Assume that the change in pressure of h2s is small enough to be neglected in the following problem. (a) calculate the equilibrium pressures of all species in an equilibrium mixture that results from the decomposition of h2s with an initial pressure of 0.824 atm. 2h2 s(g) ⇌ 2h2(g) s2(g) kp

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral