Practice question
Question
Calculate the heat absorbed when 54 g of water is heated from 20°C to 80°C at constant pressure. (Cp = 75.3 J/mol·K, molar mass = 18 g/mol)
Explanation
Moles = 54 / 18 = 3 mol, Δ T = 80 - 20 = 60 K, qp = nCpΔ T = 3 × 75.3 × 60 = 13554 J = 13.55 kJ.
Related blogs
Guides and insights connected to this topic
Coronavirus Structure, Genome, Replication, Symptoms, Pathogenesis, and Prevention
Structure of Coronavirus Coronaviruses (enveloped RNA viruses) fall in the virus family Coronaviridae, order Nidovirales. They are enveloped...
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...