Chemistry: ENERGETICS / THERMOCHEMISTRY Topical Past Paper Questions
IB Diploma Programme Chemistry past-paper questions on ENERGETICS / THERMOCHEMISTRY , free. This topic is frequently examined across 17 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
The Sun, composed mainly of hydrogen and helium, is the main source of energy on Earth. (a) (i) A reaction that occurs in the Sun is the fusion of deuterium, $ {}^{2}H $, with tritium, $ {}^{3}H $, to form helium, $ {}^{4}He $. State the nuclear equation for this reaction. (ii) E…
Carbon disulfide, $ CS_{2} $, undergoes gas phase hydrolysis according to the overall equation $$ \mathrm{CS}_{2}(g)+2\mathrm{H}_{2}\mathrm{O}(g)\rightleftharpoons\mathrm{CO}_{2}(g)+2\mathrm{H}_{2}\mathrm{S}(g) $$ (a) Calculate the enthalpy change in this reaction from section 12…
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 B. [2] (iii) Annotate the Maxwell–Boltzmann distribution curve showing the activation energies…
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