What is the effect of adding helium gas (at constant volume) to an equilibrium mixture of the reaction: ?

What is the smallest component or the most basic building block of any element ? a. an atom, b.a compound c.gas d.element

Which statement about the stamps is correct?

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.