Multiple Choice
Use the data given below to construct a Born-Haber cycle to determine the second ionization energy of Ca. DH°(kJ)
Ca(s) → Ca(g) 193
Ca(g) → Ca⁺(g) + e⁻ 590.
2 O(g) → O2(g) -498
O(g) + e⁻ → O⁻(g) -141
O⁻(g) + e⁻ → O2⁻(g) 878
Ca(s) + 
O2(g) → CaO(s) -635
Ca2⁺(g) + O2⁻(g) → CaO(s) -3414
A) 1010 kJ
B) 1757 kJ
C) 1508 kJ
D) -3027 kJ
E) -1514 kJ
Correct Answer:
Verified
Correct Answer:
Verified
Q6: Which of the following has the smallest
Q39: When drawing out Lewis structures,how many electrons
Q39: Use Lewis theory to determine the chemical
Q40: Write a possible molecular formula for C<sub>4</sub>H<sub>4</sub>O.<br>A)
Q42: Which of the following is a molecular
Q43: Use the data given below to construct
Q49: Which of the following ionic compounds would
Q54: Combustion analysis of 63.8 mg of a
Q72: Give the correct formula for aluminum sulfate.<br>A)
Q175: Calculate the molar mass of Al(C<sub>2</sub>H<sub>3</sub>O<sub>2</sub>)<sub>3</sub>.<br>A) 86.03