Lattice Enthalpy

Question 1

What is the definition of lattice enthalpy

Answer 1

Enthalpy change when one mole of an ionic compound is converted to gaseous ions

Question 2

What is is the definition of enthalpy of atomisation

Answer 2

Enthalpy change when one mole of gaseous atoms is formed from the element in its standard state

Question 3

What is the definition of first ionisation energy

Answer 3

Energy required to convert one mole of gaseous atoms into gaseous ions with a single positive charge

Question 4

What is the definition of 2nd ionisation energy

Answer 4

Energy required to convert one mole of gaseous ions with a single positive charge into gaseous ions with a double positive charge

Question 5

What is the definition of 1st electron affinity

Answer 5

Enthalpy change when one mole of gaseous atoms is converted into gaseous ions with a single negative charge

Question 6

What is the definition of enthalpy of formation

Answer 6

Enthalpy change when one mole of a compound is formed from its elements under standard conditions

Question 7

What is the definition of average bond enthalpy

Answer 7

Energy required to break one mole of a given bond averaged over many compounds

Question 8

Definition of the enthalpy of hydration

Answer 8

Enthalpy change when one mole of gaseous ions is converted to one mole of aqueous ions

Question 9

What is the definition of enthalpy of solution

Answer 9

Enthalpy change when one mole of a solute dissolves in water

Question 10

What is the equation for enthalpy of solution

Answer 10

Lattice enthalpy plus enthalpy of hydration