The data both supports and disproves the hypothesis, which was “The gobstoppers will not change in color nor will the liquid change color over time of the experiment in the different liquids”. This is because for both the Sprite and water the liquid changed in color, along with the gobstoppers within them. The gobstoppers either got lighter in color or changed in color, and the liquid changed into the original color of the gobstoppers, or something close. For Sprite trial 1 the liquid color for red went from clear, to pinkish, to red, back to pinkish, then to light orange, and finally ending with orange. For Sprite trial 2 it went from red to orange. For Sprite trial 3 it started at clear and then went to red, and then to pinkish. For Sprite trial 1 the red gobstopper color went from red, to orange, to whittish orange, back to orange, and then finally to dark orange. For Sprite trial 2 it started at red, then went to whitish pink, to yellow, to light orange, and then orange. For Sprite trial 3 the red gobstoppers color went from red, to light red, to orange, to white orange. For Sprite trial 1, for the green part of the liquid, it went from clear to green. Then for the Sprite trial 2, it started at green and went to whitish green and ended with yellow. Then in Sprite trial 3, it went from green to a darker green and then to a light green. Then for the green gobstopper in Sprite trial 1, it started at green and then became a whitish green and ended with a white. Then for the Sprite trial 2 it began with green, then went to a yellow, to whitish yellow, back to yellow, to yellowish green, and finally ended with yellow. Sprite trial 3 …show more content…
We had 3 full trials for the Sprite, but only had one full trial for the water and the corn syrup. To get enough data you need to have a minimum of 3 full trials with similar data. Only one of our experiments had the full three, and that’s why we don’t have enough of the
Question 4: List the 3 errors; • Adding too many drops of NaOH at the same time would affect the results because we can’t determine the exact equivalent point when the color changed. The results won’t be accurate and that will affect all the data that are dependent on the amount of NaOH to titrate. • Other error could be the hardness to notice a color change; we always use a white paper under the flask to determine when the color changes right away. And if we don’t use the white paper it will be hard to determine the color change and the amount of NaOH that was used to titrate it. • Also other source of error could be by not rising the burette with NaOH before we fill up with it, or it maybe they were rinsing it with a lot of NaOH which could affect the data recording for NaOH amount of titration.
Step 2: Create a 95% Confidence Interval for the ounces in the bottles. Answer: x ̅=14.87 ,s=0.5503 , n=30 , α=0.05 The level of confidence is at 95%. Use the following formula to determine the confidence interval: (x ̅-t_(α/2) (s/√n),x ̅+t_(α/2) (s/√n))
In Albert Ronstadt‘s Rocky Mountains, Lander‘s Peak, he uses primary colors, blue for the sky and yellow for the grass and animals. He mixes the blue and yellow to create the secondary color green to paint the trees, grass, and in some of the Hilltops. He uses cool colors for the sky. I see tint in middle and on top of the mountains. To make the dark areas he shades them.
Highlighter yellow pops in, as a thick magenta slowly drips its way onto the walls. A bright green finally twists it’s way in, and the colors are in equilibrium as they join and twirl on the
A lot of lesson in this experiment, one is that people like different flavor of gum for different reasons, and two not all Gums are the same. Our possible source of error is that we could
observations ½ tab 17.9 55.30 1 ½ tab divided in 2 pc. 19.5 49.37 The pieces of alka-seltzer were drawn to each other in the cup ½ tab divided n 3 pc. 20.8 37.24 The pieces of alka-seltzer were drawn to each other in the cup ½ tab 19.4 52.01
These color changes indicate a chemical change, which show that a reaction had occurred. In the first step when o-vanillin and p-toludine, imine was formed. The color change from green to orange suggests that imine appears as orange colored. In the second step, the addition of sodium borohydride reduced the imine into another derivative, which was yellowish lime color. The solution turned clear when acids and anhydrides was added, which indicated the precipitate were dissolved.
Chromatograms where made for the known FD&C and for the three Kool-Aid samples. The retention factor for each dye was calculated. F or each of the Kool-Aid flavors, 2.0 g was weighed out from the packet and 5mL of water was mixed in with them each. mL of 0.1% NaCl solution was added to 100mL of bottled water. The six chromatography strips
3. In this experiment, the percent yield was 90%. This number implies that there was little error in this experiment. However, this result could have been caused by certain external factors.
In this lab we used two processes called Diffusion and Osmosis. Diffusion is the movement of molecules from areas of high concentration to areas of low concentration. Diffusion is a process that requires no energy and involves smaller non-polar molecules. In Figure 1 you can see the molecules spreading throughout the glass from the area of high concentration, so that the areas with low concentration are filled evenly as well. The other process was osmosis.
Title: How Ph Levels Affected the Fermentation of Beer Hypothesis: The beer will be left with more sugar deposit as the Ph levels increase because alpha/beta -amylase will no longer function. Predictions: Alcohol Percentage Analysis for the Control and the Experimental During this experiment, the pH level was increased, therefore Alpha-Amylase was favored. Due to the nature of Alpha-Amylase cutting randomly through a large carbohydrate molecule, it leaves bigger sugars in the flask, which cannot be digested by yeast. Due to this, less reactions should occur in the experimental, therefore leading to a lower percentage of alcohol production, compared to the control.
The actual data is the result on our experiment vs theoretical, which is based on the calculations above. I have also learned to pay more attention to draining out all of the product completely before continuing to test the experiment, as any small drop of contaminant can veer our results into a different
Due to the unaccountability of the inconsistency in droplet size, many of the numbers may be varied because in one trial a huge droplet may count as one, but in another trial, I may have counted a small droplet as one, which causes results to possibly be
Through the titration process, we are able to identify physical changes to the mixture such as the colour change to indicate the end point of the experiment. For example, the colour changes of phenolphthalein from colourless to pink and methyl orange from red to orange and subsequently yellow. Acids produce hydrogen ions and bases produce hydroxide ions. This causes the indicator to change colour due to the colour difference from the undissociate molecules.