If 7 mol calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2) will be produced? CaC2 + 2 H2O → Ca(OH)2 + C2H2

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

Will mark brainliest how many electrons can be held in the energy level n = 4?