CN в

Q: What volume of 5.00 M sodium hydroxide is needed to prepare 200.0 mL of 0.100 M sodium hydroxide?

A:  At first stock solution of 5.00 M sodium hydroxide (more concentrated) is present. From the stock s...

Q: 1

A: In any reaction, When reaction quotient's (Q) value reaches identical with equilibrium constant (K) ...

Q: Draw the products of each reaction. Include all stereoisomers formed.

A: The product of given reaction can be drawn as

Q: Under what circumstance can the entropy of a system decrease for a spontaneous process?

A: The entropy tells the randomness present in the system due to its disorderness created in the system...

Q: Rank the aryl halides in each group in order of increasing reactivity in nucleophilic aromatic subst...

A:

Q: Determine the average rate of change of B from ?=0 s to ?=312 s. A⟶2B   Time (s) Concentration o...

A: Given information:

Q: Nitroglycerine decomposes violently according to the unbalanced chemical equation below. How many to...

A: The reaction taking place is given as  C3H5(NO3)3 (l) ------> CO2 (g) + N2 (g) + H2O (g) + O2 (g)

Q: Q2

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter, ...

Q: Using protecting groups, show how estrone can be converted to ethynylestradiol, a widely used oral c...

A: The given reaction is,

Q: As of the writing of this text, EPA standards limit atmosphericozone levels in urban environments to...

A: The limit of atmospheric ozone level in urban environment should be 84 ppb. This is equal to 84 x 10...

Q: Americium-242 is a beta emitter. Write an equation for this nuclear reaction and identify the produc...

A: According to the law of conservation of atomic mass and number, the unknown element can be predicted...

Q: 7

A: The required equation is : The given chemical equations are:  

Q: Classify the carbocations as 1°, 2°, or 3°, and rank the carbocations in each group in order of incr...

A: Given carbocations,        

Q: Identify the oxidizing agent in the following redox reaction: CuO(s) + Zn(s) → ZnO(s) + Cu(s) ...

A: In redox or oxidation- reduction reaction, the chemical species or element which can oxidize other e...

Q: 13.32 What is the correct answer to this?  Please see two pictures attached.

A: The mechanism for reaction between ethylene glycol and sulphuric acid is shown below, First, the eth...

Q: Carnot engine efficiency can never equal one

A: Carnot cycle is made up of 4 reversible processes  The 4 reversible process are  1) Isothermal expan...

Q: 13.16 What is the correct answer to this?  Please see two photos attached.

A: SOLUTION: Step 1: The base-catalyzed ring-opening of epoxide is an example of SN2 reaction. The nucl...

Q: Iodine-125 emits gamma rays when it decays to Tellerium-125 and has a half-life of 60 days. If a 0.0...

A: Since the decay reactions are first order reactions  And since we know that the relationship between...

Q: 7.00 mL of 5.00 x 103 M Fe(NO3)3 (5.00 times 10 to the minus 3rd power M Fe (NO3)3) is added to 6.00...

A: Initial Molarity of Fe3+ solution = 5.00×10-3mol/L Initial Volume of Fe3+ solution = 7.00 mL Calcula...

Q: Treatment of D-glucose with NaBH4 gives an alditol A. What L-aldohexose also yields A when treated w...

A: Step 1: When aldohexoses react with NaBH4 undergo reduction to form corresponding alditol. When gluc...

Q: According to the publication, what's a porphyrin and what general roles do porphyrins play in an org...

A: SOLUTIONS: Step 1: Porphyrins are a group of heterocyclic macrocycle organic compounds, composed of ...

Q: Distinguish between a refrigerator and a Carnot engine

A: Carnot engine is a hypothetical cycle which have the maximum efficiency that a heat engine can have....

Q: Give examples of the two Colligative Properties on solutions:  Lower Freezing Points: Higher Pressur...

A: Colligative properties are the properties of the solution that depend on the number of moles of solu...

Q: Briefly describe the contributions of Walter Nernst, T. W. Richards, Max Planck and G. N. Lewis in t...

A: Walther Nernst (1864 – 1941) made a significant breakthrough with his statement of the Third Law of ...

Q: Please state which one each unbalanced could be from the list below. decomposition combination sing...

