Answer:
The ancient Greeks believed that there were four elements that everything was made up of earth, water, air, and fire.
Los antiguos griegos creían que había cuatro elementos y que todo estaba compuesto de tierra, agua, aire y fuego.
Explanation:
Answer:
[CaCl₂·2H₂O] = 1.43 m
Explanation:
Molality is mol of solute / kg of solvent.
Mass of solvent = 40 g
Let's convert g to kg → 40 g / 1000 = 0.04 kg
Let's determine the moles of solute (mass / molar mass)
8.43 g / 146.98 g/mol = 0.057 mol
Molality = 0.057 mol / 0.04 kg → 1.43
The Selenium is the element that is likely to be the most brittle
Mitosis makes new cells and replaces the cells that are old, lost or damaged
