Which statement describes the potential energy diagram of an exothermic reaction?
• A. The potential energy of the reactants is greater than the potential
energy of the products.
• B. The potential energy of the products is equal to the potential
energy of the reactants.
• C. The activation energy of the reactants is greater than the
activation energy of the products.
• D. The potential energy of the products is greater than the potential
energy
of the reactants.

Part of molten rock at mid-ocean ridges

A100 kmol/h stream that is 97 mole% carbon tetrachloride (ccl4) and 3% carbon disulfide (cs2) is to be recovered from the bottom of a distillation column. the feed to the column is 16 mole% cs2 and 84% ccl4, and 2% of the ccl4 entering the column is contained in the overhead stream leaving the top of the column. calculate the mass and mole fractions of ccl4 in the overhead stream, and determine the molar flow rates of ccl4 and cs2 in the overhead and feed streams. 12. mw_ccla- 153.82; mw_cs2-76.14.

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