was heated to 96.0 °C and then dropped into a beaker containing 87.0 g of water at 24.1 °C. The temperature of the water rose to a final 27.63 °C.
If more than one alkene is possible, predict which one will be formed in the largest amount: a. 2-methyl-2-butanol b. 1-methylcyclohexanol
Calculate the capacitive reactance, the impedance, and the phase angle, phi, for a series RC circuit having a frequency, f of 1.00e+04 Hz, resistance,
The following measurements refer to the same solution, but one is incorrect. Identify the incorrect value and enter the correct value in the space below. Enter exponents using "e-notation
Determine the characteristic wavelengths if an electron are accelerated through an electric potential to a kinetic energy of 18kev.
The molar stoichiometric ratio of nitrogen produced to ammonia reacted in the reaction equation is one to one, and the mol CO2/mol C6H12O6 = 2. How much (in g mol) (a) glycerol was produced and (b) how much biomass reacted to produce the 52.4 L of..
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