The instrument used in the titrations which hold the titrant is called? Select one: a. pipette b. Burette c. Erlenmeyer flasks d. pitot tube

Q: COBr2 is formed when CO reacts with Br2. Given the reaction CO(g) + Br2(g)  COBr2(g) , If [CO]0 = .5...

A: Given data : [CO]o = 0.50 M [Br2]0 = 0.40 M Kc = 23

Q: Which of the following substances has the highest molar heat of vaporization?     Question 1 option...

A: Heat of vaporization : the amount of heat is required to change the substance from solid state to li...

Q: The pressure of 5.0 L of gas increases from 1140 mmHg to 1240 mmHg. What is the final volume of the ...

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Q: Kinetic studies of the reaction X + 2Y → W + 2Z yield the following data: Concentration of X (mol) C...

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Q: Select all of the major goals of this experiment. U Perform a strong acid-strong base titration and ...

A: In a pH titration , we titrate acid and base and monitor the pH . 

Q: A tiny sample of an aqueous solution of two substances R and P is sketched below, as if it was under...

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Q: A group of students were tasked to perform the metal coupling of iron nail similar to Experiment 3: ...

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Q: The following reaction reaches equilibrium in a closed reaction vessel. 3 Fe(s) + 4 H,O(g) = Fe,O,(s...

A: Catalyst can be defined as the substance that increases the rate of reaction without getting consume...

Q: How many cups are there in 1.00 gallon of ice creams?

A: The volume unit conversion between gallon and cups

Q: Given a reaction in which reactant A is converted only to product B, what Keg results if, at equilib...

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Q: Indicate whether the volume of a gas in a closed flexible container (see an example below) will incr...

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Q: What is the value of K for this aqueous reaction at 298 K? A +B =C+ D AG° = 17.48 kJ/mol K =

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Q: 19. Provide a complete curved arrow mechanisms that accounts for the transformation below. Be sure t...

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Q: What is the IUPAC name of this compound?

A: Given : We have to write the IUPAC nomenclature for the given compound.

Q: The measured pH of 0.100 M HCl at 25 degrees C is 1.092. From this information, calculate the activi...

A: pH of 0.100 M HCl = 1.092                          pH = - log aH+         Activity of H+ = 10-1.092 ...

Q: How many atoms of O are in 12.8 g Li2SO4?

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Q: An empty steel container is filled with 0.0620 atm of HF. The system is allowed to reach equilibrium...

A: The equilibrium constant (Kp) of a reaction is the ratio between partial pressure of product the the...

Q: 3 attermpts left Check my work Be sure to answer all parts. Starting with a 6.701 M stock solution o...

A: Given data: Initial concentration of HNO3  = 6.701 M AAt each stage, 25 mL of solution is diluted to...

Q: Evalúa el conmutador [A, B), considerando las siguientes situaciones: a) A= d/dx B=x f(x)=xe2 bA=x B...

A: To calculate the commutators , we would use the formula . 

Q: White limestones contains a large percentage of calcium carbonate, CaCO, What is the mass in grams o...

A: The relation between mole and mass of any substance is given by - Mole = Mass/molar mass

Q: Point out the main ideas in the discovery of the structure of the atoms and their sub-atomic particl...

A: We know anything in this world that takes up some space has some matter. In the very early days, it ...

Q: Lycopene is non-polar. Explain why? Lycopene is coloured. Comment on the feature in its structure t...

A: Lycopene is an organic compound with chemical formula C40H56 usually found in tomatoes. It is  brigh...

Q: 5. A metal crystalizes into the body-centered cubic unit (BCC) structure. If the radius of the metal...

A: Given: A metal crystallizes into the BCC structure. The radius of the metal atom = 375 pm We have to...

Q: An error due to some peculiarity or bias of the observer (A Instrument Error (B) Personal Error C) E...

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Q: How many grams of potassium dichromate (K2Cr207) are required to prepare a 250 mL solution concentr...

A: We will use molarity expression to calculate mass of potassium dichromate required.

