Q: the plot of concentration versus time, which order(s) of reaction will have a positive slope?…
A: the plot of concentration versus time. Second First Third Zero
Q: 1-Between the values of P1, P2, P3 and the values of R1,R2,R3 2-Calculate the missing absorption…
A: In order to solve these problems, first, we need to focus on a few important concepts. 1. Both HCl…
Q: A 0.050 mL drop of 6.0 mol/L hydrochloric acid is added to 1.0 L of a 1.0 mol/L aqueous silver…
A:
Q: Chemistry iv. Write the chemical names for the given disaccharides. Ho Ho H OH OH Н.О. HO НО OH нно-…
A:
Q: Question 28 The decomposition of hydrogen peroxide, H₂02, has a rate constant, k = 3.66 x 10-³ s-1.…
A: We can determine the order of reaction by seeing the unit of rate constant.
Q: Which of the following is also known as liquid crystal? Planar bilayer Liposome Reverse micelles…
A: Planar lipid bilayer is an a technique that enables study of functional activities of ion channels,…
Q: Which technique is used for the determination of symmetry of the unit cell and the position of the…
A: The given techniques are LEED,SEM,SAM,XRF.
Q: Determine the pH of the molecules given in a 1L beaker containing 0.035M solution of the given…
A: Given, The molarity of each solution in 1 L beaker is 0.035 M. The pH of the solution is:
Q: 7. Radioactive decay is a first-order kinetics process which follows the integrated rate equation In…
A:
Q: - Propose syntheses of the following compounds from benzene: (a) N,N-Dimethylaniline (b)…
A: Here in the given four conversion, the following points is amost common:- Reduction of -NO2 group…
Q: Which of the following refers to the irreversible aggregation of colloidal particles? lyophilic…
A: When small amount of electrolyte is added to the sols which readily precipitates and do not give…
Q: Question 2 In steady-state approximation, which of the following is the assumed rate of product…
A: In the given question we have to find out the rate of product formation using steady state…
Q: The IR spectrum below represents which of the following compounds? Absorbance/% 50- 2500 2000 1500…
A: There is a IR spectra given . The following compound matches with it.
Q: Name the compound below. Thank you.
A: The ester is formed from an alcohol and carboxylic acid. The name of an ester is written as an alkyl…
Q: Which of the following factors increases the rate of adsorption? low concentration…
A:
Q: nitial rate data were obtained for the following reaction: 2 A (g) + B (g) → C (g) + D (g)…
A: 2A(g) + B(g) -----> C(g) + D(g)
Q: О Thrana 99 О CI О ОН ОН о
A: The compound can be indentified by the 1H NMR and 13C NMR spectrum .
Q: 2) de The number of lines exhibited by hydrogen(s) a is The number of lines exhibited by hydrogen(s)…
A: In 1HNMR splitting pattern (multiplicity) can be determined by following- Multiplicity = 2nI + 1…
Q: Concentration, mg/L 0.100 0.200 0.300 0.400 0.500 Write capital letters only on the space provided.…
A:
Q: How to distinguish between constitutional isomer, diasteromer, enantilmer, or identical molecules?
A: In the following flowchart we can differentiate between constitutional isomer ,diastereomers ,…
Q: For the decomposition of A into B and C, what is the order of the reaction given the following data?…
A:
Q: Section 1: Nuclear Energy What types of reactions occur in a nuclear power plant? Is the process…
A: A nuclear reaction involves fission or fusion reaction. If two light nuclei combines to form a…
Q: MA 58. How many moles of Fe₂O3 are produced if you begin with 5.6 moles of Fe? 9.Lem X 2 1 Zm 59. If…
A: 58) Given, 4 Fe + 3 O2 ➝ 2 Fe2O3 moles of Fe react = 5.6 moles moles of Fe2O3 produced = ?
Q: How is Le Chatelier's principle used in real life?unhjujimimimim
A: Le chatelier principle says that equilibrium will shift in such a way so as to undo the effect of…
Q: - Rank the following substances in order of increasing acidity: (a) Phenol, p-methylphenol,…
A: Acid is substance which release hydrogen ions and base is substance which release hydroxyl ions.
