"A unknown metal weighs 431g and is heated to 92°C before putting it into a coffee cup calorimeter containing 624g of water intially at 21°C. After reaching thermal equillibrium the temperature was found to be 9 H20 round to the nearest whole number 9 metal round to the nearest whole number specific heat of the metal round answer to three decimal places omit trailing zeroes Identity of the metal elements Specific Heat Aluminium 0.902 Iron 0.451 Copper 0.385 Gold 0.128 Lead 0.031

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.

Part C F10 BO O 3.04 × 10³ 6.27 x 10-1 The dosage of quinine when a 145-lb adult takes a 200.-mg tablet is equivalent to ug drug per kg of body weight. ► View Available Hint(s) O 627 O 1.38 × 10³ P Pearson * Education Inc. All rights reserved. | Terms of Use Privacy Policy. Permissions Contact Us | Bb Home L End Insert ■ Review |- Constants | Periodic Table 1 2