[Unit 4.2] | Enthalpy

Question 1

Define Enthalpy Change (ΔH).

Answer 1

• A heat energy change under constant pressure.

Question 2

What are the standard conditions (θ) of an enthalpy change (ΔH)?

Answer 2

• 100 kPa Pressure (~1 atm)
• Temperature of 298K (~Room Temperature)
• Concentration of 1.0M (When Solutions are involved)