Water Density Lab

The aim of the experiment was to find out how changing the mass effects the rise of the temperature of water.

Procedure: I used a ruler, thermometer, and scale to take measurements. I used a graduated cylinder, short step pipet, scale, and ruler to determine volume and density. I used a volumetric flask, graduated pipet, pipet bulb, scale, and glass beaker to determine concentrations and densities of various dilutions.

The objective of this experiment was to learn how water displacement affected density. Another objective was to identify the metals used in our experiments. We used a variety of different metals to test their correlation and to find out if it was negative or positive. I did not expect to learn much from this experiment as we had already discussed density in class and learned that water displacement is basically volume so as it increased the density would have decreased had we used metals of the same mass.

I will be doing this experiment to understand density of water compared to the volume of an object. D=m/v=mass/volume

Delivery tube Conical flask Hydrochloric acid Calcium carbonate chips Burette Beaker Electric scales Measuring cylinder Tub Water Electric timer Goggles Retort stand The different factors that can affect my experiment are the temperature, the concentration of my reactants and the

items presently in solid form in the lab kit or purchased separately for this laboratory

The density decreases. Density of the liquid sample is the mass divide by the volume. If the mass stays constant and the volume increases then the density of the liquid sample will decrease.

Abstract: This experiment introduced the student to lab techniques and measurements. It started with measuring length. An example of this would be the length of a nickel, which is 2cm. The next part of the experiment was measuring temperature. I found that water boils around 95ºC at 6600ft. Ice also has a significant effect on the temperature of water from the tap. Ice dropped the temperature about 15ºC. Volumetric measurements were the basis of the 3rd part of the experiment. It was displayed during this experiment that a pipet holds about 4mL and that there are approximately 27 drops/mL from a short stem pipet. Part 4 introduced the student to measuring

The Lab One was done on Laboratory Techniques and Measurements. The first experiment with my Lab partner; we got opportunity to experiment how to conduct measurements in length by using metric conversion. We started in cm units and changed into mm by x10, and moving decimal point x1 to right. To find in meter we moved from cm to meter two decimal points to the left or double check our self divided by 100 and all records in data table 1. The second experiment was to measure temperature of how cold and hot tap water can be by using thermometer in Celsius units. From this experiment, gained knowledge that tab water doesn’t boil to 100 Celsius related to containing different

The Materials that were used to measure the experiment where a pen and paper to record the reactions of the subjects being tested, and the subjects themselves.

The start of the experiment consisted of filling up four beakers with de-ionized water to 150 ml. After the beakers were filled to the appropriate amounts they were then labeled with the

The purpose of this experiment is to determine how salt concentration and density affects floating objects. The control is water not having salt, and the constant variables are the amount of water in each cup and the objects. The independent variable is the amount of salt added in the cup. The dependent variable is the height of the water and the density of the water. Background Research How do objects float on water?

The primary goal was to see if height and density had any correlation. To do the experiment we measured the height and mass of the volunteers carefully, then measure the initial volume of water. Volunteers to enter the water slowly, measure and calculate the volume of each person. We calculated the density of each person by dividing the mass of the human by the the volume of the human (Density = M/V).

The hypothesis is that when cells are put in a solution with a different water potential than inside of them, cells will gain or lose water. If concentration of solution is the same, there will be no change in mass.

The purpose of this experiment was to measure the density of a solid and a liquid using Archimedes principle. Archimedes is one of the greatest inventors and mathematicians of all time. The principle we used in this experiment was discovered when Archimedes stepped into a full bath tub. Using Archimedes principle, we were able to determine the density of a lead rod, water, and an unknown liquid.