НО о I H+ A OH B

Q: After 50 years, what mass (in g) remains of a 200.0 g sample of a radioactive isotope with a…

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Q: After 50 years, what mass (in g) remains of a 200.0 g sample of a radioactive isotope with a…

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Q: A first-order (n = 1) reflection from the plane of a cubic crystal was observed at a glancing angle…

A: Bragg's law is used to calculate interplanar distance, wavelength and glancing angles in a crystal.…

Q: Formula Structure C₂H₁N₁ 5. Does your structure have the ability to form a (circle): hemiacetal or…

A: amino acids usually have both a positive charge on the amine group and a negative charge on the acid…

Q: Calculate the [OH-] of a solution at 25°C, if [H] = 9.6 x 101 M. (answer in scientific notation)…

A: The correct answer is given below

Q: Some N₂ gas is mixed with some O₂ gas, and the sketch below shows a representative sample of the…

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Q: -) [References] A solution of a weak acid was tested with the indicators used in this experiment.…

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Q: Example 1: If a 2.0 L sample of air is collected at 298K, but its temperature falls to -25°C, what…

A: Given data Initial volume of air : V1=2.0 L Initial temperature of air : T1=298 K After falling of…

Q: 14) 4.5 mol BrFs was placed in a 4.5 L reaction vessel at 250°C. After equilibrium was established,…

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Q: Devise a synthesis for the following compounds from benzene, any alcohol with four or fewer carbos,…

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Q: Nitrogen and oxygen react as follows: N₂(g) +202(g) → 2NO₂(g) Suppose 1.85 mol of N₂ and 48.0 g of…

A: The correct answer is given below

Q: Enter the formulas of the conjugate bases of the following Brønsted-Lowry acids. CH3CH2NH3+

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Q: Please complete the following related questions i) Draw all possible isomers for the chemical…

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Q: QUESTION 5 For the reaction below, determine the stoichiometric coefficient on the hydrogen ion in…

A: Given, the unbalanced equation: MO3-(aq) + X3+(aq) → X4+(aq) + M3+(aq) We have to find the…

Q: Without doing a calculation, predict whether the entropy change will be positive or negative when…

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Q: At the start of the reaction, the concentration of YOI is equal to 5.142 M. After 118.0 seconds, its…

A: Here we are required to find the amount of YOI will be consumed which is allowed to form MIYA after…

Q: What is the class off compound is the structure  H3C - Br ?

A: CH3-Br belongs to

Q: We compare the values of Q and K to predict the direction in which a reaction will proceed toward…

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Q: In a coffee-cup calorimeter, 7.60 g of potassium bromide (KBr; MW 119 g/mol) is mixed with 150.0 g…

A: All the necessary calculations have been done in the following step.

Q: Which is the major product/products of the following reaction? NaOEt Multiple products

A: Note : The reaction is E2 elimination. For E2, H and Cl in antiperiplanar geometry is required. (see…

Q: what wavelength region does an atomic absorption experiment usually occur in?

A: wavelength used atomic absorption experiment is given below

Q: Calculate AGO at 600. K for using the following data: AGO = H₂O(g) + 1/2O₂(g) → H₂O2(g) H₂(g) +…

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Q: Formula Structure NH NH C₂H₁1N₁ NM₂ 5. Does your structure have the ability to form a (circle):…

A: amino acids usually have both a positive charge on the amine group and a negative charge on the acid…

Q: A certain reaction is endothermic in the forward direction. The reaction has less moles of gas on…

A: According to le chatelier principal reaction tries to oppose the change in equilibrium. Go in…

Q: Mention the reactions necessary to obtain the desired product: NH₂ pok

A: The synthesis of ester from amide is shown in the following step.

Q: What is the oxidation state of the element other than oxygen in Ga 20 3? +1 +2 +3 +4 +5

A: Oxidation number: • Oxidation number of atoms in pure element or Atoms in free or uncombined…

Q: gases is false? A) Gases are highly compressible. B) Distances between molecules of gas are very…

A: Gases have Indefinite volume and Indefinite shape. Gaseous molecules have very large distance…

Q: Consider the hypothetical equilibrium system below: A + B C What is the equilibrium constant of this…

A: To find equilibrum Constant

Q: 35. Write an equation showing reaction between ester and water

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Q: 26. If 5 moles of NaCl is added to a 5 liter of pure water what will be the molality of the…

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Q: 2. The following sequence of steps has been proposed for the overall reaction between H₂ and Br₂ to…

A: Reaction quotient (Qc) :- It is the ratio of product of concentration of products to the product of…

Q: Match each of the following lipids with the specific classification they fall under H₂C-O-H H-C-0-H…

A: A lipid is kind of organic compounds that are insoluble in water. Example of lipids includes fats,…

Q: determine whether the structures below are 1.Chiral 2. Achiral 3. exist as enantiomers You forwarded…

A: Chiral compounds  do not have plane of symmetry  and center of symmetry  but achiral can have plane…

Q: Assuming that no equilibria other than dissolution are involved, calculate the molar solubility from…

A: Consider the chemical equation of the dissociation of KHC4H4O6…

Q: What is the value of 0 for the first diffraction line (n = 1) in bcc iron (atomic radius 126 pm)…

A: Solution- Given-  first diffraction line (n = 1) in bcc iron (d= atomic radius 126 pm) , X-ray…

Q: At a particular temperature, K= 3.75 for the following reaction. 50₂(g) + NO₂(g) = SO₂(g) + NO(g) If…

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Q: A 2.345 g sample of an oat cereal is determined by a Kjeldahl analysis. The sample is digested with…

A: Solutions- Given-2.345 g of sample of oat cereal.

Q: Predict the reaction -CHO + CH₂OH NH, NHOH + + HƠN

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Q: Predict the products of the following SN2 reactions. a) ONa +CI- b) Br NaCN c) S Na + Br

A: Since you have posted a question with multiple parts, we can solve only first three parts for you.…

Q: Calculate the pH and pOH of a solution at 25°C, if [OH-] = 1.3 x 10-⁹ M. Answer to the hundredths…

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Q: R Ring-closing alkene metathesis is a convenient way to prepare large macrocycles. Draw the…

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Q: Find the [OH-] of a vinegar sample that has a pH of 3.88.

A: Given : pH of solution = 3.88  To calculate : concentration of OH- ions i.e. [OH-]

Q: 3. Fill in the blank in the following Potential Diagram: 0.96 V 0.79 V 1.00 V HNO₂- NO3- -NO₂(g)-…

A: Redox reaction are those in which both oxidation and reduction reaction occurs simultaneously.

Q: Briefly explain how and why the spectrum associated with a particular element contains discrete…

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Q: A sports drink formulation can be prepared by mixing the ingredients in the quantities shown in the…

A: Since you have asked multiple questions, we will solve first question for you. For remaining…

Q: 7. Manganese has BCC unit cell and has a PMn = 4.68 g/cm³. From this information, calculate the…

A: We are required to find the edge of cube cell.

Q: A coffee-cup calorimeter contains 50 of water with an initial temperature of 24.8 degrees * C An…

A: GIVEN:- A coffee-cup calorimeter contains 50 of water with an initial temperature of 24.8 degrees *…

Q: Ether Formation - Two alcohols will form an ether link by loss of water forming an ether product…

A: Given that, when alcohols are heated at 140°C in presence of H2SO4, they form ether. We have to tell…

Q: Decide whether each pair of elements in the table below will form an ionic compound. If they will,…

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Q: Five moles of an acid HA was dissolved in 5.0 L of solution. After the system had come to…

A: Equilibrium constant is the ratio of product of concentration of products raised to their…

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.