In the SI system, what is the prefix corresponding to ten times the base unit?

A. deka
B. hecto
C. kilo
D. mega


Answer: A

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In tunnel-form construction, is the formwork for vertical elements (walls) and horizontal elements (floors and roof) made of: (i) one component or (ii) two separate components?

What will be an ideal response?

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(a) Make the actual calculation for the Madelung, or attractive energy term, of the Born equation for the NaCl lattice using the cgs system.    Give your answer in k?cal per mol and compare it with the value in Table 3.2.

(b) Also give your answer in joules per mol.

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Slabs that must meet superflat specifications are finished with _____

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