Chemistry: ENERGETICS / THERMOCHEMISTRY (HL) Topical Past Paper Questions
IB Diploma Programme Chemistry past-paper questions on ENERGETICS / THERMOCHEMISTRY (HL), free. This topic is frequently examined across 17 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Adding bioethanol to gasoline increases the octane rating of the fuel and lowers the carbon footprint caused by fuel consumption. (a) (i) Calculate the carbon footprint for octane, $ C_{8}H_{18} $, in terms of kg $ CO_{2} $ produced per kg of octane burned. (ii) State a reason wh…
Carbon disulfide, $ CS_{2} $, undergoes gas phase hydrolysis according to the overall equation $$ \mathrm{CS}_{2}(\mathrm{g})+2\mathrm{H}_{2}\mathrm{O}(\mathrm{g})\rightleftharpoons\mathrm{CO}_{2}(\mathrm{g})+2\mathrm{H}_{2}\mathrm{S}(\mathrm{g}) $$ (a) (i) Calculate the enthalpy…
Chloroquine is a medication used to prevent and treat malaria. (e) Chloroquine can be synthesized by reacting 4,7-dichloroquinoline with another reactant, B. (i) Deduce the structure of $ \mathbf{B} $. [2] (iii) Annotate the Maxwell–Boltzmann distribution curve showing the activa…
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