Earth's surface area is 5.10x10^8 km^2 .Earth's crust has a thickness (or depth) of 35 km and density 2.8 g/cm^3 for earth's crust. a) Calculate the volume of earth's crust in km^3 b) Express your answer from part (a) in cm^3 c) Calculate the mass of the crust tons (t) : 1 ton=1000kg d) Silicon's concentration in earth's crust is 2.72x105grams/ton. Calculate the mass of silicon (in grams) present in earth's crust.

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Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff
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Chapter8: Earth As A Planet
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Problem 25E: Over the entire Earth, there are 60,000 km of active rift zones, with average separation rates of 5...
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Earth's surface area is 5.10x10^8 km^2 .Earth's crust has a thickness (or depth) of 35 km and density 2.8 g/cm^3 for earth's crust.

a) Calculate the volume of earth's crust in km^3

b) Express your answer from part (a) in cm^3

c) Calculate the mass of the crust tons (t) : 1 ton=1000kg

d) Silicon's concentration in earth's crust is 2.72x105grams/ton. Calculate the mass of silicon (in grams) present in earth's crust. 

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Earth's surface area is 5.10x10^8 km^2 .Earth's crust has a thickness (or depth) of 35 km and density 2.8 g/cm^3 for earth's crust.

d) Silicon's concentration in earth's crust is 2.72x105grams/ton. Calculate the mass of silicon (in grams) present in earth's crust. 

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