6 theoretical problems 2 practical problems
... On July 1, 2000, the combined tunnel and bridge connecting Denmark and Sweden was officially opened. It consists of a tunnel from Copenhagen to an artificial island, and a bridge from the island to Malmö in Sweden. The major construction materials employed are concrete and steel. This problem deals ...
... On July 1, 2000, the combined tunnel and bridge connecting Denmark and Sweden was officially opened. It consists of a tunnel from Copenhagen to an artificial island, and a bridge from the island to Malmö in Sweden. The major construction materials employed are concrete and steel. This problem deals ...
Worksheet # 1 Solubility and Saturated Solutions 1. Define and give
... The Ksp is a measure of the solubility of an ionic salt. The larger the value of the Ksp, the greater is the solubility of the salt. You can only calculate a Ksp if the solution is saturated. Only saturated salt solutions are in equilibrium. You can calculate the Ksp from the solubility of a salt, s ...
... The Ksp is a measure of the solubility of an ionic salt. The larger the value of the Ksp, the greater is the solubility of the salt. You can only calculate a Ksp if the solution is saturated. Only saturated salt solutions are in equilibrium. You can calculate the Ksp from the solubility of a salt, s ...
THE OVERHEAD PROJECTOR POLARIMETER
... Some chemical compounds, which have asymmetric centers, are said to be optically active because they rotate plane polarized light. An apparatus called a polarimeter is used to measure the optical activity of solutions of chemical compounds. It consists of a light source, a polarizing filter (which g ...
... Some chemical compounds, which have asymmetric centers, are said to be optically active because they rotate plane polarized light. An apparatus called a polarimeter is used to measure the optical activity of solutions of chemical compounds. It consists of a light source, a polarizing filter (which g ...
Rotary vacuum-drum filter
Rotary vacuum filter drum consists of a drum rotating in a tub of liquid to be filtered.The technique is well suited to slurries, and liquids with a high solid content, which could clog other forms of filter. The drum is pre-coated with a filter aid, typically of diatomaceous earth (DE) or Perlite. After pre-coat has been applied, the liquid to be filtered is sent to the tub below the drum. The drum rotates through the liquid and the vacuum sucks liquid and solids onto the drum pre-coat surface, the liquid portion is ""sucked"" by the vacuum through the filter media to the internal portion of the drum, and the filtrate pumped away. The solids adhere to the outside of the drum, which then passes a knife, cutting off the solids and a small portion of the filter media to reveal a fresh media surface that will enter the liquid as the drum rotates. The knife advances automatically as the surface is removed.