How do we describe noble gases? A.. they have a full outer shell and unstable. B... they have a full outer shell and are stable. C.. their outer shell isn’t full and they are unstable. D... their outer shell isn’t full and they are stable.

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?