⚡ Part 1: Hess's Law Fundamentals

Given the following data:

C(s) + O₂(g) → CO₂(g) ΔH = -394 kJ mol⁻¹

CO(g) + ½O₂(g) → CO₂(g) ΔH = -283 kJ mol⁻¹

Answer: ΔH = _________ kJ mol⁻¹

🌊 Part 2: Stationary Waves

a) Nodes are points where the amplitude is always _____________

b) Antinodes are points where the amplitude is at its _____________

c) Stationary waves are formed by the _____________ of two waves travelling in _____________ directions

🔗 Part 3: Connecting Concepts - Path Independence

🎯 Part 4: Integrated Problem Solving

a) The wavelength: λ = ___________ m

b) The frequency: f = ___________ Hz

c) The number of nodes: ___________ nodes

Given:

ΔH°c[CH₄(g)] = -890 kJ mol⁻¹

ΔH°c[C(s)] = -394 kJ mol⁻¹

ΔH°c[H₂(g)] = -286 kJ mol⁻¹

ΔH°f[CH₄(g)] = ___________ kJ mol⁻¹

💡 Part 5: Creative Integration