Compute for each the area per capita in acres and hectares. 6. The volume of a d

Question

Compute for each the area per capita in acres and hectares. 6. The volume of a drop of water is O.05 cm3 There are 3.34x1022 molecules of water in a cm3 6.1 How many molecules of water are there in a drop of water? 6.2 A grain of sand takes up approximately 50 nanoliters (5x10-5 cm3). If I had as many sand grains as I do water molecules in a drop of water (computed above), how much volume, in m3, would the sand take up? There are 1x106 cubic centimeters in a cubic meter. 6.3 The largest building in the world, by volume, is Boeing's Everett Factory in Washington State. Its volume is 13,385,378 m3. With the volume of sand calculated in 6.2 above, how many of these Boeing factories could you fill with the sand? There are a lot of molecules in a single drop of water!!!

Explanation / Answer

6.1)

Answer

1.67×1021 molecules

Explanation

water molecules per cm3 = 3.34×1022

     Volume of drop = 0.05cm3

   No of water molecules in the drop = (3.34×1022/1cm3)×0.05cm3 = 1.67×1021molecules

6.2)

Answer

8.35×1010m3

Explanation

Volume of sand grain = 5×10-5cm3

No of sand grain = 1.67× 1021

Volume of sand = 1.67×1021 × 5×10-5cm3 = 8.35×1016cm

1m3 = 1×10-6 cm3

8.35×1016cm3 = 8.35×1016×10-6 m3 = 8.35×1010m3

6.3)

Answer

6238.15 factories

Explanation

Volume of sand = 8.35×1010m3

Volume of factory = 13385378m3

No of factories could fill = 8.35×1010m3/13385378m3 = 6238.15factories

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