Question 20 Consider an aqueous solution of surfactant. What happens to its surface tension beyond the critical micelle concentration? Increases Decreases
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A: Detail mathematical calculation is shown below
Q: t 2.43 atm and 712 K, what volume of NO₂ gas forms from 47.98 g of 0₂? 4 NH3(g) + 70₂(g) 4 NO₂(g) +…
A: Solution -
Q: HCEO đ TÌNH, ₂C=C-CH₂ -BrH=C-CH3 BÌNH C=C=CH₂ H-C=C²-CH₂-Br D H H VQ CH₂CH₂C E-CH3 SCHICH, OH, OH-H…
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Q: Choose the structure of the monomers that could be used to make the following polymer: OH H…
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Q: Question 16 Caffeine, benzoate, and aspartame content of mountain dew soda was determined using…
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Q: Splitting of a signal in a proton NMR spectrum tells us the number of chemically non-equivalent…
A: Proton NMR determines the number of different types of hydrogen present in the molecule. Each…
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A: Which Fatty Acid has the highest percentage? = FA 1
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Q: Atoms with the same number of protons but with different electrical charges _____.
A: Electric Charge is two types. Positive charge Cation and negative charge anions
Q: 2. Calculate A-Gº of H₂O(g) at 298.15K given the following information. A+Hº, kJ/mol A+Sº,J/mol K…
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Q: Translate the given theoretical conformer from the wedge-and-dash drawing into its Newman…
A: The given structure is staggered form because in wedge-dash structure three atoms on back carbon…
Q: 1. What Grignard reagent and carbonyl compound are needed to prepare the alcohol below: H3COH CH3…
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Q: What will be the effect of adding ammonia solution to Cu(OH O It will increase the solubility of the…
A: If we add NH3 to Cu(OH)2 solution. Cu forms complex with NH3.
Q: The change in enthalpy and entropy for the certain reaction are -46.5 kJ mol ¹ and 212 J mol-¹K-1…
A: Given-> ∆H = -46.5 KJ.mole-1=46.5 ×1000J.mole-1(1KJ=1000J) ∆H = -46500 J.mole-1 ∆S = 212…
Q: Caffeine, benzoate, and aspartame content of mountain dew soda was determined using reverse phase…
A: The concentration of aspartame is 5.0 mg/mL.
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A: A coordination compound is formed by a complex ion and a simple oppositely charged ion. In complex…
Q: Complete the lecithin molecule by replacing each X to show myristic acid (CH₂(CH₂)2COOH) and the Z…
A: We have find out the complete structure of lecithin molecule.
Q: 9.18 An intravenous solution to replace potassium loss contains 40. mEq/L each of K* and CI. How…
A: moles of individuals can be calculated from the concentration. Note: As the image contains multiple…
Q: Consider this reaction: 2N₂O5 (8) 2N₂O4 (8) +0₂ (8) At a certain temperature it obeys this rate law.…
A: Concentration of N2O5 after 7.3 seconds is 0.09687 M .
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Q: Question The equation below represents the formation of acid rain. SO₂ + H₂O H₂SO, 1. From the…
A: 1. The gas which dissolves in rain to form acid rain is SO2 or Sulphur Dioxide. 2. Acid rain…
Q: Question 17 Caffeine, benzoate, and aspartame content of mountain dew soda was determined using…
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Q: 1. Circle the compounds below that will dissociate to give ions in water (Hint: think which one will…
A: According to the guidelines we are asked to solve only the first 3 subparts. Please post other…
Q: What are the pH and pOH values of a 0.5454 M aqueous LiOH solution? pH= 0.699, pOH=13.30…
A: The correct answer is given below
Q: Question 5 Which part of the HPLC contains majority of the solvent? O fraction collector O reservoir…
A: The beginning of the HPLC system occurs with the solvent reservoir which contains the solvent , and…
Q: 5. Indicate the colour change (if any) that would take place if: a) red litmus paper is dipped into…
A: a) Milk has a neutral pH, so no change in the color of red litmus will be observed. b) Vinegar is an…
Q: What is being described in the following items? - light that interacts with the solution ✓light not…
A: Absorbance is directly proportional to the concentration of the solution.
Q: The obtained plot in the detector of HPLC is called, O peak O bell O triangle area
A: HPLC stands for high performance liquid chromatography which is a separation technique and the…
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Q: Question 27 In monitoring the progress of the reaction, which method injects the reactant into the…
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Q: 1. consider the reaction: Ca(OH)2(aq) + 2HCl(aq)CaCl2(s) + 2H₂O(1) data at Using standard…
A: 1. Sol :- Given reaction is : Ca(OH)2 (aq) + 2HCl (aq) --------> CaCl2 (s) + 2H2O (l) Calculate…
Q: The emf of the cell reaction The standard electrode potentials for the half cell reactions are: Zn →…
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Q: Number the groups/ substitutes based on Chan - Ingold - Pregold priority rules. Please also so B. C…
A: We have to find out the priority group based on Chan - Ingold - pre-gold ( CIP rule) rule.
