Solid state Questions and Answers

Which of the following is an example of a solid? Iron rod
Physical Chemistry
Solid state Solutions
Which of the following is an example of a solid? Iron rod Ice Diamond All of the choices
Iron sulfide has a _ melting and boiling points. fixed
Physical Chemistry
Solid state Solutions
Iron sulfide has a _ melting and boiling points. fixed variable fixed and variable, respectively fixed or variable
How do colloids differ from suspensions? A colloid particle
Physical Chemistry
Solid state Solutions
How do colloids differ from suspensions? A colloid particle is crystalline, while a suspension particle is amorphous. A colloid particle is smaller than the ones found in suspensions. A colloid
An element crystallises in cubic lattice with the lattice
Physical Chemistry
Solid state Solutions
An element crystallises in cubic lattice with the lattice constant 4.0 A. Which of the following should not be the permissible atomic radius of element according to Bravais Lattices 20 A √2A √3A 2√2A
16.2 g of an ionic solid (100% dissociated in water) is
Physical Chemistry
Solid state Solutions
16.2 g of an ionic solid (100% dissociated in water) is dissolved in 1L water. The osmotic pressure at 27° C for the solution is 60 R(R is universal gas constant). Assume the density of cubic unit
A solid calcium boride CaBx has a density of 2.45 g/cm³. It
Physical Chemistry
Solid state Solutions
A solid calcium boride CaBx has a density of 2.45 g/cm³. It has a primitive cubic lattice with an edge length equal to 415 pm and with one calcium atom per unit cell. What is the value of x? (1 pm =
Metallic strontium crystallizes in a face-centered cubic
Physical Chemistry
Solid state Solutions
Metallic strontium crystallizes in a face-centered cubic lattice. The volume of the unit cell is 2.25*108 pm³. What is the density of strontium metal in g/cm³? (1 pm = 10-12 m) 4.53 g/cm3 0.648 g/cm3
Which of the following statements about solid copper, with a
Physical Chemistry
Solid state Solutions
Which of the following statements about solid copper, with a face-centered cubic unit cell, is incorrect? There are two atoms per unit cell. The length of a face diagonal is four times the radius of
Our bodies sweat so that energy from our body can be used to
Physical Chemistry
Solid state Solutions
Our bodies sweat so that energy from our body can be used to change the liquid into gas. This reduces the energy inside our body and therefore lowers our body temperature. This is one way our body is
Solid calcium occurs as either cubic closest packing or
Physical Chemistry
Solid state Solutions
Solid calcium occurs as either cubic closest packing or hexagonal closest packing. What is the most significant difference between these two structures? A) The placement of layers of calcium atoms B)
Classify the following solids as molecular, ionic, or
Physical Chemistry
Solid state Solutions
Classify the following solids as molecular, ionic, or atomic: Kr (s) H₂O (s) I2 (s) Si (s) KI (s)
The conductivity of intrinsic semiconductors, such as silicon and germanium, can be increased when small amounts of group 3A or group 5A elements are added, a process called doping.
Physical Chemistry
Solid state Solutions
The conductivity of intrinsic semiconductors, such as silicon and germanium, can be increased when small amounts of group 3A or group 5A elements are added, a process called doping.