Which phrases describe a model in science?

Which type of intermolecular force is pbr3

Which of the following statements best explains why chemistry is testable a) it can measure data by experiments b) it cannot add new evidence c) it cannot be verified d) it is biased

Which of the following is not a result when a change to an equilibrium system is applied? (2 points) increasing the rate of the forward reaction will cause a shift to the left. increasing the rate of the reverse reaction will cause a shift to the left. decreasing the rate of the forward reaction will cause a shift to the left. decreasing the rate of the reverse reaction will cause a shift to the right.