How many particles with Dp = 20 nm does it take to equal the mass of one particle with Dp = 5 μm? (Dp2/ Dp1 = 250)

Q: 1. Calculate the pH of the solution that results when 8.30 ml of 0.250M KOH is added to 35.0 mL of…

A: here equation is HNO2 + KOH -------> KNO2 + H2O

Q: Thank you for the answer but it saids that we should explain using intermolecular forces. Help me…

A: An intermolecular force is an attractive force that arises between two compounds. It depends on…

Q: A solution containing an equal parts (by weight) mixture of two liquids A and B dissolved in ethanol…

A: Given: retention time, baseline width, integration of compounds A and B and the retention time of…

Q: A buffer solution is made that is 0.473 M in H₂CO, and 0.473 M in NaHCO. If Ka for H₂CO, is 4.20 x…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base .…

Q: A Compound contains only Carbon, hydrogen ! Oxygen. Combustion of 7.309 of the compound yields 10-4…

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Q: Enter your answer in the box provided. A 0.0850 M solution of a monoprotic acid is 13.5 percent…

A: The percent ionized is given by the ratio of the concentration of ionized acid or base in…

Q: Several values of K (the equilibrium constant) and AH (enthalpy change) are given. For each value,…

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Q: Part II. Entropy Before you start the following exercises - please watch the Topic 10 videos! The…

A: We will examine three different reactions, namely the dissociation of chlorine gas, the…

Q: A titration was performed by adding 0.1230 M HNO3 to 25.0 mL of 0.01673 M KOH. What is the pH of the…

A: We have to determine the pH at equivalence point

Q: The value of Ksp for SrSO4 is 2.8 x 10-7. What is the solubility of SrSO4 in moles per liter? 5.3 x…

A: Given :  Ksp of SrSO4 = 2.8 x 10-7  SrSO4 when dissolves in water gives Sr+2 and SO4-2 ion.

Q: The IUPAC name for the following molecule is:

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Q: Match the empirical formula to its molecular formula. Answers will be used once or not at all. Note:…

A: A question based on molecules. 4 different empirical formula are prescribed based on which the…

Q: Name each of the following compounds: a. Al(OH)3 b. Cu(NO2)2 c. KCIO3

A: The given compounds asked for naming are: a) Al(OH)3 b) Cu(NO2)2 c) KClO3 d) Co3(PO4)2 e) SrSO3…

Q: An aqueous catalyst that is added to a liquid phase reaction would best be classifies as a(n)…

A: Catalyst is a foreign substance which when added in a reaction alter the rate of reaction

Q: portant values if needed for this question. 1. How many GRAMS of boron are present in 2.07 moles of…

A: Solving only the first question as per guidelines. if u want all of them answered kindly post them…

Q: Le Chatelier's Principle and Equilibrium Shifts 1. If the reaction below is initially at…

A: Answer: Le-chatalier's principle states that on changing any parameter of the system that is in…

Q: Calculate the work in kilojoules done during a synthesis of ammonia in which the volume contracts…

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Q: which is the e-isomer?

A: When substitute group are opposite side on double bond. Is called E isomer.

Q: Here are the successive ionization energies for strontium Sr (in kJ mol-1): I1 = 550 I2 = 1064 I3 =…

A: The amount of energy required by an isolated, gaseous atom in the ground electronic state to absorb…

Q: lo How much propane (in grams) would have to be combusted to increase the temperature 300mL of water…

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Q: In the laboratory you are given the task of separating Ba2+ and Co2+ ions in aqueous solution. For…

A: For separation of Ba2+ and Co2+ ions in aqueous solution, we have to add reagent such a way that one…

Q: Assign RS configuration to each chiral carbon in the following compounds

A: The carbon atom in an organic compound bonded to four different groups is called the chiral center.…

Q: Ionic Bonds Worksheet PART A- Valence Electrons and Charges: Complete the following table. Element…

A: Group number     number of valence electrons 1 = 1  2 = 2  13 = 3  14 = 4  15 = 5  16 = 6  17 = 7…

Q: what waste container would each of these chemicals be disposed in? Acetic Anhydride, 18M phosphoric…

A: Given that, acetic Anhydride, 18M phosphoric acid, ethanol, tetreahydrofuran, dichloromethane,…

Q: Tiny samples of aqueous solutions are sketched below, as if under a microscope so powerful that…