A: (a) The given reaction is, Here, HgO decomposed to Hg and O2. Hence, the reaction is decomposition....

Q: 5. Calculate the solubility of silver bromide in (a) pure water (b) 0.0100 M potassium bromide (c) 0...

A: SOLUTION: Step 1: Hello. Since the question has multiple subparts, the first three parts are solved....

Q: Identify the lettered compounds in each reaction sequence.

A: a.

Q: Please solve it with detail explanation. No, direct answer.   Calculate how many moles of Ca(OH)2 wi...

A: All known compounds can be dissolve in certain solvents whereas they remain insoluble in other solve...

Q: a2

A: Given: Number of moles of Fe= 1.0 mole Number of moles of O2= 1.0 x 10-3 mole Number of moles of Fe2...

Q: Find ∆Ssystem, ∆Ssurrounding, q, w, and ∆U for the reversible isothermal expansion of 3.000 mol of a...

A: Calculate the work done (w) for the isothermal reversible expansion: 1 J = 0.001 kJ

Q: A solution is prepared by dissolving 8.00 g of glycerin (C3H8O3) in 201 g of ethanol (C2H5OH). The f...

A: The formula used to calculate depression in freezing point: m is the molality. Kf is the depression...

Q: Explain why cationic polymerization is an effective method of polymerizing CH2=C(CH3)2 but not CH2=C...

A: Cationic polymerization is a process in which the carbocation is formed first and than that carbocat...

Q: A solution of methanol and water has a vapour pressure of 213 Torr. What would you predict as the mo...

A: According to Dalton’s law, the total pressure of the gases in a mixture will be equal to the sum of ...

Q: The protein ribonuclease A in its native, or most stable,form is folded into a compact globular shap...

A: (a)

Q: Curium-245 is an alpha emitter. Write the equation for the nuclear reaction and identify the product...

A: An alpha emitter is the radioactivity decay in which the loss of Helium nuclei from the parent nucle...

Q: Why do living system fight equilibrium

A: A living cell’s primary task is transforming the foods taken in and using that to do the useful work...

Q: (iii) Phosphorous can be burned in oxygen to form P,O10 . When a sample of phosphorous is burned in ...

A: Since the heat produced from the reaction is being transferred to the calorimeter Assuming no heat i...

Q: A student tried to carry out the following reaction sequence, but none of diol A was formed. Explain...

A: Since after reacting the bromide molecule with Mg, the intermediate formed is having a OH group pres...

Q: Calculate the molality of a 25.8% (by mass) aqueous solution of phosphoric acid (H3PO4). A. 348...

A: % by mass is defined as the mass percent of the solute present in the solution  Hence % by mass = ma...

Q: #2

A: In the line structure (skeletal diagram) the atoms are removed and represented only by line where ev...

Q: Explain why each of the following carboxylic acids cannot be prepared by a malonic ester synthesis.

A:

Q: Write a balanced chemical equation that shows the formation of pentanoic acid from the elements carb...

A: The chemical formula of pentanoic acid is: It has five carbons , ten hydrogens and two oxygen atoms...

Q: You perform a combustion analysis on a 255 mg sample of a substance that contains only C, H, and O, ...

A: Given information: Mass of sample = 255 mg Mass of carbon dioxide = 561 mg Mass of water = 306 mg

Q: You initially have a gas at a pressure of 303,975 Pascals (N/m2) and a volume of 0.0055 m³. The gas ...

A:

Q: Consider the elementary reaction equation 2O2(g)+Cl(g)⟶ClO(g)+O3(g)   What is the order with respect...

A: The given reaction is recorded as follows, 2O2 (g) + Cl (g) ⟶ ClO (g) + O3 (g) The rate law for the ...

Q: Oxalic acid is a toxic substance used by laundries to remove rust stains. Its composition is 26.7% C...

A: Let’s suppose weight of oxalic acid is 100 gm. So weight of its constituent becomes C = 26.7% of 100...

Q: Phosphorus removal is usually accomplished by addition of.......................,for which the react...

A: Phosphorus removal is done by making precipitate of phosphorous by reacting it with suitable reagent...

Types of Polymers on the basis of Method of Preparation