Q: The attached image shows the different amounts and concentrations for an iodide clock experiment, sh...
A: General Steps to be followed: We have to get the final concentration of solutions after mixing cont...
Q: The solubility of rubidium nitrate in water is 150 g/L at 20 degree C. A solution is prepared at 20 ...
A: When maximum solute that can dissolve in a solution, is added to the solution, the solution is said ...
Q: Choosing the right design .reduces corrosion True O False O B.O to PCI5 = 2. True O False O
A: Avoid sharp bends in piping systems and provide thicker sections to reduce impingement effects or co...
Q: Ant bonding Orbital in KOH = 4 True False O Reaction product (Cl2 + Acetylene) is polychloro .compou...
A: KOH is a ionic compound and formed by transfer of electrons.
Q: a Calculate AH for the reaction 2K(s) + 2H20(1) → 2KOH(aq) + H2(g) Substance and State AHf (kJ/mol) ...
A:
Q: 4. aqueous cobalt(III) nitrate reacts with solid zinc to produce aqueous zinc nitrate and solid coba...
A: In multiple questions, we solve only first one according to the Bartleby guidelines. First write dow...
Q: Give the conjugate base of the following Brosted- Lowry acid: ( i ) HIO3 ( ii ) NH4+ Group of ...
A:
Q: For a particular isomer of C,H8, the combustion reaction produces 5099.5 kJ of heat per mole of C,H1...
A: Given-> C8H18 (g) + 25/2O2(g) --> 8CO2(g) + 9H2O(g) ∆H°rxn = -5099.5 KJ/mole
Q: A chemist dissolves 98. mg of pure barium hydroxide in enough water to make up 80. mL of solution. C...
A:
Q: Create a sample word porblem about
A:
Q: CHEMWORK Hexamethylenediamine (C6H16N2) is one of the starting materials for the production of nylon...
A: The given reaction is - - > C6H10O4(l) + 2NH3 (g) + 4H2(g) - - > C6H16N2(l) + 4H2O(l) Here we ...
Q: What number of molecules (or formula units) are present in 2.93 g of each of the following compounds...
A:
Q: OH B A
A: Chemical formula from the given structure A = C5H12O , B = C5H12O
Q: An organic chemistry student prepared 110. mL of a cyclohexane-ethanol solution at 24.0 °C by measur...
A: The volume of solute in milliliter present in 100 mL solution is known as the volume percent concent...
Q: determined by titrating it with a 0.1342 M Ce4+ solution. The balanced net ionic equation for the re...
A: Given-> Molarity of Ce^4+ = 0.1342M Volume of Ce^4+ = 19.33 ml Volume of H3AsO3 = 25.00ml
Q: Maleic acid is an organic compound composed of 41.39% C, 3.47% H, and the rest oxygen. If 0.212 mole...
A: Given, Maleic acid has 41.39 % C, 3.4 % H and the rest oxygen i.e. 55.21% O Number of moles of Ma...
Q: The Kjeldahl method was used to determine the nitrogen content of a soil sample. 25 g soil sample wa...
A: Solution: We know Kjeldahl method is used to determine the nitrogen content of the any sample. Overa...
Q: Cellulose contains linkages that be digested by animals. --> 4 glycosidic ; can a1--> 6 glycosidic; ...
A: In cellulose, glucose monomers are linked in unbranched chains by Beta 1-4 glycosidic linkages hence...
Q: 2. A solution may contain any of the three group I cations. A white precipitate is formed upon the a...
A: Group I cations, Pb2+, Ag+, and Hg22+ are precipitated as chlorides on the addition of HCl.
Q: The percent by mass of nitrogen for a compound is found to be 30.5%. Which of the following could be...
A: Percentage by mass of element in a compound = Mass of element × 100 / Mass of compound
Q: What number of molecules (or formula units) are present in 2.38 g of each of the following compounds...
A: To find number of molecules ( or formula units )from grams, •Convert the given mass to moles. • Mu...
Q: Calculate the volume in milliliters of a 0.174M potassium dichromate solution that contains 75.0 mmo...
