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Which of the bonds that maintain the conformation of proteins are most sensitive to disruption by high concentration of ethanol? Explain
compute the mass of salt required to bring the freezing point of 200 ml of h2o from 0 degrees c to -5 degrees c.when a
CO (5.00 g) and CO2 (5.00 g) were placed in a 750.0 mL container at 50.0 °C. Calculate the total pressure in the container.
Write the rate expression for the reaction C) Calculate k for the reaction D) When [S2O8 2-] = 0.105 M and [I-] = 0.0875 M, what is the rate of the reaction at the temperature of the experiment?
if the radio waves transmitted by a radio station have a frequency of 70.6 Mhz, what is the wavelength of the waves, in meters?
if the initial concentration of is 0.260 and the reaction mixture initially contains no products what are the
Calculate the concentration of C6H5NH3+ in this buffer solution b) Calculate the pH after 4.0 g of NaOH(s) is added to 1.0 L of this solution (neglect volume changes)
A beaker with 130 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M.
Say, for example, that you had prepared a Buffer, in which you mixed 8.203 g of sodium acetate, NaC2H3O2, with 100 ml of 1.O M acetic acid. What would be the initial pH of Buffer C.
What is the theoretical yield and percent yield for this reaction under the given conditions?
Which of the following correctly shows intrachain hydrogen bonding in an alpha-helix. A. -NH HN- B. -C=O HC- C. -C=O HN- D. -C=O C- E. -CH HC-
HNO3 was required for complete reaction with 0.8784+or- 0.0008g of Na2CO3 (FM 105.988+or- 0.001). Find the molarity of the HNO3 and its absolute uncertainty
Using the table of reductions values explain why silver ion is the reactant and why silver metal is a sacrificial anode that protects mercury from oxidizing into mercury(I) or mercury(II) ion.
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