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Chapter 18: Q. 5 (page 511)
How many moles are in a 2.0 cm * 2.0 cm * 2.0 cm cube of
copper?
The solution gives the description of moles of copper.
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An element in its solid phase has mass density 1750 kg/m3
and number density 4.3
A surveyor has a steel measuring tape that is calibrated to be 100.000 m long (i.e., accurate to) at . If she measures the distance between two stakes to be 65.175 m on a day, does she need to add or subtract a correction factor to get the true distance? How large, in mm, is the correction factor?
The atomic mass number of copper is . Assume that atoms in solid copper form a cubic crystal lattice. To envision this, imagine that you place atoms at the centers of tiny sugar cubes, then stack the little sugar cubes to form a big cube. If you dissolve the sugar, the atoms left behind are in a cubic crystal lattice. What is the smallest distance between two copper atoms?
What is the temperature in F and the pressure in Pa at the triple point of (a) water and (b) carbon dioxide?
A hollow aluminum sphere with outer diameter 10.0 cm has a
mass of 690 g. What is the sphere’s inner diameter?
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