A:
Q: Draw the structure of a triacylglycerol formed from glycerol, one molecule of stearic acid, and two ...
A:
Q: Question 1 This following is the reaction for the synthesis of ammonia: N2 + 3 H2 + 2 NH3 At a certa...
A:
Q: Using solubility rules, predict the solubility in water of the following ionic compounds. (NH4 )3PO4...
A: The solubility of an ionic compound in water depends on the nature of the ions present in the ionic ...
Q: Example 6.7-1 Determine the activity of liquid water at 30°C and at the saturation pressure, 10 bar,...
A: Activity of liquid water calculated below
Q: 1. Explain in 2 sentences how does the definition of “lipid” differ from the types of definitions us...
A: P.S.: According to the company guidelines, we have to answer only the first question. So, please kin...
Q: 4. The 1H NMR spectrum shown below corresponds to one of the molecules A-D. Identify the molecule an...
A: The solution of the question is given below:
Q: How many Non-Polar Bonds are in the following hypothetical molecule: Electronegativity Values X: 1.3...
A: A non-polar bond has no partial positive and negative end whereas a polar bond has partial positive ...
Q: A 31.9 mM (millimolar) solution was made using 0.202 L of a 221 mM solution. What is the final volum...
A:
Q: Question 4 459 C of charge is passed through a solution of AICI3(aq). Determine the number of moles ...
A:
Q: 5.) Above what temperature does the following reaction become nonspontaneous? (hint: use: ΔG-ΔΗ- ΤAS...
A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined ...
Q: For the following statements about chemical equations, check the boxes that represent true statement...
A: Please find your solution below : Chemical reaction is described by a chemical equation. Chemical eq...
Q: The boiling point of 500.0L of water was determined to be 100.0°C. Ana has decided to increase the b...
A:
Q: Normal saline, a 0.90 %(w/v) solution of salt (NaCl)in water, is often used as an IV carrier fluid i...
A: Weight by volume percentage concentration = 0.90 % (w/v) Mass of NaCl = 345 mg Volume of the solut...
Q: Prove that the potential energy of the electron is Etotal -e?/ (8περr)
A:
Q: Question 9 The reaction is measured at three temperatures and the following rate constants have been...
A:
Q: Part A KOH(aq) + NaOH(aq) → Express your answer as a molecular equation. Identify all of the phases ...
A: This question is related to chemical reactions. A chemical reaction is feasible when no extra energ...
Q: 1. Why is C.H.O.N considered the essential elements of life?
A: C,H,O,N Carbon, hydrogen, oxygen and nitrogen are structural components of living forms on earth. T...
Q: 3. Nitric oxide (NO) reacts with oxygen gas to form nitrogen dioxide (NO2), a dark-brown gas: 2 NO(g...
A: 2NO(g) + O2 ----> 2NO2(g) Number of moles of NO = 0.886 moles Number of moles of O2 = 0.503 m...
Q: Question 3 What is the reaction order for the decomposition of p-toluenesulfinic acid? 3 CH3C6H4SO2H...
A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical reacti...
Q: Maleic acid is an organic compound composed of 41.39% C, 3.47% H, and the rest oxygen. If 0.367 mole...
A:
Q: Using molarity to find solute mass and soluu Calculate the volume in milliliters of a 1.90 mol/L iro...
A: Molarity is a concentration term for a solution. The molarity of a given solution is defined as the ...
Q: What is the pH of a 0.200 M solution of sodium acetate?
A:
Q: Part A What volume (in mL) of a 0.150 M HNO3 solution will completely react with 35.7 mL of a 0.108 ...
A: The correct answer is given below
Q: acidic, basic or neutral solution when dissolved in water. Clear All ammonium nitrate The pH will be...
A: pH <7 => acidic pH = 7 => neutral pH >7 => basic
Q: A 5.70-g chunk of potassium is dropped into 1.00 kg water at 24.2°C. What is the final temperature o...
A:
Q: 7.) Calculate the standard free-energy changes for the following reactions at 25°C: (a) CH4(g) + 202...
