Carboxylic test 1. stearic acid 2. acetic acid 3. benzoic acid   the three different sample was subjected to a sodium hydroxide test. which among the three samples produces a homogenous mixture and why? if there are samples that doesnt show a homogeneous mixture then what is their reaction? support your answer by explaining briefly.

Q: 5 of 8 You may want to reference (Pages 375 -376) Section 11.4 while completing this problem. I…

A:

Q: Imagine that you perform a combination reaction between 60.0 g of sodium metal (Na) with 10.0 g of…

A:

Q: If you would have experimentally achieved a 100% yield, what mass of excess reactant would have…

A: We have to find the excess reagent amount

Q: Why does the money bill in the burning money experiment is supposed not to burn or become ashes?

A: Interpretation:  To explain the money bill in the burning money experiment is supposed not to burn…

Q: wo clear solutions are mixed and a yellow color appears. After letting it sit for 10 minutes the…

A: Chemical Change: When bonds between molecules or atoms are broken and/or formed, chemical changes…

Q: Questions and Problems (May be assigned before or after the experiment, depending on your…

A: It was observed that upon mixing of the clear liquid and of the white solids, the flask holding the…

Q: Fill in the following table with either the chemicals formed or no reaction upon mixing each pair of…

A: We have to fill the table.

Q: chemical score?

A: The chemical score is the content of essential amino acid present in the nutrition. It also tells…

Q: How important is identifying chemicals and Laboratory apparatuses used in an analysis?

A: You should always know your lab equipment well before you do any type of experiment because without…

Q: Why powdered sugar will dissolve fastest in warm water compare to granulated sugar and cubed sugar?…

A: The homogeneous mixture of two or more substances is known as a solution. The substance present in a…

Q: Drag conversion units onto the boxes in the equation to make conversions. Some boxes can be left…

A:

Q: For every one Baking Soda Molecule,how many carbon dioxide molecules are  generated in the reaction…

A: Banking soda (sodium hydrogen carbonate, NaHCO3 ) is a salt of a strong base (NaOH ) and a weak acid…

Q: When we need sample preparation for analysis? use your own words to write

A: 1) Preparation is a very important step in most analytical techniques because the techniques are…

Q: Gravimetric analysis of chloride salts. This experiment illustrates the concept of stoichiometry.…

A: Stoichiometry can be defined as the quantitative balance between the reactants and products with the…

Q: In each test, iron(II) sulfate and iron(III) nitrate were combined with the same substance or…

A: In each test, iron(II) sulfate and iron(III) nitrate were combined with the same substance or…

Q: What are the storage rules of chemicals.

A: Storage rules of chemicals:      All chemical containers should be labeled fully.      Chemicals…

Q: What are the types of errors (and their characteristics) in a chemical analysis?

A: There are different types of error which are recorded during chemical analysis  and they affect the…

Q: What is the sum of the coefficients of reactants and products for the dehydration equation of nickel…

A: Given,  The sum of the coefficients of products and reactants in the dehydration equation of nickel…

Q: Students are given samples of unknown chemical compounds. The samples could be ionic, molecular,…

A: Experiment -1 Solubility in water: Ionic compound are soluble and molecular compounds are insoluble.…

Q: What is the purpose of the acetic acid experiment?

A: We have to discuss about the purpose of acetic acid experiment.

Q: What would be the Balanced equation for this experiment

A: A question based on introduction to organic chemistry that is to be accomplished.

Q: evidence that a chemical reaction took place?     a.A solid substance glows cherry red when…

A: A chemical reaction is the one in which  reactants convert into products. Types of Chemical…

Q: What are two evidences that would indicate that a double replacement reaction occurred?

A: Double displacement reaction : It involves the exchange of cations and anions of the reactants.…

Q: What happens to the rate of reaction which uses water as a solvent, is diluted (using water)? It…

A: To find: The effect on the rate of the reaction on dilution?

