Observe as equações e de acordo com Brönsted-Lowry, os compostos destacados são, respectivamente

Light waves can move through , but they travel fastest when they move through a(n) .

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 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