How many grams of aluminum are needed to produce 2 moles of aluminum oxide? 4A1 + 30 2Al2O3​

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition

Match the mixture with the substance// i really need on this guys (it’s a pic btw)