Which of the following is true for a first order reaction? None of the above.

The reaction has a half-life that is independent of initial concentrations.

The rate is independent of concentration.

A plot of concentration of the reactant versus time yields a straight line.

the population of unionid mussels in the hudson river decreased after zebra mussels were introduced. zebra mussels, a nonnative species, competed with the unionid mussels for food. the zebra mussels were able to outcompete the unionid mussels, allowing the zebra mussel population to increase dramatically over six years. the unionid mussel population decreased due to a lack of food.

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