Amolecule of dna (deoxyribonucleic acid) is 2.23 µm long. the ends of the molecule become singly ionized: negative on one end, positive on the other. the helical molecule acts like a spring and compresses 1.13% upon becoming charged. determine the effective spring constant of the molecule.

Evaluate this exponential expression,8. (2 + 3)2 – 42

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

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