CHEM 133-Tests & Quizzes

CHEM 133-Tests & Quizzes Part 1 of 2 - Part 01 40.0/ 48.0 Points Question 1 of 25 Of the following elements, which has the lowest electronegativity? A. Cl B. Ca C. Br D. Mg Feedback: See Chapter 07 Question 2 of 25 Use the following bond energies to estimate the enthalpy change for the following reaction, one mole of CH4 with chlorine gas to give CH3Cl and hydrogen chloride. BEC–H = 414 kJ/mol BEC–Cl = 326 kJ/mol BEH–Cl = 432 kJ/mol CHEM133 K003 Sum 19 ą z ^Tests & Quizzes Tests & Quizzes You can access the new Success Center via the left hand navigation in your classrooms. This tool is updated regularly and provides access to hundreds of relevant resources geared towards your academic and professional goals. Check it out!  11/17/2019 APUS CLE : CHEM133 K003 Sum 19 : Tests & Quizzes 4.0/ 4.0 Points 0.0/ 4.0 Points BECl–Cl = 243 kJ/mol A. -106 kJ/mol B. -101 kJ/mol C. +101 kJ/mol D. +331 kJ/mol E. +106 kJ/mol Feedback: See Chapter 07 Question 3 of 25 What is the formal charge on the central nitrogen atom in the most favorable Lewis structure for the fulminate ion, CNO–, based on minimizing formal charge overall? A. +2 B. +1 C. -2 D. 0 E. -1 Feedback: See Chapter 07 Question 4 of 25 Which of the following molecules obeys the octet rule?