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The Principles of High-Performance Liquid Chromatography (HPLC) and Gas Chromatography (GC) 1. The Basis of Separation

The worksheet is divided into three primary parts designed to build calculation proficiency: chemsheets a2 1079 answers

CH4(g)+H2O(g)⇌CO(g)+3H2(g)cap C cap H sub 4 open paren g close paren plus cap H sub 2 cap O open paren g close paren is in equilibrium with cap C cap O open paren g close paren plus 3 cap H sub 2 open paren g close paren Initial Moles Equilibrium Moles CH4cap C cap H sub 4 H2Ocap H sub 2 cap O 1.4 COcap C cap O 0.6 H2cap H sub 2 1.8 Logic : If COcap C cap O increases by 0.6 moles, H2cap H sub 2 must increase by moles due to the stoichiometry. Exam boards like , OCR , and Edexcel

CH4(g)+H2O(g)⇌CO(g)+3H2(g)CH sub 4 open paren g close paren plus H sub 2 O open paren g close paren is in equilibrium with CO open paren g close paren plus 3 H sub 2 open paren g close paren Exam boards like

from raw experimental data. Exam boards like , OCR , and Edexcel frequently test these multi-step calculations because they require both algebraic accuracy and a deep understanding of Dalton’s Law of Partial Pressures.