Recording studios often have thick wall coverings to limit stray sounds from being recorded. What property of waves does the thick wall covering represent?

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.

Correct relationship between molecular formula and empirical formula

One similarity and one difference between an element and a mixture of elements