Crime and Criminal Justice Essay

Crime and Criminal Justice Essay Crime and Criminal Justice Essay Equipment needed in Chapter 11 Beaker- The use of the beaker is to hold and pour liquids. They can also be used to heat liquids. It is really just a round glass container with a flat bottom. They come in many sizes, from tiny ones that only hold 10 mL to giant ones that hold many liters. Dropper- Medicine droppers are useful devices for distributing small volumes of liquid. Electronic Scale- It will calculate weight in grams, onces and pounds depending on the settings. They come in various sizes depending on what your weighting. Erlenmeyer Flask-Erlenmeyers are used in chemistry labs for titration. An Erlenmeyer flask, also known as a conical flask, is a widely used type of laboratory flask which features a flat bottom, a conical body, and a cylindrical neck. Filter Paper-It is an absorbent paper, which is used to separate small particles from liquids. Cylindrical Graduate-A graduated cylinder is a piece of laboratory glassware used to accurately measure out volumes of chemicals for use in reactions. They are generally more accurate and precise for this purpose than beakers or Erlenmeyer flasks, although not as precise as a volumetric flask or volumetric pipet. They come in a variety of sizes for different volumes, typically 10 ml, 25 ml, 50 ml, or 100 ml and up to as large as 1 or 2 liters. Determine the volume contained in a graduated cylinder by reading the bottom of the meniscus at eye level. Conical Graduate-Actually, a conical graduate is more commonly used for