Which best describes the structure of 2-butene? A. a four-carbon hydrocarbon with a branching point at the second carbon atom in the chain

B. a four-carbon hydrocarbon with a double bond between the first and second carbon atoms

C. a four-carbon hydrocarbon with a double bond between the second and third carbon atoms

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

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Correct relationship between molecular formula and empirical formula