Q: What is the molarity for the following solution: 5.50 L of 13.3-MH₂CO (the formaldehyde used to…
A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as…
Q: Compute for the linear equation of the following concentration and absorbance given in the table.…
A: Here we are required to find the linear equation of the following concentration and absorbance for…
Q: 4. Isn't "corporate entrepreneurship" an oxymoron? Do the characteristics of an established…
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Q: How much Cu²+ is needed to precipitate cupric hydroxide (Ksp = 2.2 x 10-20) if there is 4.3 x 10-8 M…
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Q: Consider the reaction H₂O(g) = H2(g) + O2(g) 1/ a. calculate K, at 298 K. b. calculate the degree of…
A: Solutions A) Calculate kp at 298k = ? B) Calculate degree of dissociation C) Calculate kp at 373k…
Q: What will be the effect of additional silver nitrate solution to Ag It will increase the solubility…
A: Solubility equilibrium is AgCl(s) ---> Ag+(aq.) + Cl-(aq.) Due to common ion effect Solubility…
Q: The % w/w in a 0.6712-g sample was determined by Volhard titration. After adding 50.00 mL of 0.05619…
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Q: Given the reactions, X(s) + 1/2O₂(g) → XO(s) XCO3(s) what is AH for this reaction? X(s) + O₂(g) +…
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Q: Which of the following compounds is most soluble in water? Assume that all Ksp values are for…
A: Which of the following compounds is most soluble in water?
Q: Please explain how the product shown is formed from the starting materials and reagents H+ N NaBH3CN…
A: A question based on amines that is to be accomplished.
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: The alkyl halide shown below in line-bond structure is the product of ethene hydrohalogenation.…
A: Answer - The correct option is - A , B and D Explanation - According to the question - A, B and D…
Q: In gas chromatography (GC), the column is where compounds undergo decomposition for separation and…
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Q: CHEMICAL EQULIBRIUM Equilibrium calculations At a particular temperature, K = 2.0 x 10-6 for the…
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Q: The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an…
A: The rate constant depends on the temperature. with increase in temperature, the rate constant also…
Q: (Q105) What is the binding energy per nucleon (in MeV) for vanadium-50? The atomic mass of this…
A: Binding energy per nucleon can be calculated as follows
Q: Direction: Write the chemical structure of the peptide fragment formed by condensation reaction…
A: condensation reaction
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- What is LOTO procedure in OSH?Choose the common intermolecular forces involved between dye molecules and fabric fibers. Group of answer choices Ionic interactions London forces Dipole-dipole interactions Hydrogen bonding (Don't Hand writing in solution) .What is the molar mass of an unknown organic liquid based on the data from analysis of the liquid? Vaporization of 230.0 mg of the compound in a 120 mL bulb at 130°C gives a pressure of 440.0 torr. Correct: 110. g/molIncorrect 230. g/molIncorrect none of these answers are correctIncorrect 33.1 g/molIncorrect 1.10×105 g/mol please help explain why answer is 110.g/mol
- Surfactant decreases which property of water? A. High specific heat B. Cohesion C. High heat of vaporization D. None of the above.(Do not provide AI Content ) Choose the common intermolecular forces involved between dye molecules and fabric fibers. Group of answer choices Ionic interactions London forces Dipole-dipole interactions Hydrogen bondingPAPER CLIP EXPERIMENT (FLOAT) Surface Tension and Salt Solutiona. Water with salt will always increase surface tension? True or False .Elaborate your answerb. How does adding salt to water affect surface tension?c. Salt will reduce the mass of the water? True or False. Elaborate your answerd. Salt will affect the cohesion of water? True or False. Elaborate your answere. Cohesion is directly proportional to surface tension? True or False. Elaborate your answer
- SUBJECT : GENERAL CHEMISTRY TOPIC : MOLECULAR POLARITY, INTRAMOLECULAR AND INTERMOLECULAR FORCES OF ATTRACTION NO NEED FOR EXPLANATION JUST THE ANSWER 30) Hydrogen bonding is the strongest of the intermolecular forces. Is this statement true or false? True Falsea. How much methylcellulose 1500 should be weighed? viscosity for a suspension is 750 cps. Note 25-50% of the Rx volume comes fro cherry syrup : the remainder of the volume come from the methylcellolose. b. what volume of water should be added to hydrate the methylcellulose?Theoretically, the relative viscosity for solutions (not pure solvents) should always bea. greater than 0 b. less than 0 c. greater than 1 d. between 0 and 1
- if we keep wet clothes in a plastic bag, they do not dry, while when we put them on the wire, the opposite happens. Why?Assume the total heat of vaporization (per gram) of water can be used to supply the energy needed to tear 1 gram of water molecules apart from each other. How much energy is needed per molecule for this purpose? Show unit analysis and conversion on solution. Round-off to four decimal place.Surface Tension and Salt Solutiona. Water with salt will always increase surface tension? True or False .Elaborate your answerb. How does adding salt to water affect surface tension?c. Salt will reduce the mass of the water? True or False. Elaborate your answerd. Salt will affect the cohesion of water? True or False. Elaborate your answere. Cohesion is directly proportional to surface tension? True or False. Elaborate your answer
