This page explains Avogadro's number, 6.02×1023, which quantifies the number of representative particles in a mole, allowing chemists to measure atoms and molecules. It discusses the mol...This page explains Avogadro's number, 6.02×1023, which quantifies the number of representative particles in a mole, allowing chemists to measure atoms and molecules. It discusses the mole as the SI unit for substance amount, with representative particles being atoms for elements and molecules for compounds. Additionally, it mentions National Mole Day, celebrating this key chemistry concept.
This page explains energy as the capacity to perform work or produce heat, detailing kinetic energy as energy due to motion with the formula KE = 1/2 mv², where m is mass and v is velocity. It also de...This page explains energy as the capacity to perform work or produce heat, detailing kinetic energy as energy due to motion with the formula KE = 1/2 mv², where m is mass and v is velocity. It also describes potential energy as stored energy, and notes the joule (J) as the SI unit of energy, with calories as a common alternative unit (1 cal = 4.184 J).
