If I were to give you one atom of gold for every second that has elapsed since the Dinosaurs went extinct 65 million years ago, how much (VOLUME!) gold.

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Presentation transcript:

If I were to give you one atom of gold for every second that has elapsed since the Dinosaurs went extinct 65 million years ago, how much (VOLUME!) gold would you have? Assume the density of the gold is 19.3g/cm 3.

79 Au Argon 197

If I were to give you one atom of gold for every second that has elapsed since the Dinosaurs went extinct 65 million years ago, how much (VOLUME!) gold would you have? Assume the density of the gold is 19.3g/cm Au Argon 197

If I were to give you one atom of gold for every second that has elapsed since the Dinosaurs went extinct 65 million years ago, how much (VOLUME!) gold would you have? Assume the density of the gold is 19.3g/cm Au Argon 197

If I were to give you one atom of gold for every second that has elapsed since the Dinosaurs went extinct 65 million years ago, how much (VOLUME!) gold would you have? Assume the density of the gold is 19.3g/cm Au Argon Using the formula V = m/D to solve but you need to find m. 2.First convert 65 million years into seconds: 3.Seconds = the number of atoms of gold you have. 4.You then convert Atoms to moles using Avogadro's number. 5.You then convert moles to grams using the molar mass of gold. 6.Plug the mass value (grams) into the formula and solve. 1.Using the formula V = m/D to solve but you need to find m. 2.First convert 65 million years into seconds: 3.Seconds = the number of atoms of gold you have. 4.You then convert Atoms to moles using Avogadro's number. 5.You then convert moles to grams using the molar mass of gold. 6.Plug the mass value (grams) into the formula and solve.