Multiple ChoiceA cube has sides of length 3 nm. What are the surface area and volume of the cube?67views
Multiple ChoiceIf the atomic radius of aluminum is 0.143 nm and aluminum crystallizes in a face-centered cubic (FCC) structure, what is the volume of its unit cell in cubic meters?70views
Multiple ChoiceA copper wire (density = 8.96 g/cm3) has a diameter of 0.32 mm. If a sample of this copper wire has a mass of 21.7 g, how long is the wire?5692views6rank2comments
Multiple ChoiceIf the density of a certain spherical atomic nucleus is 1.0 x 1014 g/cm3 and its mass is 3.5 x 10-23 g, what is the radius in angstroms? (Å= 10−10 m)3533views7rank2comments
Textbook QuestionCalculate the volume in liters of a rectangular object with dimensions 13.0 cm * 11.0 cm * 12.0 cm. (a) 1720 L (b) 1.72 L (c) 14.3 L (d) 2.41 L824views
Textbook Question(a) Three spheres of equal size are composed of aluminum (density = 2.70 g/cm3), silver (density = 10.49 g/cm3), and nickel (density = 8.90 g/cm3). List the spheres from lightest to heaviest.834views
Textbook Question(d) A cubic piece of metal measures 5.00 cm on each edge. If the metal is nickel, whose density is 8.90 g/cm3, what is the mass of the cube?1450views1rank
Textbook Question(c) A spherical ball of lead has a diameter of 5.0 cm. What is the mass of the sphere if lead has a density of 11.34 g>cm3? (The volume of a sphere is 14>32pr3, where r is the radius.)737views