A:
Q: European friends tell you they are pleased because their new car gives them 15 kilometers per liter ...
A: Given -> Fuel = 15 kilometres per liter 1 mile = 1.6 Km 1 gallon = 3.8 liters
Q: A reaction solution is prepared with [S2Og²] = 0.0500 M and [I-] = 0.0400 M. The %3D reaction is tim...
A: Question 7: Given that, [S2O82-] = 0.0500 M, [I-] = 0.0400 M. Also, given that in 150 sec 1.00% of p...
From an experiment on
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- Can you help me filling all the table with this data please I really appreciate it! Titration of Acetic Acid and Vinegar - Topic1. A student failed to carry out all of the procedural steps when doing the experiment. Would the following procedural variations result in an experimentally determined molarity of NaOH that is too high or too low? Briefly Explain. (a) The student didnt clean the buret before the beginning the titration. After completeing the titration, the student noticed that droplets of the titrant were clinging to the inside surface of the barel. (b) The buret tip was not completely filled with NaOH solution when the titration was begun. (c) The student forgot to add phenolphthalein indicator solution to the KHP solution before doing the titrationIn the experiment, the amount of acetic acid in vinegar was determined by titrating with 0.1 M NaOH solution. In the analysis, three trials were performed to obtain more precise result. The table shows the initial and final burette readings for three titrations: Initial Burette Reading (mL) Final Burette Reading (mL) Trial 1 2.9 10.6 Trial 2 10.6 18.1 Trial 3 18.1 25.7 According to the given data, calculate molarity of acetic acid in the commercial vinegar. Please be sure that your answer includes followings; a) moles of NaOH for each trial b) average mole of NaOH c) average mole of acetic acid in 50 mL solution d) average mole of acetic acid in 250 mL solution e) molarity of acetic acid in vinegar.
- 2. Formaldehyde. Qualitative and quantitative analysis.What happens when a non-standard titrant is used in the titration of an unknown sample?a - The volume of the acid used will not be accurate.b - The normality of the acid used will not be accurate.c - The weight of the analyte will not be accurate.d - It will not matter.A student added 5.00 mL of vinegar instead of 10.00 mL to their titration flask. Will the titration require more, less, or the same amount of NaOH titrant to get to the endpoint? Briefly, 1 - 2 sentences
- Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by completions of the statement. Select the one lettered answer or completion that is best in each case. Write your answer before each number. 54.Primary standard used in the standardization of sulfuric acid a. Benzoic acid C. Sodium carbonate Sulfamic acid b. Potassium hydrogen phthalate d. 55. When a weak base is titrated with weak acid, the indicator used is a. Methyl red C. Methyl orange phenolphthalein b. Titration not possible d. 56. Quality control department where sampling and physical tests of all shipments of packaging materials is being done a. Biological Testing Laboratory d. Quality Coordinating office b. Analytical Laboratory e. Specification & Analyrtical Development section C. Material Inspection Section Spresented by Macmilan Learning The acetic acid/acetate buffer system is a common buffer used in the laboratory. To prepare an acetic acid/acetate buffer, a technician mixes 30.7 ml. of 0.0951 M acetic acid and 20.1 ml. of 0.112 M sodium acetate in a 100 mL volumetric flask and then fills with water to the 100 ml. mark. How many moles of acetic acid are present in this buffer? acetic acid: mol How many moles of sodium acetate are in the buffer? sodium acetate: mol3. Why does adding a salt solution cause soap to precipitate?
- need help with calculations for my chemistry lab! (Classic Titration 1 Lab) first picture is the data table that was gathered during the lab in which will be used to do the calculations. second picture explains the intro, purpose, and the procedure of the whole lab as a reference if the data table or the whole thing does not make sense. I'd really appreciate it if I could get help on the calculations. Thank you!Which of the following does NOT affect the rate of dissolving? Group of answer choices agitation particle size temperature catalystWhich of the following steps MUST be done prior to titration of an analyte? I. Prepare a standardized solution II. Wash the burette with a standardized solution III. Fill the burette to the 50-mL mark IV. Prepare a contrast paper to determine burette volume and titration endpoint