Q: "Carbon dioxide gas and liquid water are produced when gaseous carbon tetrahydride reacts with…

A: Combustion reaction is a type of reaction in which a compound reacts with oxygen to form the desired…

Q: what are the possible errors that could be encountered during the analysis?

A:

Q: What is chemical reactions and it's type

A: The reaction between the reactants leads to the formation of the products. The new products are…

Q: Table 10.2 Samples Placed in Water (data) Sample Dialysis tubing containing sugar solution ass…

A: Osmosis is the process by which net movement of solvent into from a lower solute concentration to…

Q: A pair of students were mixing aqueous chemical solutions in a the Classes of Chemical Reactions lab…

A: 1. Acid-Base reactions 2. Precipitate reactions 3. Redox reactions 4. Decomposition reactions   In…

Q: 3. Considering the techniques and instrumentation used to perform these experiments, identify 2…

A: A Calorimeter is a device that can be used to measure heat flow. it must be well insulated in order…

Q: 3. Place a piece of magnesium ribbon at the end of a glass tubing. Ignite it in the Bunsen flame. a.…

A: Given: a piece of magnesium ribbon is burnt by bunsen flame

Q: Purpose: This is the object or rationale for doing the experiment. It is what you are trying to…

A: To determine for each of the phrase below, whether they are a part of the purpose or part of the…

Q: C. The lead(II) oxide was weighed before and after the additions. d. - 19 18 17 16 before 9 15 ii.…

A: c. Mass of lead(II) oxide is added to dilute nitrile acid is (18.2 g - 14.4 g) = 3.8 g.   d. i)…

Q: Suppose that in a gravimetric analysis, you forget to dry the filter crucibles before collecting…

A: Qualitative analysis is a branch of chemistry that deals with the identification of elements…

Q: QUESTION 3 After you complete the second step, you will be left with a clear colorless liquid. What…

A: As you have asked two questions, I will give answer to the first one.

Q: 4.Determine the type of assay employed for this substance: ZINC OXIDE 5.The solvent used in making…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Why Cubed sugar will dissolve slowest in warm water compare to granulated sugar and powdered sugar?…

A: The homogeneous mixture of two or more substances is known as a solution. The solution is made from…

Q: c. The lead(II) oxide was weighed before and after the additions. d. 19 18 17 16 before 9 15 ii.…

A: Given: The balance before shows 17.8 g and the balance after shows 13.6 g. To find: Mass of lead…

Q: Name the following Fe(NO3)2

A: The compound formula represents the number of atoms in a molecule or in a compound. The given…

Q: When we need sample preparation for analysis? Explain.use your own words to write

A: Sample preparation is a very important part of analytical chemistry. Analytical chemistry is one of…

Q: silver nitrate Express your answer as a chemical formula. ΑΣφ ? A chemical reaction does not occur…

A: Different types of inorganic compounds or Molecules have different formulas. Which based on…

Q: A precipitate is a... A. a solid that forms when two liquids are mixed B. iquid that forms when two…

A: The definition of precipitate is to be complete with given statements. Given:   A precipitate is…

Q: How are halogens in an organic sample identified? Describe at least two methods for detecting…

A: Lassaigne and Beilstein's tests  are used to check, is there any halogen atom present in an unknown…

Q: Refer to the attached photo for the following question If bromine water is further added to the…

A:

Q: A 1.63-g sample of metal sulfate, Mx(SO4)y, is dissolved in water, acidified with HCl, heated, and…

A: 1. Barium sulfate formed = 3.33 g Molar mass of barium sulfate ( BaSO4 )  = 137.33 g/mol + 32 g/mol…

Q: Table 2. Qualitative Analysis of Group V Cations Result/ Observation Group V Confirmatory Substance…

A: In the qualitative inorganic analysis, the cations and anions present in an inorganic salt can be…

Q: 01 - 10 11 12 13 14 15 16 17 18 19 20 21- 25 Question 13 A solution of silver nitrate is mixed with…

A:

Q: If you are to compare decantation and filtration as separation processes, which do you think is more…

A: Filtration is method to separate a mixture of a solid in a liquid or a solid in a gas.

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.