Which statement correctly describes a scientific theory? A. It is accepted as true indefinitely. B. It is based on repeated investigations. C. It is equivalent to a scientific law. D. It is accepted as false.

Which of the following are correct values for the ideal gas laws constant r

The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?

Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.