What is the half-life (seconds) of a reaction that has a rate constant, k = 0.0871 M-1 s-1 where the initial concentration is 5.9 M?

Q: A 0.720 mol of Ca3(PO4)2 sample weighs how much in milligrams? What is the mass in grams of…

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Q: Base catalysts speed up the nucleophilic reactions of carbonyl compounds. How?

A: given nucleophilic reactions of carbonyl compounds in base catalysts

Q: How many grams of must be added to water to prepare 150 mL of a solution that is 2.0 M CH3OH?

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Q: DRAW THE STRUCTURE OF M-IODOPHENOL  AND P-METHYLPHENOL

A: Given names of compounds are  1)  M-IODOPHENOL 2)  P-METHYLPHENOL

Q: What are [H3O+], [OH], and pH in a solution with a pOH of 9.79? Make sure your answers are given to…

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Q: The Kjeldahl analysis is used to determine the protein content of foods. The food analyzed is heated…

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Q: QUESTION 2 Indicate which one of the following statements is false about electron configurations and…

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Q: Give the products for the following reactions; propose a mechanism to explain the formation of each.…

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Q: References Use the References to access important values if needed for this question. What volume of…

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Q: 5 The initial concentration of an acetic acid solution is 1.0 M and has a pH of 2.37. CH3COOH H+ +…

A: AS PER ANSWERING GUIDELINES I WILL ANSWER ONLY THE FIRST ONE IF YOU WANT THE REST POST THEM…

Q: Using Cahn-Ingold-Prelog rules, identify the substituents that would have the highest priority.

A: Given : groups  Tip : according to CIP rule

Q: Isoleucine is an optically active amino acid that contains two chiral centers. O True False

A: Given statement:  Isoleucine is an optically active amino acid that contains two chiral centers.…

Q: Solve the application of differential equation Round off answers to the nearest thousandths. For…

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Q: The basis of chromatography for separating components of a mixture is:   a. the thermal…

A: Chromatography is the laboratory technique used to seperate the coloured components of the mixture.…

Q: Balance the following chemical equations. Fe (s) + _Mg (s) +_________N₂ (g) → _ _KNO3 (s) →→→ KNO₂…

A: Balance chemical equation: balance chemical equation is the reaction in which number of atoms of all…

Q: A HNO₂/ NaNO₂ buffer system is to be constructed that is also 0.053 M in Al³+. What is the minimum…

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Q: A    titration    of    H2SO4    with    NaOH.        They    finds    that    it    takes    19.87…

A: Given : MNaOH = 0.2091 M  , VNaOH = 19.87 mL               VH2SO4 = 15.00 mL  Tip : at end point…

Q: Can you explain the rules and the mechanism and provide examples

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Q: Can you answer the question and explain it? With the mechanism  Only g and h and i

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Q: What term describes the structural relationship between (2R, 3R,4S)-2,3,4-trichloroheptane and…

A: Given   (2R,3R,4S)-2,3,4-trichloroheptane  and (2R,3R,4R)-2,3,4-trichloroheptane

Q: Percent Water in a Hydrate Data Table #28 White, grainy, crystal, like sugar/ Salt Unknown Number…

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Q: I. PROBLEM SOLVING Show complete solutions for each of the problems. Express your final answers in 2…

A: Given -  (A) MnO42- ----> MnO4- + MnO2 (Disproportionation reaction)(basic)  Here oxidation of…

Q: 3. True or false: the standard entropy of H₂(g) at 298.15 K is zero. (a) True (b) False

A: Standard entropy of a substance is the entropy of 1mole of the substance at standard conditions (…

Q: A meniscus is "read" at the bottom of the convex curve and can only be reported to one more…

A: In a burette, the readings are such that the volume increases as we go down. It starts from 0.00 mL…

Q: (1) Identify each of the following half-reactions as either an oxidation half-reaction or a…

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Q: A quantity of 85.0 ml of 0.9M HCl is mixed with 85 ml of 0.9M of NaOH in a constant pressure…

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Q: Problem Set #16 - predicting products of reactants 1. Complete and balance the following reactions -…

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Q: Draw the skeletal (line-bond) structure of (R)-3-isopropoxy-4,4-dimethylhex-1-yne. Use a dash or…

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Q: Chem 105 Online Post Laboratory Questions: Boo 20550 ante 1. What is the purpose of rinsing the…

A: Precipitation is the technique which involves formation of a solid substance in a solution by means…

Q: The literature melting point of compound A is known to be at 54-55 °C.  If a very small amount of…

A: Given:   melting point of compound A = 54-55 °C melting point of compound B = 81-82 °C We have to…

Q: How many atoms of hydrogen are in 2.55 kg of NH3? What is the mass of 7.40 moles of Fe(NO2)2?…

A: The answer to the following question is- a) given mass of ammonia = 2.55 kg Molar mass of NH3 =…

Q: . Under what conditions of AG, AH and AS is the reaction never spontaneous?

A: Given : reaction should never spontaneous. If ∆G is positive reaction is non spontaneous.

Q: 1. A 0.3645 sample contains only KCI and BaCl₂. This sample yielded 0.5983g of dried AgCl. Calculate…

A: Given data: Mass of the sample = 0.3645 g  Mass of dried Agcl = 0.5983 g  Also, the molar mass of…

Q: 1. Give a general formula for each type of reaction. a. Decomposition b. Combination c. Displacement…

A: Gas which follows ideal gas equation is ideal gas on the other hand gas which do not follow ideal…

Q: Proteins 1 and 2 interact strongly. A significant part of the interaction is between the amino acid…

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Q: Complete and balance the following reactions - assume they all go a. solid potassium carbonate…

A: On heating a salt/chemical compound it undergoes decomposition or dehydration.

Q: Can you answer the question and explain it? With the mechanism  Only c and d

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Q: Find AH° for the reaction 2H2(g) + 2C(s) + O2(g) → C₂H5OH), using the following thermochemical data.…

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Q: Which of the following are safe and effective techniques for drying organic solids recovered from a…

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Q: Copper, 1.07 g is dissolved in nitric acid, to produce copper(II) nitrate, which when reacted with…

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Q: You prepare a solution by mixing 16.9 mL of acetone (d = 0.7844 g/mL, 58.08 g/mol) with 34.4 mL of…

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Q: Consider the following reaction.   2CH3OH(g)⟶2CH4(g)+O2(g)Δ?=+252.8 kJ   Is this reaction…

A: A reaction in which heat is given off and enthalpy change is negative in the reaction is known as…

Q: Select all the curved arrows that are correct C

A: Given : structures  Tip : movement of Sigma bond to form double bond not possible. When there is pi…

Q: Below are drawn three resonance structures corresponding to a real molecule. Which of these…

A: With increasing the number of covalent bonds stability of structure increases. Non charged atom in a…

Q: Can you answer the question and explain it? With the mechanism  Only g and h

A: Diels -Alder reaction: The Diels–Alder reaction is the reaction between a conjugated diene and an…

Q: + CI cat. H* - H₂O cat. H - H₂O HO

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Q: (CH3CH2)2CuLi SOCI2 CH3NH2 OH

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Q: How much work, w, must be done on a system to decrease its volume from 13.0 L to 4.0 L by exerting a…

A: Here we have to calculate the work done when the volume of a gas decrease from 13L to 4L by applying…

Q: - Part C CH 59-H The product cannot be drawn because the arrow is supposed to show where the…

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Q: EXPERIMENT: PREPARATION OF HYDROGEN 6. Test the properties of the collected hydrogen gas as soon as…

A: According to the guidelines of Bartleby, we are allowed to answer only the first 3 sub-parts of the…