Prac Report-Precipitation

Finally ensure that your results are accurate. You should have a light blue precipitate remaining when the sodium carbonate reacts with the copper chloride and when sodium sulphate ionises with copper chloride no precipitate should have formed.

For example, silver nitrate formed a white precipitate when it was tested with ammonium chloride. In contrast, unknown 3 did not formed any precipitate with ammonium chloride. Ammonium chloride change the color of unknown 3 to a light green while the solution of silver nitrate and ammonium chloride was cloudy white solution. Likewise, the metal in unknown 3 could have been Calcium neither. Data and observation shows that calcium nitrate whether formed a white precipitate or did not react at all while unknown 3 formed an orange precipitate. Therefore, silver and calcium are not the two metal present in unknown

-If the copper metal is submerged in the silver nitrate solution then in reaction, a pure, solid (Ag) silver product is created with an excess of (Cu (NO3)2) copper (II) aqueous liquid because a single displacement reaction occurs where the balance equation is then

The lab performed required the use of quantitative and analytical analysis along with limiting reagent analysis. The reaction of Copper (II) Sulfate, CuSO4, mass of 7.0015g with 2.0095g Fe or iron powder produced a solid precipitate of copper while the solution remained the blue color. Through this the appropriate reaction had to be determined out of the two possibilities. Through the use of a vacuum filtration system the mass of Cu was found to be 2.1726g which meant that through limiting reagent analysis Fe was determined to be the limiting reagent and the chemical reaction was determined to be as following:-

There are already mechanisms in place that are used to predict high and low years for weather temperatures and rainfall. In 1997, prior to the El Nino in 1997-1998 (called El Nino 97/98), the scientific community was able to surveil and predict its occurrence, thus giving weather researchers and their science, credibility by the public and those who make decisions. (Below is a historical table of all recorded El Nino events).

In addition, the hypothesis of this experiment was accepted: that if two miscible liquids differ in their boiling points, then it is possible to separate them on the basis of their respective boiling points. Nevertheless, systematic errors occurred while collecting the distillates, and it was difficult to determine the specific time when the ethanol distillate was

Silver: Formula Unit:[Ag(〖NH_3)〗_2 ]Cl_((aq))+2H〖NO_3〗_((aq))→AgCl_((s))+2NH_4 〖NO_3〗_((aq)) Total Ionic Equation:〖Ag^+〗_((aq))+〖〖〖2NO〗_3〗^-〗_((aq))+〖2H^+〗_((aq) ) +〖Cl^-〗_((aq))→AgCl_((s))+2N〖〖H_4〗^+〗_((aq))+2〖〖NO_3〗^-〗_((aq)) Net Ionic Equation:〖Ag^+〗_((aq))+〖Cl^-〗_((aq))→AgCl_((s))

To begin the experiment and start the process of narrowing down the list of twenty-five compounds, a Tollens’ test was performed on the chosen unknown (Unknown #6). In a test tube, 1 mL of 0.3 M AgNO3 was added along with 0.5 mL of 3 M NaOH. To that, 2 M NH4OH was added dropwise until the brown silver oxide precipitate dissolved. After, one drop of the unknown was introduced to the mixture, the tube was shaken and left to sit at room temperature for ten minutes. The predicted silver mirror coloration did not appear indicating a negative test result.

Precipitation- “A reaction that produces an insoluble product upon mixing two solutions.” (Textbook, on page G-10)

It is astonishing how many calculations and work goes into determining the weather each day. Meteorologists read this information and broadcast it to households every night. The weather each day helps determine a region’s climate, but the climate does not determine the weather every day. Meteorology is one of the studies of the atmosphere, and the daily weather helps determine the climate. These are all common terms to most people, but each term carries more meaning than most intend to realize.

This assessment was a sixth grade Earth science meteorology pre-assessment and summative assessment. This assessment included atmosphere, weather, and climate. The specific standard for this summative assessment was “S6E4. Students will understand how the distribution of land and oceans affects climate and weather. a. Demonstrate that land and water absorb and lose heat at different rates and explain the resulting effects on weather patterns. b. Relate unequal heating of land and water surfaces to form large global wind systems and weather events such as tornados and thunderstorms. c. Relate how moisture evaporating from the oceans affects the weather patterns and weather events such as hurricanes.” The purpose of the pre-test

Our mission for this report is to analyze if there is any correlation between temperature and precipitation between two locations for KOA (Kampgrounds of America). The purpose is to give KOA the analysis of this data to help them decide what location will be a better opportunity for the company, but also one that will be profitable. The two locations include Hot Springs, AR and Big Sky, MT. In this report we will discuss the methods used to analyze this data and present a solid discussion about both locations and their potential to become an investment for KOA.

With an average annual total rainfall of 53.1 inches, the six stations examined and their mean rates of precipitation are consistent with the claim that the entire state of Florida receives, on average, 54 inches of precipitation annually. Stations like Deland, Inverness, High Springs and Canal Point differed little from the expected mean, while Marathon Shores and Niceville deviated noticeably. This deviation, however, is chiefly explained by the stations’ locations and the patterns of rainfall associated with those positions. For example, Marathon Shore’s aberration is likely due to the fact that the area received comparatively less rainfall during the summer months of June through September with a rather low mean

Coherent precipitation – A precipitation whose crystal structure and atomic arrangement have a continuous relationship with the matrix from which the precipitation is formed .

From the reactions above, the hydroxide ions (OH-) that will be generated from the compounds will cause a change in pH of the water to becoming more basic. This then causes the Al(OH)3, Fe(OH)2 or Fe(OH)3 to form an insoluble precipitate along with