When minerals dissolve out of water what type of rock would form when these minerals get compressed together?

What’s a special glass that most beakers are made of

Helium decays to form lithium. which equation correctly describes this decay?

What mass of iron must be in a hot pack to provide -335kj of heat when the iron reacts with oxygen and is converted to iron (111) oxide according to the following thermochemical equation? 2fe(s) + 1.5o2(g)—> fe2o3(s) delta h= -824.2kj/mol