This equation shows the reaction that occurs when calcium carbonate decomposes. What type of reaction is it?
CaCO3 + energy
CaO + CO
OA. Synthesis
O B. Replacement
OC. Exothermic
OD. Endothermic

Which feature do highland climates have that lower elevation areas do not?

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?

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from