ratio inside and outside of the potato was supported by the data. The data shows that the potato submerged in the lowest concentration of the sucrose water solution had the greatest percent change in mass at 15.2% for 0% concentration. Overall‚ the higher the concentration of the solution‚ the lower the percent change in mass. When the solution concentration is 2.5%‚ the percent change in mass is 6.2%. At 5% concentration‚ the percent change in mass is 2.6%. When the concentration is 7.5%‚ the change
Premium Concentration Chemistry Osmosis
http://www.wellesley.edu/Biology/Concepts/Html/standardcurve.html Tube number Water (ml) Blue Solution (ml) Total Final volume (mL) Concentration (mg/ml) 1 0 5.0 2.5 1 mg/ml 2 2.5 2.5 ml from tube 1 2.5 3 2.5 2.5 ml from tube 2 2.5 4 2.5 2.5 ml from tube 3 2.5 5 2.5 2.5 ml from tube 4 5.0 2. If the solution in tube 1 is dark blue‚ do you expect the solution in tube 5 to be darker or lighter? Lab 6 Protocol Spectrophotometry
Premium Light Chemistry Spectroscopy
purpose is to make money and grow the business for everybody to prosper from. This makes a very delicate struggle between appeasing stockholders and satisfying customers and for the business to determine which side is more important.As stated in the case study the actions taken by Johnson & Johnson were well received by consumer advocates and physician groups within the United States‚ but there was considerable grumbling among financial analysts and fund managers(Hosmer‚ 2011‚ p 126-127). Although
Premium Corporation Customer service Customer
measure of free energy of water in a solution. The purpose of this lab was to find the water potential of a potato cell. The problem of this lab was‚ if there was a high molarity of solute‚ would it have a positive or negative water potential? The hypothesis of the experiment was‚ if there is a high molarity of solute then the water potential would be lower or negative. After obtaining potatoes‚ we cut them into pieces‚ weighed them‚ and then placed them in a solution overnight. In this lab‚ we explored
Premium Chemistry Solution Osmosis
advisable to place a small piece of wire between the funnel and the mouth of the flask during hot filtration? Fluted filter paper is effective in preventing crystal formation in the filter paper. It is also often used in filtering hot saturated solution used during crystallization. One major advantage of a fluted filter is that it increases the speed of filtration. The crisscrossing of the folds help alleviate the pressure to make the flow of filtration faster. The surface are of the filter paper
Premium Filter paper Solvent Filters
Brownian motion This is‚ presumably the random drifting of particles suspended in a fluid (a liquid or a gas) .This movement was discovered and later named after botanist Robert Brown (1773-1858). He was a Scottish botanist and palaeobotanist who made important contributions (including Brownian motion) to botany largely through his pioneering use of the microscope. The scientist who made Brownian motion famous is Albert Einstein‚ who brought the phenomenon to the attention of the larger physics community
Premium Osmosis Semipermeable membrane Solution
HUMAN RESOURCE MANAGEMENT ASSIGNMENT 2 CASE STUDY CASE STUDY 2 Ali’s First Day at Syarikat Zumaju Sdn. Bhd . Ali began his first day at Syarikat Zumaju with some trepidation. It was such a huge place. He had reported to the Administration office was positioned conveniently at the main door. One of the officers there had taken down his personal particulars and sent him straight to the Market Research Department where he was to be employed as a Trainee Officer. When he got there the head of
Premium Office Scientific method Management
------------------------------------------------- ABSTRACT Separation processes by using the application of membrane have become highly demand in various industries. In this newly separation process ‚ the membrane function as a semi-permeable barrier and the separation process occur by the membrane controlling the rate of movement of various molecules between two liquid phases ‚ two gas phases or a mixture of a gas phase and liquid phase. In industries‚ many companies have high demand on both quality
Premium Ultrafiltration Separation process Chemical engineering
I predict that as the temperature is raised the number of molecules that are able to leave the cell and come into the solution will increase‚ however I think that there will be appoint at which the amount of molecules coming out will remain constant. Red beet tissue contains large amounts of betacyanin‚ a red pigment‚ located in the large internal membrane vacuoles. When the membrane is damaged‚ the pigment can cross the vacuole membrane and cell membrane. Since pigment is water soluble and not
Premium Chemistry Cell Measurement
+ CO2 (g) (Imagination Toledo‚ 2017) Once the egg has been separated from its shell‚ the only thing keeping the liquid goo inside is the thin‚ flexible‚ semipermeable membrane. What would happen to naked eggs if they were submerged in different solutions? Before diving into the experiment it is helpful to understand a few terms we will use along the way. Osmosis is the movement of a solvent (as water) through a semipermeable
Premium Water Sugar Acetic acid