Q: When hydrogen chloride reacts with magnesium, magnesium chloride and hydrogen gas are formed. 1. Wri...

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for ...

Q: C (s) + 2 Cl, (g) = CCI, (g) Answer and briefly explain: Which would cause the reaction to shift to ...

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on ...

Q: For the chemical equation SO, (g) + NO,(g) = SO,(g)+NO(g) the equilibrium constant at a certain temp...

A: Equilibrium constant = [Product] / [Reactant]     

Q: 2Al (s) + 3Cl2 (g) --> 2AlCl3 (s) (balanced) When 46 grams of aluminum react, the actual yield is 1...

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Q: Give 2 examples of High performance liquid chromatography (HPLC) on how or when it is recommended to...

A: High performance liquid chromatography is the modification of liquid chromatography. Now a days it i...

Q: Problem Solving. Show complete solution 1. a. How many grams of potassium nitrate is added ...

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Q: What is the molality of an aqueous solution that is 10.0% ethanol, C2H5OH, by mass?

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Q: Find the mass of each element in 82.8 g of Jadeite (AlNaO6Si2). Hint: Al=Aluminum

A: The mass of each element can be determined by the number of moles of compound. The number of moles o...

Q: The equilibrium constant with respect to concentration (Kc) for the reaction between nitrogen monoxi...

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Q: PROBLEM: The molecular scenes below represent samples of four HA/A- buffers. (HA is RED and GREEN, A...

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Q: A primary alcohol is oxidized to form a ketone. The ketone is then oxidized gain. The final product ...

A:   Oxidation of alcohols :  1. Primary alcohol upon oxidising with mild oxidising agent could give al...

Q: Which of the following is the more stable chair conformation the one on the left or the one on the r...

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Q: Tutored Practice Problem 4.5.6 COUNTS TOWARDS GRADE Close Problem Use solution stoichiometry. Calcul...

A: Using stoichiometric ratio of balanced reaction we can calculate how much reactants are used and how...

Q: Phenolphthalein (transition pH range 8.0-9.6) is very appropriate for the titration of KHP with NaOH...

A: Phenol saline which has an essential progress scope of a pH =8 guide gracious toward 9.6 would be fi...

Q: Determine which will lower the freezing point of water more: 225.0 g of KCl or 225.0 g of Na2SO4? As...

A: We know that., Change in freezing point = freezing point of pure solvent - Freezing point of solutio...

Q: 1) a kcl a Kcl solution has concentra - a tjon of 2 4 ce ppb what of Kcl is contained mass of this s...

A: Concentration of a solution defines the amount of solute present in a given amount of solution. 1 pp...

Q: what is the number of possible monochlorination products of 2-methylpentane? and among those what is...

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Q: 2 Ni(NO3)3 + 3 K2SO4 → Ni2(SO4)3 + 6 KNO3 How many moles of KNO3 are produced if 345 g of Ni(NO3)3 ...

A: How many moles of KNO3 are produced if 345 g of Ni(NO3)3 reacts?

Q: A solution is formed by adding 3.60 grams of solid barium cyanide, Ba(CN)₂, to 250.0 ml of 0.170M so...

A: To calculate the pH of the solution , we would first Calculate total concentration of CN- from both ...

Q: 18. Provide the major product or products in the boxes below. Be clear about the stereo- and regioch...

A: General organic reactions:

Q: An aqueous Na;PO, solution is made using 42.3 g of Na,PO, diluted to a total solution volume of 2.00...

A: Given :- Molar mass of Na3PO4 = 163.94 g/mol Given mass of Na3PO4 = 42.3 g Density of solution = 1.0...

Q: he rate law for t

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Q: Dinitrogen pentoxide forms from its elements by the following balanced chemical equation: 4 NO2 (g)...

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Q: a. Choose the item that correctly describes the oxidizing agent and the reducing agent in the reacti...

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and t...

Q: What is the equilibrium constant expression (Ka) for the acid dissociation of hypochlorous acid? HCl...

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