I need this chemistry question fast. anyone willing to help? please?

Chemistry
Tutor: None Selected Time limit: 1 Day

a single 3.0mm porous bead can have a surface area of 1.0*10^6 cm^2. If a car has two catalytic converters, each with 5.0*10^3 beads, calculate the surface area of the two catalytic converters in km^2.

Jan 15th, 2015

  1. Calculate number of total beads in both converters : 5000 beads x 2 = 10000 beads total

  2. One bead has 1.0 x 10^6 cm^2,

Thus, total surface area is 1.0 x 10^6 cm^2 x 10000 beads = 1.0 x 10^10 cm^2

  1. You are asked to give an answer in km^2.

1cm^2 = 1.0e^-10 km^2

Thus, 1.0 x 10^10 cm^2 x 1.0e^-10 km^2 / 1 cm^2 = 1 km^2

Final answer is 1 km^2


Jan 15th, 2015

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Jan 15th, 2015
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