12. In which equilibrium system will an increase in pressure cause a shift to the left? A) C(s)+ O2(g) ⬅️➡️CO2(g)
C) 2 Mg(s) + O2(8) ⬅️➡️2 MgO(s)
B) CaCO2(s)⬅️➡️ CaO(s)+ CO2(g)
D) 2 H2(g) + O2(g) ⬅️➡️2 H2O(g)

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

What is the chemical name of the compound ti2o3? use the list of polyatomic ions and the periodic table to you answer.

Calculate the molarity of each aqueous solution: a. 78.0 ml of 0.240 m naoh diluted to 0.250 l with water b. 38.5 ml of 1.2 m hno3 diluted to 0.130 l with water