What volume of a 0.141 M barium hydroxide solution is required to neutralize 25.9 mL of a 0.235 M perchloric acid solution? mL barium hydroxide

Q: What mass of calcium chloride, CaCl₂, is needed to prepare 3.610 L of a 1.56 M solution? 5.63 g 425…

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Q: Question 17 4) Listen Write the symbol and the number of neutrons for an element with atomic number…

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Q: Carbon dioxide, CO2, is a byproduct of combustion reactions and an important greenhouse gas in…

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Q: Solid barium carbonate and solid manganese(II) carbonate are in equilibrium with a solution…

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Q: At 300 K the vapor pressure of pure chloroform (CHCl3) is 0.261 atm and the vapor pressure of pure…

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Q: 1. Assign formal charges to the elements in each of the structures below. Formal Charge S C 0…

A: we have to calculate the formal charge on each element and complete the given table

Q: Which is the more effective buffer?     0.35 M NaH2PO4/0.030 M H3PO4     0.35 M NaH2PO4/0.34 M…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: Question 19 Question 20 10M Set Bridge FT The given diagram is a galvanic cell for Zn²+/Zn (E° =…

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Q: Write the BALANCED chemical reaction for the combustion of ethanol. Show your work!   Step 2: Use…

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Q: 2. Using the equilibrium constant expressions, you determined on # 1, calculate the value of K when:…

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Q: In the laboratory a student finds that it takes 60.8 Joules to increase the temperature of 10.8…

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A: The chemical shift of the carbon nuclei is determined by the electron density surrounding the…

Q: Listen Balance the equation CgH187) + O₂(g) → CO₂(g) + H₂O(g) - E

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Q: Le Chateliers and temperature: How would increasing the temperature affect the following equilibria?…

A: The given equilibrium reactions are  (a) 2 H2O (g) ⇌2 H2 (g)+ O2 (g)…

Q: Consider the balanced equation below: Pb(NO3)2 + 2 KI > Pbl₂ + 2 KNO3 How many grams of Pbl2 could…

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Q: What is the mass of a boron trifluoride molecule ? grams

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A: This question is based on enzyme catalyze reaction.

Q: AH for the reaction below is-826.0 kJ/mol. Calculate the heat change when a 56.75 g sample of iron…

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Q: Calculate the ratio [A-]/[HA] for a pH 10.00 buffer composed of HCO3- (pKa = 10.25) and CO32-

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Q: Calculate the pH of a solution made by mixing 200.0 mL of 0.64 M hydrocyanic acid (Ka = 4.9 × 10−10)…

A: Given: The Ka for HCN = 4.9 × 10−10 We have to calculate the pH of a solution made by mixing 200.0…

Q: Which of the following is the molar mass of nitroglycerin, C3H5(NO3)3? 227 g/mol 179 g/mol 199 g/mol…

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Q: Substance: Mass of Water: Change in Temperature Dt Heat Absorbed by the water, q Convert q to kJ…

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Q: Calculate the frequency in hertz of electromagnetic radiation that has a wavelength of 603.0 nm. (c…

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Q: Based on the equations below, which metal is the most active? Ni (s) + Pb(NO3)2 (aq) → Ni(NO3)2 (aq)…

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Q: Consider the reaction of 75.0 mL of 0.350 M C5H5N (Kb = 1.7 x 1079) with 100.0 mL of 0.425 M HCI.…

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Q: CHEMISTRY (Please write the complete solution legibly. No long explanation needed. Answer in 2…

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Q: QUESTION 8 Which compound is aromatic? OA 0000 OB OD

A: 7).  A   (2,2-dimethylbutyl (aka)neo-pentyl)  8). A ( follow huckel rule of aromaticity).

Q: Calculate the pH of a 0.53 M solution of hypochlorous acid at 25.0 ∘C. (Ka = 2.9 × 10−8)

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Q: The central atom in does not violate the octet rule. KrF2 SF4 CF4 IC14 XcF4

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Q: Report on how to decrease the droplet evaporation time for liquid fuel combustion.

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Q: What is the concentration in molarity of the cations that remain in solution?

A: The net ionic reaction is Mg2+(aq) + 2OH-(aq) → Mg(OH)2(s).

Q: The melting point of moleculer hydrogen (H₂) is ~14K (-259°C). Draw a molecular level picture of…

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Q: Perform the following computation using your calculator: (report your answer to 4 significant digits…

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Q: Upon removal, which H atom will make the most stable radical. Circle one H₂ He He Ha Hd, Ha H₂ „Ha

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Q: Question 23: Show the mechanism including all intermediates and arrows for every bond made and…

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Q: Would MgCl₂ be classified as ionic or covalent?

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Q: 8. Complete the following equations giving the structures for all the lettered reagents and/or…

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Q: QUESTION 3 Osmium has a density of 22.6 g/cm³. The mass of a block of osmium that measures 0.662 m x…

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Q: positive

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.