A: Answer: When value of reaction quotient is equal to the value of equilibrium constant then system is…

Q: reaction KOH(aq) + HCIO (ag)KCIO, (aq) + H₂O (/) 8Ca(s) + S, (s) 8CaS (s) 4 HI(aq) + NaOH(aq) →…

A: Answer:- This question is answered by using the simple concept of types of chemical reactions using…

Q: An ideal gas has a volume of 3.0 L. If the number of moles of gas and the temperature are doubled,…

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Q: Find the pH of a solution that is 6.0x10-² Min H₂CO3. Express your answer using two decimal places.…

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Q: What plot gives a straight line for a second order reaction? Group of answer choices ln[A] vs t…

A: Second order reaction - Reactions whose rate depends upon second power of concentration of reactant

Q: a. b. с. d. е. f. HO : Br OH H H3C-COCH3 OH Н Н. : CEN :H

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Q: Given the acid base reaction between hydroxide and acetic acid OH- + CH3COOH →→ H2O + CH3COO(-) We…

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Q: Predict the products of this organic reaction: CH3 CH3-C-0-CH-O-CH3 || + H₂O Specifically, in the…

A: The given reactant molecule contains two functional groups ester and ether. Ester and ether…

Q: Flame Test Experiment

A: Flame test is a qualitative test for the identification of alkali, alkaline, and transition metals…

Q: 2. If the reaction below is initially at equilibrium, and then each of the following changes are…

A: Answer:2 Le-chatalier's principle states that on changing any parameter of the system that is in…

Q: What is the molarity of a H3PO4 solution in which 34.20 grams of pure H3PO4 were dissolved in enough…

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Q: Show that the equation below holds for the definition of ideal gas

A: The equation for the partial molar Gibbs energy that is chemical potential is given to be  μi = μi∘…

Q: 18. How much energy is needed to take 75.0 grams of ice at -35.0 degrees Celsius and change it into…

A: Answer: It is a 3 step process: 1. Increase in temperature of ice up to melting point 2. Melting of…

Q: Which of the following statements relating to the quantum numbers n and I applies to the orbitals…

A: We have to select the correct statement for the given orbitals

Q: 1.Give the Correct Chemical Formula of the Following Chemical Names Example: Sodium Phosphate=…

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Q: (Multi select) In the list below, select the elements that do exist as diatomic molecules: Select 4…

A: A diatomic molecule is made up of two atoms. The diatomic molecule may be homo diatomic ( two atoms…

Q: The reduction of peroxydisulfate ion (S₂02) by iodide ions to form sulfate ions and aqueous iodine…

A: A catalyst is a substance that increases the rate of a chemical reaction, but itself remains…

Q: 9. For the following molecule, draw the monomers (2T) *Hint* there are two different monomers a.…

A: Polymerization is the process of causing the monomer molecules to interact chemically to create…

Q: A reaction has the stoichiometry: 3A+B→C+D. The following data were obtained for the initial rate of…

A: This question belongs to Chemical kinetics.

Q: 1. Hg(OAc)2, H₂O/THF 2. NaBH4, ethanol ethyl (E)-2-methylbut-2-enoate

A: The question is based on the concepts of Organic reaction. we need to identify the product formed…

Q: Moving to the next question prevents changes to this answer. Question 18 When a liquid is freezing,…

A: 18) Freezing is a phase transition where a liquid turns into a solid.

Q: Aluminum will slowly react with oxygen produce aluminum oxide. The rate of this reaction has been…

A:

Q: Which of the following is not one of the five factors that influence reaction rates? O The…

A: Rate of reaction:- Rate of reaction is affected by:- 1) Temperature as it changes rate constant. 2)…

Q: 3. A 10.0 g sample of pure acetic acid, CH3CO2H, is completely burned. The heat released warms 2.0 L…

A: We will first calculate the heat absorbed by water. this heat is released from burning of acetic…

Q: Consider the proton transfer mechanism between the X-H and Y-H species. :Y-H :X-H 1 2 3 4 5 6 7 8…

A: Organic reactions are those in which organic reactant react to form organic products. In the given…

Q: Predict the products of this organic reaction: ? CH3-C-O-CH2-O-CH3 nghi KOH Specifically, in the…

A: We have to draw the product of the given reaction. Introduction: Base mediated ester hydrolysis.

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.