Read SI units like a chemist - Physical Chemistry | Zoonk

Read SI units like a chemist - Physical Chemistry | Zoonk

1Lesson 1 of 59

Read SI units like a chemist

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A tight close-up of four identical cards each showing the number “25.0” with a different unit label beneath it: “g”, “K”, “mL”, and “kJ/mol”; emphasize that the same number changes meaning when the unit changes.

A unit gives the number a job

A measurement is not just a number. In chemistry, 25.0 means almost nothing until the unit says whether it is grams, kelvin, milliliters, or kilojoules per mole.