B) The alkanes from crude oil are separated into fractions by fractional distillation. Explain how this is done and why it separates the alkanes into fractions.
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Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space