QCAA Chemistry Formula Sheet Explained (2025 Formula and Data Book)
The QCAA Chemistry formula sheet, formula booklet or data booklet is officially the Chemistry 2025 formula and data book. This independent interactive reference covers its equations and key constants, while the official PDF remains the source for full periodic, electrochemical, solubility, organic and spectroscopy tables.
Independent study resource: Sylligence is not affiliated with or endorsed by QCAA. Check the official PDF before an assessment because QCAA can update supplied materials.
Open the official Chemistry 2025 formula and data book.
Constants, conversions and data processing
Chemical and physical constants
Avogadro, Faraday, ideal gas, Kw and water heat-capacity constants
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
STP and molar volume
273 K, 100 kPa; 22.7 dm³ mol⁻¹
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Volume conversions
m³, dm³, cm³ and litres
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Uncertainty and error
range uncertainty, percentage uncertainty and percentage error
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Reactions, energy, gases and solutions
Calorimetry
Q=mcΔT
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Enthalpy
ΔH=Hproducts-Hreactants; bonds broken minus bonds formed
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Moles and percentage yield
n=m/M; experimental/theoretical × 100%
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Ideal gas
PV=nRT
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Concentration
c=n/V
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Rates, equilibrium and acids
Reaction rate
Δ[P]/Δt or -Δ[R]/Δt
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Reaction quotient and Kc
product concentrations over reactant concentrations, raised to coefficients
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Solubility product
Ksp product of dissolved-ion concentrations raised to coefficients
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Water, pH and pOH
Kw=[H⁺][OH⁻]; pH=-log[H⁺]; pOH=-log[OH⁻]
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Ka and Kb
weak acid/base equilibrium expressions; Kw=KaKb for a conjugate pair
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Redox and chromatography
Standard cell potential
E°cell=E°reduction-E°oxidation
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Electrolysis charge
q=n(e⁻)F; q=It
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Retention factor
Rf=solute distance/solvent-front distance
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
How to use this Chemistry formula reference
- Search by topic, formula name, symbol or use case.
- Expand the equation and check every symbol and unit.
- Attempt a question without the explanation open.
- Use the common-mistake prompt to check your working.
Read free Chemistry notes and start practising free.
Questions about the Chemistry formula book or booklet
What is the QCAA Chemistry formula sheet called?
QCAA calls it the Chemistry 2025 formula and data book. Formula sheet, formula booklet and data booklet are common student names.
Does this page reproduce every Chemistry data table?
No. It explains equations and key constants. Open the official QCAA PDF for the complete data tables.
What should I still learn if the formula book is supplied?
You still need concepts, balanced equations, stoichiometric reasoning, equilibrium setup, conversions and data interpretation.
Source and attribution
Modified from Chemistry 2025 formula and data book, © State of Queensland (QCAA) 2025, licensed under CC BY 4.0. See the QCAA copyright notice. Sylligence added the search, grouping, explanations, symbol definitions and mistake checks.