Q: Gold has an atomic mass of 197 amu. If a golden sphere has a diameter of 0.10 m, how many atoms does it contain? A: In order to determine what volume ( V ) is occupied by the sphere, we must obtain a value for the sphere’s radius ( r ). Fortunately, the radiusContinue reading “SOLIDS: Determining the Mass of a Golden Sphere”
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CHEMISTRY: What Quantity Does a Mole Describe?
CHEMISTRY 101: WHAT IS A ” MOLE “? HOW DOES THE QUANTITY DESCRIBED AS BEING A ” MOLAR ” QUANTITY CONNECT THE INVISIBLE SUBATOMIC WORLD TO THE VISIBLE WORLD? A balanced chemical equation is representative of a chemical reaction ( RXN ). For example, water is known to be made of two hydrogen ions +Continue reading “CHEMISTRY: What Quantity Does a Mole Describe?”
RENAISSANCE PHYSICS 