Identify the oxidizing agent and the reducing agent in the following reaction: Cr2O3(s)+Al(s)->Cr(s)+Al2O3(s) Answer in complete sentences.

Q: 14. What is the pH of a mixture of 0.20M acetic acid and 0.30M sodium acetate, if the pKa of the…

A: Dear student , since you have posted multiple questions we will allow to solve only first question…

Q: 1. Find the pH of a solution having H+ concentration of 3.52 x 10-11. 2. What is the pH of a…

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Q: Calculate the degrees of unsaturation of the following molecular formula, and propose valid…

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Q: Which of the following best describes a catalyst? O It increases the number of collisions between…

A: In order to separate a mixture of liquid , there should be difference in their boiling point.

Q: 2. If you use 5.76mol of sodium fluoride (NaF) and dissolve this into 3.62kg of water, what will be…

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Q: Select the true statements about protein secondary structure. Peptide bonds stabilize secondary…

A: Answer - The correct option is  b , c and e Explanation - According to the question - Given -

Q: Question 13 Why is commercially available EDTA in the form of disodium salt, Na2H2Y.2H2O? O to…

A: EDTA is ethylene diamine tetraacetate ligand that bind to metal ions and it is a hexadendate ligand.

Q: Chemistry iv. Write the chemical names for the given disaccharides. Ho Ho H OH OH Н.О. HO НО OH нно-…

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Q: O₂N. O

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Q: Identify the type of bond that is disrupted for each denaturant. Each agent may affect multiple…

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Q: What is TRUE about the reaction below? Select one: O a. The reaction has the same rate when the base…

A: Organic reactions are those in which organic reactant react to form organic products.

Q: OCH 3 SO,NH2 What type of pharmacophore is the following compound made of? `N ZI IZ

A: Answer. A Pharmacophore is an assemblage of steric and electronic features that is necessary to…

Q: 1. What is the conjugate base of each of the following acids: a. HCIO4 -: 3. PH4 : 4. HCO3: b.H₂S:…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: If 1000 g of water from Angat River contains 0.0075 g of Ca²+ ion, what is the concentration in ppm…

A: Given: Mass of Ca2+ ion = 0.0075 g Mass of solvent = 1000 g

Q: 1) Comment on the Pearson’s R of the generated line equation, before you compute for the unknown…

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Q: Indicate the normalized integration value for the hydrogen shown in bold. ОН H H 1Н 2Н ЗН 4Н 5H 6H H…

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Q: The IR spectrum below represents which of the following compounds? Absorbance/% WWW 100 4000 3000…

A: IR spectroscopy is an important tool for the determination of the functional group in the compound.…

Q: 4. Salt is often added to water in order to raise the temperature of the boiling point and to heat…

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Q: PRACTICE PROBLEM 2 = Calculate the pH of a solution that is 0. 10 M HC₂H₂0, (K and 0.10 NaC₂H₂0₂…

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Q: 24. When any acidic substance enters the bloodstream, the bicarbonate ions neutralize the hydronium…

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Q: A solution of HCI is standardized against a sample which has been previously found to contain 71.22%…

A: Here we have to determine normality of HCl and NaOH respectively in the following given titration.

Q: What is the percent concentration (m/m) of a KBr solution prepared by combining 15.0 g of KBr with…

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Q: The IR spectrum below represents which of the following compounds? 2. O b. Oc O d. الله امد حله سم N

A: IR spectroscopy helps to identify functional group. Each functional group gives fixed peak.In the…

Q: I. Identify the substance being oxidized and the substance being reduced in each reaction. 1. 2H2 +…

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Q: With the help of a suitable enthalpy cycle explain what happens when an ionic compound such as NaCl…

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Q: Which type of distillation is used for miscible liquids with very small gap of boiling temperature?…

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Q: At 5000C Kc = 0.062 mol-2dm6. Compare this value to the one you calculated in 3(ii) above and state…

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Q: Provide only one plausible retro synthetic scheme for the molecule below. In addition, provide a…

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Q: The 3p -> 3s transition in ion Mg* (Z = 12) consists of a dual microstructure with wavelengths of…

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Q: Which of the following is TRUE for the disaccharide below? Select one: O a. It is composed of two…

A: 1) yes its composed of two different disaccharides because the two monosaccharides units are…

Q: Briefly explain how you would prepare 2.50 L of 0.125 mol/L HCl from a 2.00 mol/L concentrated stock…

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Q: What type/s of emulsion is/are sunscreen lotions?   a w/o   b o/w   c both a and b   d none of…

A: Given Sunscreen lotions. We need to determine the type of emulsion present in sunscreen lotions.

Q: how pressure cooker help you understand the knowledge of factors that influence the rate of chemical

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Q: O 100 1 O 50 20

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Q: Write the conjugate acid of each of the following: a. HSO3: 3. PO43: h. F : 4. CQ: 5. H₂O:

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Q: 6. Hydrofluoric acid, HF, is a weak acid that dissociates in water according to the following…

A: We have to determine the conjugate base of HF in the given reaction

Q: Select the compound with the highest boiling point. 1 ||

A: Alkanes can be defined as the organic compounds that contain single bonds between carbon atoms.

Q: 2+ Cu(aq) + 2e → Cu(s) Agaq) +eAg (s) Complete the cell notation for the reaction: Ag-(aq) Cu(s)…

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Q: Use the data in the table to plot a heating curve of temperature versus time for a 180-g sample of…

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Q: A water sample was analyzed for the total hardness through the reaction between the sample and EDTA.…

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Q: Peptide bonds stabilize secondary structure. The B-pleated sheet is held together by hydrogen bonds…

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Q: how much  kmols of NO2 is in 5000 kg of HNO3?

A: Given in following question 5000kg of HNO3 calculate how much kmoles of NO2

Q: What is the oxidation number of Na(s)?

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Q: Determine the mass, in grams, of 0.465 moles of S (1 mol of S has a mass of 32.07 g).

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Q: Statement 1: Mohr titration is usually performed in an acidic medium. Statement 2: This is because…

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Q: Identify the bond signified by the IR peak in the box. 4000 3000 2000 O sp³ C-H O carboxylic O-H O…

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Q: Write the letter of the correct answer. Consider the yellow point. What are the mole fractions of…

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Q: How many Calories are found in a frozen pizza that has 17 g of fat, 38 g of carbohydrates, and 13 g…

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Q: Which of the following does not affect the reaction rate? orientation of collisions between…

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Q: Indicate the normalized integration value for the hydrogen shown in bold. H H NO₂ H CI Ο 1Η O2H 3H…

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