Q: Question 10 Consider the rate constant for ester hydrolysis at different temperatures. What is the…
A:
Q: Determine the molar enthalpy of combustion of an unknown fuel if a 2.75 g sample increased the…
A: The molar enthalpy of combustion can be determined by the ratio between the heat gained or lost by…
Q: An amino acid is shown in the image. Identify the three-letter abbreviation. Gln Asp Asn Glu H₂N-…
A:
Q: What is the “expulsion of water from a gel”? Explain
A: A question based on properties of liquid that is to be accomplished.
Q: How do you prepare a 5 M of CaC2O4 in a 300 mL solution?
A:
Q: he decomposition of N₂O on a platinum surface has a rate constant, k = 1.48 x 10-3 M s-1. 2 N₂O (g)…
A:
Q: Question 8 The rate constant for a particular reaction is 2.7 × 10-2 s1 at 25°C and 6.2 × 10-2 s1 at…
A: Which one of the following is correct
Q: The structure of an amino acid is shown. Identify the amino acid. lysine arginine histidine proline…
A: Identify the amino acid and three letter abbreviation then after one letter symbol of the…
Q: In your own words, describe what effect cooling has on the frequency at which particles of reactants…
A: The rate of reaction depends on temperature . Because temperature effect the collision frequency of…
Q: Question 17 What happens to the result of a thick sample subjected to Micro X-ray Fluorescence?…
A: Xray fluroscene is a analytical technique where sample with small sample areas is to be analysed.…
Q: Question 11 What is the relationship between Ksp and s for aluminum hydroxide? O Ksp = 108s5 O Ksp =…
A:
Q: EXTRA CREDIT: Complete the following two-step synthesis: ? ? ?
A:
Q: Question 16 O-CH₂-CH3 O H₂C-CH-CH₂-CH₂-C-H The correct IUPAC name for the compound above is which of…
A:
Q: Dichlorofluoresceine is the anionic dye that imparts positive charge particle on the precipitate…
A: Dichlorofluoresceine (HDcf) is a weakly acidic organic dye, deprotonation of which produces Dcf-…
Q: Write the balanced equation of the reaction between Al and oxygen in the presence of heat. 4.…
A: In the given question we have to write the balance equation of the following reaction. 3. Aluminium…
Q: ·N· -2 O
A:
Q: How many grams of Mg3(PO4)2 can be produced when 82.0 mL of 3.5 M MgCl2 reacts with excess sodium…
A:
Q: A proposed mechanism for the Br-catalyzed aqueous reaction is shown below. Br H* + HNO, + CHẠNH,…
A: Ans. (i) Applying steady-state approximation, the rate of the intermediate: Option a is right…
Q: What will be the effect of additional silver nitrate solution to AgCl precipitate in the mixture?…
A:
Q: 22. a) Draw the compound of cis-4,5-dimethyl-2-heptene and write the molecular formula.
A: Given-> Cis -4,5-dimethyl-2-heptene
Q: The IR spectrum below represents which of the following compounds? Absorbance/% погру 3000 2600 1500…
A:
Q: Assign an oxidation state to each atom CF4
A:
Q: 1. Calculate the change in the molar Gibbs energy for: (a) liquid water treated as an incompressible…
A:
Q: ow many monochloro substitution products are produced when the alkane below is chlorinated? onsider…
A: In monochlorination only one hydrogen is replaced by one chlorine atom
Q: band gap on insulator i understand the band gap difference between conductor, insulator, and…
A: From the given data we are going to answer why there is a large energy gap in insulators.
