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What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?