Which statement is true about the following reaction when 1.00 mol of aluminum oxide is produced? 4A1 (s) + 302 (g) → 2A1203 (s) AH° = -3352 kJ/mol a. 3352 kJ of energy are released by the reaction b. 3352 kJ of energy are absorbed by the reaction C. 1676 kJ of energy are released by the reaction d. 1676 kJ of energy are absorbed by the reaction A chemical engineer is performing a test to see if a proposed catalyst for an industrial chemical reaction is working effectively. Which of the following would be positive evidence that it's working? a. Less heat is required to get the reaction started b. The enthalpy of the reaction increases c. The enthalpy of the reaction decreases d. The reaction creates new products The value of AH° for the reaction below is = -791 kJ/mol. What is the enthalpy change in kJ for 1.20 g of S? 25 (s) + 302 (g) 2503 (g) a. 29.6 b. 14.8 c. 59.2 d. 949

Which statement is true about the following reaction when 1.00 mol of aluminum oxide is produced? 4A1 (s) + 302 (g) → 2A1203 (s) AH° = -3352 kJ/mol a. 3352 kJ of energy are released by the reaction b. 3352 kJ of energy are absorbed by the reaction C. 1676 kJ of energy are released by the reaction d. 1676 kJ of energy are absorbed by the reaction A chemical engineer is performing a test to see if a proposed catalyst for an industrial chemical reaction is working effectively. Which of the following would be positive evidence that it's working? a. Less heat is required to get the reaction started b. The enthalpy of the reaction increases c. The enthalpy of the reaction decreases d. The reaction creates new products The value of AH° for the reaction below is = -791 kJ/mol. What is the enthalpy change in kJ for 1.20 g of S? 25 (s) + 302 (g) 2503 (g) a. 29.6 b. 14.8 c. 59.2 d. 949