The equation Mg(g) → Mg⁺(g) + e⁻ represents ____________
The equation O⁻(g) + e⁻ → O²⁻(g) represents _____
EA2
The equation Na⁺(g) + Cl⁻(g) → NaCl(s) represents ____
Bond energy
The enthalpy of atomisation of chlorine (Cl₂) is:
Cl(g) → Cl⁺(g) + e⁻
½Cl₂(g) → Cl(g)
Cl₂(g) → 2Cl(g)
Cl⁻(g) → Cl(g) + e⁻
The bond dissociation energy of H₂ refers to:
H₂(g) → H(g)
H₂(g) → 2H(g)
2H(g) → H₂(g)
H₂(g) → H⁺(g) + H⁻(g)
The first electron affinity of sulfur is:
S(g) → S⁺(g) + e⁻
S(g) + e⁻ → S⁻(g)
S⁻(g) → S(g) + e⁻
S²⁻(g) → S⁻(g) + e⁻
is exothermic
The equation C(s) + O₂(g) → CO₂(g) represents
The equation Ca(s) → Ca²⁺(g) + 2e⁻ represents _______
None of the above
is always endothermic
The equation ½H₂(g) + ½Cl₂(g) → HCl(g) represents the
Which enthalpy change is not standard (ΔH°)?
Formation of H₂O(l) from H₂(g) and O₂(g)
Atomisation of graphite at 298K
Lattice energy of MgO from Mg2+(g) and O2-(g)
Ionisation of Na(g) at 101pa
The standard enthalpy of atomisation of ozone (O₃) refers to:
O₃(g) → O(g)
O₂(g) → O(g)
O(g) → O⁺(g) + e⁻
O₃(g) → O₂(g) + O(g)
Determine the value of
The value of E(O=O) equals to
A. 2
B. 2
C. 2 IE1[O]
D. 2 EA1[O]
Which of the following processes have a negative enthalpy change (ΔH < 0)?
=−141 kJ/mol and =+798 kJ/mol. Calculate a value for the enthalpy change of O(g)+2e−→O2−(g)
What did you learn in this section?