Practice question
Question
Calculate the heat absorbed when 40 g of iron is heated from 20°C to 100°C at constant pressure. (Cp = 25.1 J/mol·K, molar mass = 56 g/mol)
Explanation
Moles = 40 / 56 = 0.7143 mol, Δ T = 100 - 20 = 80 K, qp = nCpΔ T = 0.7143 × 25.1 × 80 = 1434.3 J = 1.434 kJ.
Related blogs
Guides and insights connected to this topic
Cucumber Mosaic Virus (CMV): Structure, Genome, Symptoms, Disease Cycle and Management
Cucumber Mosaic Virus (CMV): Introduction and Importance Cucumber Mosaic Virus (CMV) (plant-infecting RNA virus) is one of the most economic...
Zoonotic Spillover in Bats: Causes, Consequences, and Future Preparedness
Bats: General Characteristics and Classification Bats are small mammals capable of true sustained flight. They belong to the second-largest...
Human Astrovirus- An Introduction
Structure of Human Astrovirus Human astrovirus (virus causing gastroenteritis in humans) falls under Astroviridae (virus family) and genus M...