When rocks undergo metamorphic changes, chemical reactions cause minerals to recrystallize or change form. which agent provides the energy for these reactions?

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

0.09 moles of sodium sulfate in 12 ml of solution

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.