Step by step
Solved in 2 steps with 2 images
- 3. A student neutralized 25.0 cm³ of sodium hydroxide solution with 0,6 student carried out the experiment three times and obtained the following results. Experiment 3 Experiment 1 Experiment 2 Volume of Acid 19.90 17.30 17.40 Used/ cm3 (a) The student calculated the volume of acid used by calculating the average of the volume of acid used in Experiment 2 and Experiment 3. Explain why the first reading was not considered. (b) Calculate the amount (moles) of 0.6 moldm³ sulfuric acid in the average titre value used to neturalise the sodium hydroxide. (c) How many moles of sulfuric acid react with 1 mole of sodium hydroxide? (d) What amount (moles) of sodium hydroxide were there in the 25 cm³ sample?WORK ON THISI 1.00 L of An aqueous solution of NaCl is 350 ppm. What is the mass of NaCl in 1.00 L of the solution? Assume the density of the solution is 1.00 g/mL. 3.POSTLABORATORY ASSIGNMENT 1. An oleic acid, C17H33COOH (282 g/mol), solution is added to water in a watchglass until a monolayer forms. Assume that there are no spaces between molecules in the monolayer and that each oleic acid molecule occupies an area of 0.25 nm². If the concentration of the oleic acid solution is 0.00012 g/mL, what is the experimental value of Avogadro's number? dropper pipet calibration number of drops of oleic acid in the monolayer diameter of monolayer OMA 30+20 od os pulgad Im od of ingranit yd souls mesto bonstantial = || || || 00.1 arestusslom (0) N = = = Jorna ode 65 drops/mL 16 drops 14.5 cm dirua orli unalools) mano lo zemoristalls d A(otho) wall
- WORK ON THIS! Stoiciiomeio moetownoie convesior 10 What is the molarity (M) of 60.0 g NAOH in 0.250 Lof solution?m itto Find the molarity of a solution made by taking 0.358 g of NaOH and dissolving it to a volume N of 250 mL. What volume of this solution is required to provide 0.560 moles of NaOH?OH(aRemaining Time: 41 minutes, 51 seconds. * Question Completion Status: A Moving to another question will save this response. Question 19 What concentration of 29.03 mL of H2SO4 can be prepared from 13.53 mL of 0.45 M H2SO4? 8.5 M 0.21 M 0.34 M 9.6 M A Moving to another question will save this response.[References] Use the References to access important values if needed for this question. In the laboratory, a student dilutes 17.8 mL of a 9.01 M hydroiodic acid solution to a total volume of 200.0 mL. What is the concentration of the diluted solution? AM 3 Concentration = Submit Answer M Try Another Version 1 item attempt remaining Cengage Learning Cengage Technical Support Previous
- Use the Rêfërences to access important values if needed for this question. You need to make an aqueous solution of 0.177 M sodium iodide for an experiment in lab, using a 250 mL volumetric flask. How much solid sodium iodide should you add? grams Submit Answer Try Another Version 2 item attempts remaining ot pt pt pt 1 pt 1 pt Previous Next nt Email Instructorame: Table 2. Determination of Acetylsalicylic Acid in Aspirin. 1) Aspirin Brand (and amount of acetylsalicylic acid on label) 2) Average molar concentration of NaOH Solution B (from Part A) 3) 4) 5) 6) Mass of aspirin tablet Mass of pulverized aspirin sample Initial buret reading Final buret reading 7) Volume of NaOH Solution B added 8) Moles of NaOH 9) Moles of acetylsalicylic acid in sample 10) Mass of acetylsalicylic acid in sample 11) Amount of acetylsalicylic acid per tablet T₁ 1.264 12) Mean amount of acetylsalicylic acid per tablet 13) Standard deviation for acetylsalicylic acid per tablet 14) RSD for acetylsalicylic acid per tablet 15) Relative percent error (%) 16) Is the mean amount per tablet acceptable? (Yes or no.) 0.000153 * 180. Kg Imol T₂ √3 1.261 1-259 Seat กา Basic 8.25 mg 0.0975 M Trial 1* Trial 2 *Show all calculations related to Trial 1, standard deviation, RSD, and relative % error. Mole of NaOH (0.0975) (14.3) = 0.000139 (0.0975) (15.7) = 8.000 253 23 0.0975)…Question 20 A 100 mL sample of a saturated CaSO4 solution is evaporated to dryness. The water solvent all evaporates and leaves behind a solid residue of CaSO4 that weighs 0.23 g. The CaSO4 would be classified as O insoluble in water. O slightly soluble in water. O soluble in water. very soluble in water. Question 21 MacBook
- a chemistry class, 26 liters of a 3% silver iodide solution must be mixed with a 16% solution to get a 12% solution. How many liters of the 16% solution are needed?A student begins lab with 318.1 mL of 3.9 HCI. They are instructed to dilute the solution so that the resulting concentration is 0.34M HCL What is the total volume in mL ROUND TO ONE DECIMAL PLACE of solution after water is added to achieve 0.34 M HCI? 2 pA solution is prepared by dissolving 23.4 g of CaCl2 (MW = 110.98 g/mol) in 355 mL of water. The density of the resulting solution is 1.05 g/mL. The concentration of CaCl2 in this solution is ________ molar.