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Q: 1. The [H30"], in M, of 10.00 mL of 0.100 M NaOH after adding 10.00 mL of indicator solution. To ent...

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Q: What is the solubility of Cr(OH)₃ at a pH of 10.60? (Ksp Cr(OH)₃ is 6.70 × 10⁻³¹)

A: First by using the value of pH , we can calculate the [OH-] Concentration .

Q: Identify the type of reaction shown by the equation: H2O(g)  +  C(s)  →  CO(g)  +  H2(g)

A: Redox reaction. because both oxidation and reduction occure.

Q: If 25.3 ml of a 0.175 M solution of KOH is diluted with pure water to a final volume of 609.7 ml. Wh...

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Q: help

A: Given that  A molecule with doble bond and conjunction

Q: What is the molar solubility of AgCl (Ksp = 1.80 × 10⁻¹⁰) in 0.320 M NH₃? (Kf of Ag(NH₃)₂⁺ is 1.7 × ...

A: When ammonia solution is added to AgCl it is able to form a complex with the Ag+ ions rendered by Ag...

Q: Chemistry Question

A: Dear student I have given answer to your question in the image format.

Q: Polarography is a subclass of voltammetry where the working electrode is a dropping mercury electrod...

A: DME (dropping mercury electrode) is used as a working electrode in polarography.  

Q: Describe the basics of atomic structure, including ions and isotopes; and then how each of these "ma...

A: Atomic structure refers to the structure of an atom comprising a nucleus (centre) in which the proto...

Q: a. Calculate the volume of 0.450 M Ba(OH)2 which will be needed to neutralize 46.00 mL of 0.252 M HC...

A: as per Q&A guidelines of portal I solve first question because it comes under multiple question ...

Q: Question 1 The NMR spectrum for an ester with formula CSH6O2 is shown below. The infrared spectrum. ...

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Q: Give a systemic name for each compound

A: The IUPAC name is also known as a systemic name. The full form of IUPAC is an international union of...

Q: 6. While the DVM students are busy eating their meal, Raphaela and Jessie are washing the glasswares...

A: Potassium permanganate reacts with a double bond and oxidizes it to form a diol. Chromic acid reacts...

Q: How many moles of MgCl2 are produced from 35.0g of Mg and 35.0g of HCl? Mg + 2HCl → MgCl2 + H2 Grou...

A: In this reaction 1 moles of Mg react with 2 moles of HCl produce 1 moles of MgCl2. Number of moles =...

Q: Give a common name for each compound (f) OCH

A: The structure of given compound is,

Q: Bremelen en Pane vumeofton ne often For which titration is phenolphthalein the best choice? Explain ...

A: Titration is a technique in which a solution of known concentration is treated with a solution of kn...

Q: Enamines can act as carbon nucleophiles and react with acyl chlorides. Draw any non-bonding electron...

A: These reaction is known as stork enamine reaction.

Q: Design a buffer solution that has a ph of 5.77 using one of the weak base

A: The question is based on the concept of buffer preparation. A buffer is a solution which is resist a...

Q: A 25.5 mL aliquot of HCl (aq) of unknown concentration was titrated with 0.113 M NaOH (aq). It took ...

A: Volume of HCl (V2)           = 25.5 mL Molarity of NaoH(M1)      = 0.113 M  Volume of NaOH (V1)     ...

Q: which binary combinations of elements are most likely to give ionic substances?

A: Metals are the elements that are generally electropositive in nature and lie in the left side of the...

Q: А. Burning magnesium ribbon Magnesium ribbon (which, like most metals, looks silver and shiny) buns ...

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Q: A 15.00 mL sample of a solution of H2SO4 of unknown concentration was titrated with .3200 N NaOH. Th...

A: The balanced reaction H2SO4 + 2NaOH = Na2SO4 + 2H2O Mass of NaOH = Normality x equivalent weight x v...

Q: 1. The space between particles of a substance in a solid state is larger than the space between part...

A: The state of matter depends on the intermolecular forces and the temperature and pressure of the sub...

Q: A nucleus has a spin quantum number of 7.5 how many magnetic energy states does this nucleus have?

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Q: help me Write a balanced chemical equation based on the following description: solid calcium carbona...

