A 125 mL flask was obtained. The square of aluminum was fashioned over the flask by laying the foil over the mouth and folding the sides down. A pin was then obtained and was used to poke a tiny hole in the center of the aluminum cap.…
9) Put 4mL of stock solution and 1mL of water in a test tube to make the second solution.…
There are thirty-five combinations of aqueous solutions for you to investigate. (Note Table 1 on the Data Sheet.) Some of these combinations will produce precipitates; others will not.…
2. To determine the densities of water, an unknown liquid, a rubber stopper, and an unknown rectangular solid.…
When the two solutions were mixed together a cloudy, light blue solution formed with white precipitate…
4-6: Why did lung function in the deflated (left) lung return to normal after you clicked Reset?…
Sodium chloride, sodium iodide, and sodium sulfates generally do not form precipitates. One exception in our results with all three of these was when they were each combined with Fe(NO3)3 (iron nitrate) in which all three yielded brown precipitates.…
3. One example would be mixing KCI with KCI, in this case you wouldn’t get a precipitant because you are combining two of the same things. Another example would be combining a metal and a nonmetal, such as NaSo4 and KCl. There was no precipitate.…
When holding test tube inverted over heptane flame, condensation formed against top walls of the test tube. When the burning splint was added the walls of the test tube became less foggy from the condensation formed from the heptane flame.…
The data in the table above was used in the determination of the calculation of metal ions in the samples of both TAP and DI water.…
.2400 grams of the unknown compound. This is done in duplicate and purple-tinted precipitates are placed in Gooch crucibles. The precipitates are suction dried using ethyl alcohol then acetone to…
How do we know which ionic compounds form precipitates and which do not? We can make a large number of mixings involving many different cations and an- ions. By observing the results ... Which anions generally do not form precipitates?…
The lecture explained that the ongoing investigation has shown that predation is the most likely cause of the sea otters decline . There are the following three reasons.…
In the 1800s, slavery was a very important talked about subject matter in politics, economics, and culture. It was such an important aspect of the time period that it was on everyone’s mind, and everyone had an opinion on it. This tore the country in half, and forced the South into secession. Many people wonder if this was legal, but due to the fact that the North had also broken laws and that the lawbook was in their favor, the South was entitled to secession.…
The movie ‘The Truman Show’ was created in 1998 and directed by Peter Weir and written by Andrew Niccol. Truman is living a fake life that he doesn’t know, that is being broadcasted on national television all around the whole world. His best friend ‘Marlin’ makes a point of saying he would never lie to his so-called ‘best friend’ Truman, however he has been lying to him for his whole life. Truman’s wife Meryl has been lying the whole time about their marriage.…