What is the major product of the following reaction? H₂CrO4 heat а I OV II OH OH Ш IV OH OH V COOH "COOH

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A 145.3 mL sample of carbon dioxide was heated to 301 K. If the volume of the carbon dioxide sample at 301 K is 394.6 mL, what was its temperature at 145.3 mL?

Describe calibration (it's principles) as used in Analytical Chemistry.

45. | You find that if you hang a 1.25 kg weight from a vertical spring, it stretches 3.75 cm. (a) What is the force constant of this spring in N/m? (b) How much mass should you hang from the spring so it will stretch by 8.13 cm from its original, unstretched length?

Chemistry 5’G-G-C-T-A-T-T-G-A-G•G-A-T-C-C-T-G-G-A-T-G-C-C3’3’C-C-G-A-T-A-A-C-T-C-C-T-A-G•G-A-C-C-T-A-C-G-G5’   a. Give the two DNA fragments generated by the enzyme, and then calculate the binding free energy for re-association of the two, resulting fragments.b. Calculate the equilibrium constant for the formation of the uncleaved complex at 25°C in 1M NaCl.c. Calculate the equilibrium constant for association of the ‘sticky ended DNA’ fragments at 25°C in 1M NaCl.d. Determine the concentration of ds DNA (in part c) after enzyme digestion, if the starting dsDNA concentration was 10-8M.

(1) Br2 CC,

McGraw Hil ALEKS CHEMISTRY-Gener... esc E ! 1 MEASUREMENT AND MATTER Adding or subtracting and multiplying or dividing measurements Explanation -1 gml1 Q A 1 A chemistry student must write down in her lab notebook the concentration of a solution of sodium thiosulfate. The concentration of a solution equals the mass of what's dissolved divided by the total volume of the solution. Here's how the student prepared the solution: • The label on the graduated cylinder says: empty weight: 1.500 g • She put some solid sodium thiosulfate into the graduated cylinder and weighed it. With the sodium thiosulfate added, the cylinder weighed 96.6 g. She added water to the graduated cylinder and dissolved the sodium thiosulfate completely. Then she read the total volume of the solution from the markings on the graduated cylinder. The total volume of the solution was 97.7 mL. What concentration should the student write down in her lab notebook? Be sure your answer has the correct number of significant…

Identify the selected functional groups. Type the name of the functional groups In the boxes Da CH3 HN- CH3 HN O HO NH2, OH