if you have spilled 41.2. mol of HCl and put 26.5 mol of Mg(OH)2 on it which substance is the limiting reactant?

Which of the following might a chemist choose to study? a. glacier movement in alaska b. better ways to recycle plastics c. the effects of hurricanes on turtle populations d. the vibrations in bridges caused by big trucks

Which substances have the lowest melting points: ionic covalent, or metallic

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.