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Perhaps….some day the precision of data will be brought so far that the mathematician will be able to calculate at his desk, the outcome of any chemical combustion, in the same way, so to speak, as he calculates the motion of celestial bodies.
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11 Sep 2026
The importance of using clear English in IB chemistry
Why using clear English is important when communicating in chemistry. This blog gives examples of two past IB questions where the language used to phrase the questions can lead to different interpretations...
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Subscriber comments
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That is a fair point, SusanAs temperature increases, the rate increases; the largest contributor to this change, by some margin, is the shift of the Maxwell-Boltzmann curve, which increases the probability of successful collisions...
R2.2 Rate of reaction & collision theory -
Hi Austin, As Paul has already said your comments are very valid. I've altered the question so that it only refers to very weak acids and given some more detail in the answer. Thank you for your input.
MC test: R3.1 (AHL) pOH, Ka, Kb, pKa and pKb -
Thanks for the suggestion. I've considered comparing two approaches for other experiments but hadn't for kinetics.
Internal Assessment
Demet
Thank you!
R3.1 Neutralization reactions