What’s on the Formula Summary poster
A 11-row table: Quantity · Formula.
The equations that recur across every module.
- Moles from mass — n = m ÷ M
- Concentration — c = n ÷ V
- Ideal gas — PV = nRT
- Heat energy — q = mcΔT
- Enthalpy — ΔH = −q ÷ n
- Gibbs energy — ΔG = ΔH − TΔS
- pH — pH = −log[H⁺]
- Rate — rate = k[A]^m[B]^n
- Arrhenius — k = Ae^(−Ea/RT)
- Beer-Lambert — A = εcl
- Percentage yield — (actual ÷ theoretical) × 100
R = 8.314 J K⁻¹ mol⁻¹. Temperature always in kelvin. ΔS in J K⁻¹ mol⁻¹ while ΔH is in kJ mol⁻¹.
Questions about the Formula Summary poster
- What’s on the Formula Summary poster?
- A 11-row table: Quantity · Formula. The equations that recur across every module. Moles from mass — n = m ÷ M; Concentration — c = n ÷ V; Ideal gas — PV = nRT; Heat energy — q = mcΔT; Enthalpy — ΔH = −q ÷ n; Gibbs energy — ΔG = ΔH − TΔS; pH — pH = −log[H⁺]; Rate — rate = k[A]^m[B]^n; Arrhenius — k = Ae^(−Ea/RT); Beer-Lambert — A = εcl; Percentage yield — (actual ÷ theoretical) × 100. R = 8.314 J K⁻¹ mol⁻¹. Temperature always in kelvin. ΔS in J K⁻¹ mol⁻¹ while ΔH is in kJ mol⁻¹.
- Who is the Formula Summary poster for?
- Formula Summary belongs to the Chemistry section rather than to a school year, because physical science is not something one grade owns. Anyone learning calculations can pin it up — a beginner, a student mid-course, or someone revising years later.
- When should you use the Formula Summary poster?
- Learn what each symbol means and the units. Most errors are unit errors. A wall chart earns its place by being glanceable from where the work is happening, so Formula Summary belongs on the wall where that physical science work actually happens, within glancing distance, rather than filed away.
- What other posters go with Formula Summary?
- Atom Economy, Concentration and Dilutions sit alongside Formula Summary in the Chemistry section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Atom EconomyConcentrationDilutions
- Is the Formula Summary poster free to download and print?
- Yes. Formula Summary downloads as a free PDF with no account, no email and no watermark, like everything else in the Chemistry section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
- What size does the Formula Summary poster print at?
- Formula Summary is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Formula Summary loses nothing.Printing guide
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