Measurement, units and uncertainty
The mole connects the microscopic world of atoms and molecules to measurable laboratory amounts. One mole contains exactly the Avogadro constant number of specified entities.
Start with the nucleus
The mole connects the microscopic world of atoms and molecules to measurable laboratory amounts. One mole contains exactly the Avogadro constant number of specified entities.
The mole connects the microscopic world of atoms and molecules to measurable laboratory amounts. One mole contains exactly the Avogadro constant number of specified entities.
It is chemistry’s counting unit: like a dozen, but designed for unimaginably small objects.
Energy can move between stores and cross a system boundary, but for an isolated system total energy is conserved.
Energy can move between stores and cross a system boundary, but for an isolated system total energy is conserved.