Reaction proceeds with an increase or decrease in entropy

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Consider the following thermochemical equation:

SiO2 (s) + 4HF ?→? SiF4 (g) + 2H2O (l) ?Δ?H?°?rxn = -184 kJ

  1. What mass of HF in grams must react in order to produce 950 kJ of energy?
  2. Do you think the reaction proceeds with an increase or decrease in entropy? Explain the reasoning on a molecular level
  3. Calculate the ?Δ?S?°? (or ?Δ?H?°?) for this reaction

Reference no: EM132412907

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