A: Here solid calcium carbonate on heating results in formation of calcium oxide and carbon di oxide. I...

Q: How many major plates does the Earth have?

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Q: compound HO (f) OCH,

A: The question is based on the concept of IUPAC naming of the compound. we have to systematically name...

Q: The Hall process for the production of aluminum involves the reaction of aluminum oxide with element...

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Q: Calculate the percent yield of a reaction if the theoretical yield of the reaction is 1.43 moles, bu...

A:  ans: 80.41% % yield = Actual yield /theoretical yield x 100 given theoretical yield=1.43 moles actu...

Q: Hey all! Some help on molarity of solutions would be great. Example question below - thank you. Calc...

A: Molarity (M) is the amount of a substance in a certain volume of solution. Molarity is defined as th...

Q: The pOH for 0.2 M sulfuric -2 acid solution is

A: Formula used  ph = -log[H+] ph + poh = 14

Q: A certain light has a wavelength of 475 nm. How long (in s) does it take for this wave to complete o...

A: A question based on velocity of light, which is to be accomplished.

Q: Question is attached

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Q: please answer both 17 and 18

A: Dear student I have given answer to your question 17. I can't answer question 18 as it is not in con...

Q: If 5 mol of oxygen gas effuses through an opening in 10 seconds, how long will it take for the same ...

A: * Moles of Oxygen gas (O2) = 5 mol     Moles of oxygen and Hydrogen are same.  * Moles of Hydrogen g...

Q: For the positive ion Sr2+, use the concept that a chemical compound must have a net charge to of zer...

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Q: Hey Everyone! Hope you're all well. Could I get a few tips on calculating concentration from this? T...

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Q: Use this information to answer Questions 3, 4, and 5: The equilibrium constant (K) of the reaction b...

A: Given,  Equilibrium constant, K = 6.0 x 10-2 M [H2] = 1.0 x 10-2 M [N2] = 4.0 M [NH3] = 1.0 x 10-4 M...

Q: The concentration of iodide ions in a 0.193 M solution of barium iodide is

A: The chemical formula of barium iodide is BaI2. Given: The concentration of barium iodide = 0.193 M. ...

Q: 4. How many mL of 0.100M NaOH (aq) would be needed to completely neutralize 50.0 mL of 0.300 M HCI (...

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Q: At 448 °C, the equilibrium constant KC for the following reaction is 50.5.               H2(g) + I2(...

A: Predicting the direction of reaction: At any stage of the reaction other than equilibrium, the ratio...

Q: What volume (mL) of 7.48x10-2 M perchloric acid can be neutralized with 115 mL of 0.244 M sodium hyd...

A: Introduction: The balanced equation is : HClO4(aq)+ NaOH(aq) ----> H2O(l) +                      ...

Q: Strong acid-base reactions are a subcategory of double displacement reactions. The hydrogen ion of t...

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Q: A 48.4-g sample of an unknown metal at 100.0 °C is placed in a constant-pressure calorimeter contain...

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Q: What orbitals overlap?

A: Electronic configuration of C and N is: C=1s22s22p2N=1s22s22p3 CN- is formed by gain of an e-. Since...

Q: What is K for a reaction if ∆G° =-205.7 kJ/mol at 25°C? (R = 8.314 J/mol ･ K)

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Q: We need to calculate the vapor pressure at equilibrium when the card is at 35 degrees Celsius. CoCl,...

A: ∆G° = ∆H° - T∆S° = -2.303RT log K  ∆G° =   -352 x 1000 - 308 x (-899)  = -75108 J = - 2.303 x 8.314 ...

Q: Could you solve this problem, question 22?

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Q: If 7.4 g of butanoic acid, C, H, O,, is dissolved in enough water to make 1.0L of solution, what is ...

A: Mass of butanoic acid =7.4 g Molar mass = 88g/mol Moles = 7.4g/88g/mol= 0.0841 moles Volume of solut...

Q: The pH of a 1.00 M Solution -1 of Nitrous acid HNO2 (pKb =10.6) is

A: HNO2 is a weak acid. pH of 1M solution need to be found out here. Dissociation of this weak acid in ...