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The geometric angle BETWEEN the two bonds that connect an alpha-carbon to its nearest neighbors on the polypeptide backbone is approximately 109 degrees. Explain.
What is polypeptide backbone?
The Ka of acetic acid is 1.85 x 10-5. What would be the pH of a buffer prepared by mixing 50.0 mL of 1.0 M potassium acetate with 50.0 mL of 1.0 M acetic acid?
How many grams of NaOH are contained in 230.0 mL of a 0.800 M sodium hydroxide solution?
Show by flow diagram the reaction equation for how you could resolve a racemic carboxylic acid [(+-)-RCOOH] using an enantiomerically pure amine
The Planck distribution gives the energy in the wavelength range dA at the wavelength A. Calculate the energy density in the range 650 nm to 655 nm inside a cavity of volume
What mass of calcium chloride is dissolved in 100. mL of a 1.20 M solution of calcium chloride
A box contains a mixture of small copper spheres and small lead spheres. The total volume of both metals is measured by the displacement of water to be 432 cm^3 and the total mass is 4.32 kg
A small cube of lithium (density = 0.535 g cm-3) measuring 1.00 mm on each edge is added to 0.500 L of water. The following reaction occurs- 2 Li(s) + 2 H2O(l) ? 2 LiOH(aq) + H2(g)
A 4.00 g sample of an aluminum-copperalloy reacts with excess hydrochloric acid. The 2.81 L of H2(g) produced is collected over water at a barometric pressure of 758.4 mmHg and 19°C. What is the mass percent of aluminum in the alloy
Compute the final x value using quadratic formula If two moles of caron mono oxide gas and one mole of chlorine gas are placed in the vessel and heated to 500 Kelvin temperature to start the reaction?
How to tell if a compound is polar or non-polar when looking at its structure? Please answer in simple words rather than a whole bunch of scientific terms.
the density of liquid octane, H8H18, is 0.7025g/ml. if 1.00ml of liquid octane is vaporized at 100 degrees 100'c and 725 torr, what volume does the vapor occupy?
Kp for this reaction is 5.1 x 10-2 atm-1. Initially, 1.00 g each of SO2 and Cl2 are placed in a 1.00 L reaction vessel. After 15 minutes, the concentration of SO2Cl2 is 45.5 μg/mL.
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