Which type of rock does Florian predict these pieces will change into when subjected to heat and pressure?

The Florian predict the metamorphic rocks because it changes when subjected to heat and pressure.

Explanation:

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answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.

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