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Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?

When using the scientist method, which step comes last?

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton