Use the data given below to construct a Born-Haber cycle to determine the heat of formation of KCl. ΔH°(kJ mol-1)
K(s) → K(g) 89
K(g) → K⁺(g) + e⁻ 418
Cl2(g) → 2Cl(g) 244
Cl(g) + e⁻ → Cl⁻(g) -349
KCl(s) → K⁺(g) + Cl⁻(g) 717
A) -1119 kJ
B) -997 kJ
C) -437 kJ
D) +631 kJ
E) +158 kJ
Correct Answer:
Verified
Q7: Place the following in order of increasing
Q11: Place the following in order of decreasing
Q17: Identify the substance that conducts electricity.
A) NaCl
Q18: Which of the following statements is TRUE?
A)
Q19: Identify the compound with metallic bonding.
A)NaCl
B)Li
C)H2O
D)He
E)S
Q21: Which of the following reactions is associated
Q22: Use the data given below to construct
Q26: Identify the complete electronic configuration for S2-.
A)1s22s22p63s24p6
B)1s22s22p63s23p6
C)1s22s22p63s23p5
D)1s22s23p64s25p6
E)1s22s2p63s2p6
Q28: Use the data given below to construct
Q52: A single covalent bond contains _ of
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