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11 Nov 2019
13. Which one of the following statements is true ? a. H is an intensive property, with units of energy per mole b. The enthalpy change for a reaction is independent of the state of the reactants and products c AH is the value of q measured under conditions of constant pressure d. The enthalpy change of a reaction is the reciprocal of the AH of the reverse reaction. 14. Consider the following processes: AH J/mol 150.0 -125.0 350.0 3B 2C+D Calculate AH for B-E+2C a. -175 kJ/mol b. 175 kJ/mol c. 1075 kJ/mol d. -420 kJ/mol 15. Choose the correct equation for the reaction of formation of COp indicates graphite). Part II. For questions 16-27, show all your work in an organized way. Indicate units. Use the correct number of significant figures. 16. What mass of calcium chloride, CaCl. (M.-110.98 g) is needed to prepare 2.850 L of a 1.56 M solution? 17 Write the net ionic equation for the reaction in question 1.
13. Which one of the following statements is true ? a. H is an intensive property, with units of energy per mole b. The enthalpy change for a reaction is independent of the state of the reactants and products c AH is the value of q measured under conditions of constant pressure d. The enthalpy change of a reaction is the reciprocal of the AH of the reverse reaction. 14. Consider the following processes: AH J/mol 150.0 -125.0 350.0 3B 2C+D Calculate AH for B-E+2C a. -175 kJ/mol b. 175 kJ/mol c. 1075 kJ/mol d. -420 kJ/mol 15. Choose the correct equation for the reaction of formation of COp indicates graphite). Part II. For questions 16-27, show all your work in an organized way. Indicate units. Use the correct number of significant figures. 16. What mass of calcium chloride, CaCl. (M.-110.98 g) is needed to prepare 2.850 L of a 1.56 M solution? 17 Write the net ionic equation for the reaction in question 1.
Nestor RutherfordLv2
4 Apr 2019