Do chemical formulas have a charge even though they may be made from ions? Why?

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.