An igneous rock floats because air bubbles became trapped when molten material erupted from an underground volcano. How else can this rock be accurately described?

intrusive
extrusive
large crystals
coarse texture

Ethene molecular fórmula= c2h4molecular weight = 29.046g/molhope it : )

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In reversible reaction chemistry equilibrium is attained when the forward and reverse reactions are taking place at the same rate, thus, the concentrations of reactants and products remain the same. a reversible reaction is a chemical reaction where the reactants form products that, in turn, react together to give the reactants back. in irreversible reactions on the other hand, the reactants react to form the products, which cannot revert back into reactants.