7. To properly measure liquids you read from the bottom of the meniscus which is the slightly concave surface of the liquid.…
3. Use a Potato Borer and cut out 6 potato cylinders. (Do not include any skin on the cylinders.)…
In this experiment you will learn the techniques for using several pieces of laboratory equipment…
Procedure: I used a variety of scientific tools such as; a ruler, beaker, graduated cylinder,…
PURPOSE: The purpose of this experiment is for the students to get a better knowledge with the laboratory tools and techniques. This experiment taught me how to convert between SI units and standard American units of mass, length, temperature, volume and time as well as how to measure the units. Students become proficient in laboratory techniques such as measuring temperature and volume and calculating within them.…
Look at the riders on your balance. These will be used for balancing the weight of an object on the balancing pan. One is 100 grams, one is 10 grams and one is 1 gram.…
Students follow a water displacement procedure for volume. A fifty milliliter graduated cylinder is filled to any mark, measured by looking at the meniscus, the lowest part, of the water line. The student then takes one of the metals used in the experiment and slides the metal into the cylinder by tilting the graduated cylinder. The meniscus is measured again, before and after results are calculated.…
Remove the fruit and make the water up to the mark with water from a measuring cylinder. The volume of water added is the volume of the fruit.…
For this experiment we had to work in pairs. First we assembled an apparatus with a flask, buret and a leveling bulb all attached with plastic tubing. Fill the plastic tubing with room temperature water through the leveling bulb until both are full.…
In this experiment, my goal is to determine the affect of temperature in the solubility of a solid in a liquid.…
When a mass m attached to a string is whirled round a horizontal circle of radius r, the centripetal force for maintaining the circular motion is given by F = m(2r , where ω is the angular velocity of the circular motion. The centripetal force is provided by the tension of the string.…
When you read a scale on the side of a container with a meniscus, such as a graduated cylinder, it's important that the measurement accounts for the meniscus. Measure so that the line you are reading is even with the center of the meniscus. For water and most liquids, this is the bottom of the meniscus. For mercury, take the measurement from the top of the meniscus. In either case, you are measuring based on the center of the meniscus.…
Pipet 5mL of each liquid one at a time and place in weighing boat on balance. Record the volume and mass of each.…
The purpose of this experiment is to investigate the measurement of the actual volume contents of volumetric glassware. If there is a slight variation in this instrument, it would cause systematic error and thus, the accuracy of results of an experiment or investigation would be affected.…
Volumetric glassware is used to accurately measure volumes. Despite all of the tools and instruments available for the use of measuring values of various data, it is impossible to measure the true value of anything. This experiment is intended to develop a person’s capacity to handle volumetric glassware. One must understand how to handle volumetric glassware to acquire the best possible data from the equipment used in lab. Although the instrument may measure a given sample, the value may need to be altered due to various conditions. However, with practice and experience, we can reach very close to the true value, gaining the ability to measure with both high accuracy and precision.…