Compare the polymerisation reaction used to produce poly(ethene) with the polymerisation reaction used to produce a polyester.

Which are causes of mechanical weathering? check all that apply. oacid raino plant growtho animal actionso carbon dioxideo pressure release

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.

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma