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Q: u 10 1 51.348 49.5し3 49.563 Mass of beaker 1,70 0 51.533 Mass of beaker and NaHCO3 g 01.965 Mass of…

A: Mass of beaker = 49.568 g Mass of NaCl = Mass of beaker and NaCl – Mass of beaker Mass of NaCl after…

Q: Magnesium burns in air with a dazzling brilliance to produce magnesium oxide: 2 Mg(s) + O2(g) → 2…

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Q: Find the percent ionization of a 0.250 M HC2H3 O2 solution at 25 °C. Express your answer to two…

A: The concentration of the  solution = 0.250 MWe have to calculate the percent ionization for the…

Q: After reading the following scenario, explain and diagram the transfer of energy. You must label the…

A: A question based on exotherrmic or endothermic nature of reaction, which is to be accomplished.

Q: In the titration of 10.0 mL of a 0.250 M HI solution with 0.200 M LiOH, what is the pH of the…

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Q: Please ! Help me with both Sir/Ma'am !

A: (1) When an ester treated with Grignard reagent then tertiary alcohol is formed, the reaction…

Q: Based on Table 31.1 above, what is the total binding energy of the nucleus of lodine-131. Enter the…

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Q: Calculate the theoretical yield in grams All, from the complete reaction of 18.3 grams Al according…

A: The balanced Chemical equation given in the question - 2Al(s) + 3I2(s) -----> 2AlI3(s) The…

Q: 4. Suppose you want to make a 2.5 M solution of MgF2 (magnesium fluoride). If you have 14.08 g of…

A: Molarity of a solution is defined as the no. of moles of solute present in one litre of solution.

Q: Choose the BEST classification for each structure shown below. Classifications to Choose from:…

A: Functional groups are used to distinguish between different chemical compounds as due to the…

Q: 6. How many moles of solute are present in .75 L of a .89 M (molar) solution? (please show work)

A: As we know, molarity of a solution is defined as the no. of moles of solute dissolved per litre of…

Q: The density of an unknown polymer is 1.875 g/cm³ with a % crystallinity of 50%. If the density when…

A: Density of a substance is representative of including both amorphous and crystalline structure.

Q: 2. Determine the volume of 0.10 M potassium thiocyanate needed to prepare 100.00 mL of a 0.00100 M…

A: Molar concentration is a measure of the concentration of a chemical species, in particular of a…

Q: The chemical formulae of some acids are listed in the first column of the table below, and in the…

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Q: Which of the following compounds cannot be oxidized with potassium dichromate (a strong oxidizing…

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Q: Select the compound that contains C-C bonds that are 1.39 angstroms long. O H3C- H3C- -CH3

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Q: A 0.7205 g of potassium hydrogen phthalate is titrated to the equivalence point by 21.08 mL of…

A: Given, Mass of potassium hydrogen phthalate (C8H5KO4) = 0.7205 g Volume of barium hydroxide, Ba(OH)2…

Q: Questions 1) Which of the properties are chemical and which are physical? 2) Consider the graphs you…

A: The grouping of the given elements on the basis of similar properties to have a periodic table…

Q: The hydrogen gas formed in a chemical reaction is collected over water at 30.0 °C at a total…

A: 67.  At 30°C the vapor pressure of water is 31.8 mm Hg. Simply subtract the pressure water vapor…

Q: Fill in the left side of this equilibrium constant equation for the reaction of carbonic acid…

A: in this question given ka ka= Acid dissociation constant, acid dissociation constant is used to…

Q: 4. Can 1.75 L of water dissolve 4.6 moles of Copper Sulfate CuSOa? Why?/Why not? (please show work)…

A: Formula used : Molarity = no. of moles/ volume

Q: raw curved arrows to show the movement of electrons in the step of the mechanism shown below.…

A: The curved arrow mechanism is a representation of a reaction in which reactant molecules convert…

Q: The preparations of two aqueous solutions are described in the table below. For each solution, write…

A: A strong acid or base dissociates completely in aqueous solution while a weak acid or base…

Q: The breakdown of a certain pollutant X in sunlight is known to follow first-order kinetics. An…

A: Initial pressure of X = 0.35 atm. Final pressure of X = 0.085 atm. Time taken = 14 hours

Q: Which of these is the product of brominating (E)-4-methyl-3-heptene? Check all that apply. OA.…

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Q: Draw the product(s) of the reaction. (Draw the polymer showing 3 repeating units and use the letter…

A: The polymerization takes place through initiation, propagation and termination steps. Note: The…

Q: 1. ( What element has the electron configuration 1s²2s²2p¹? What element has the electron…

A: We can find the atomic number by counting the number of total electrons in s, p, d and f orbitals of…

Q: type of compound (check all that apply) compound strong weak strong acid weak ionic molecular acid…

A: Few questions based on the type of compound, which are to be accomplished.

Q: Use the References to access important values if needed for this question. Determine the molecular…

A: Given that -  Gray spheres = Nb (Neiobium)   Green spheres = Cl (Chlorine)    In the diagram , there…

Q: ount of salt after

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Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: The question is based on the concept of quantitative analysis. we have to calculate concentration of…

Q: On a hot day (or during a stressful exam!), your body produces liquid swea which then evaporates…

A: Physical change: In a physical change only the state of matter changes. In this change different…

Q: Provide the correct common name for the compound shown here. 2-meth oxy prop ane Incorrect, 1…

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Q: Which compound is not shown? NHCCH3 A. aspirin OB. saccharin OC. acetanilide O D. acetaminophen O E.…

A: The structure which is not shown is .

Q: In 2021, 7.5 x 1014 mol = 750,000,000,000,000 mol of CO2 into the atmosphere worldwide. At standard…

A: Given: Pressure = 1 atm. Temperature = 273.15 K And moles of CO2 = 7.5 × 1014 mol.

Q: ) Complete the following Oxymercuration-demercuration reaction. (Pay attention to the…

A: In oxymercuration and demercuration (OMDM) an alkene is treated with Hg(OAc)2 and the product is…

Q: An impure sample of zinc (Zn) is treated with an excess of sulfuric acid (H₂SO4) to form zinc…

A: The balanced chemical equation is

Q: Classify the following by the sign of AE for the system. Drag the appropriate items to their…

A: From first law of thermodynamics, ∆E=Q+W When system expands, work is done by the system; and when…

Q: 8. What is the hybridization of each of the indicated atoms? (r CH3CH₂C=N CH3C=NCH3 CH3CCH3 0=C=0…

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Q: 1. If 250 mL of a 5.6 M solution was diluted to 0.5 L, what will the new molarity be?

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

Q: perts help

A: The mole concept is used to solve such kinds of problems. Limiting reagent is the one which is…

Q: Determine whether it is possible to run the electrolysis reaction below under aqueous conditions.…

A: Answer:- This question is answered by using the simple concept of electrolysis in which electricity…

Q: Question 5 of 6 A 25.0 g block of copper (specific heat capacity 0.380 J/g °C) at 88.0 °C is placed…

A: When the hot metal is dunked into the water, the heat is released by the metal and equal heat is…

Q: Gibbs Energy of a Reaction 1. Calculate the change in Gibbs energy for the decomposition of urea at…

A: The Gibbs free energy is defined as the free energy available to carry out a non-expansion work, at…

Q: Use thi mation, and any other information you need from the ALEKS Data resource, to answer the…

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Q: The 3D image below is that of an allylic carbocation intermediate formed by the protonation of a…

A: Conjugated dienes can give 1,2 or 1,4 addition products in the electrophilic addition reactions. In…

Q: [он] - 7 х 105 м pH = 4.2 [н]3 1 х 1010М РОН 3 6.7

A: Basic solution which have pH greater than 7. Acidic solution has pH solution less than 7. And…

Q: X A saline solution similar to that used for intravenous drips is made by dissolving 0.45 g sodium…

A: We are given: sodium (NaCl) = 0.45 g water (H2O) = 50.00 gAccording to the law of conservation of…