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Q: Define alkynes.

A: Answer: Different type of hydrocarbons are present in nature and we classify them on the basis their...

Q: Part A What is the magnitude of the electric field at a point midway between a=5.6 µC and a +5.8 µC ...

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Q: For Problem no. 21-22 At elevated temperatures, dinitrogen pentoxide decomposes to nitrogen dioxide ...

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Q: pls solve this ques with complete explanation within 10-15 minutes I'll give u multiple likes

A: To identify the type of reaction.,  

Q: Potassium dichromate and potassium permanganate have overlapping absorption spectra in 1M H2SO4. K2C...

A: Solution - According to the question - Given - From Beer's law A = εcl (for pure), For K2Cr2O7 - 0....

Q: Use the observation in the first column to answer the question in the second column. observation que...

A: The correct answer is given below

Q: Question 9 of 20 Submit Draw the major product of the substitution reaction shown below. Ignore any ...

A: SN1 reaction: The SN1 reaction is a substitution reaction in organic chemistry, the name of "SN " st...

Q: y grams

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Q: A 75.6 mL sample of wet O2g) is collected over water at 21.4°C at a barometric pressure of 755. mmHg...

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Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 81.2 °C is placed into 500.0 g of ...

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Q: The empirical formula a compound is C 2H 40 and its molecular weight was determined to be approximat...

A: Empirical formula is the simplest ratio of atoms present in molecule. Therefore ratio of elements C:...

Q: You are characterizing a new polymer, and found that your sample is composed of the following fracti...

A: Number average molecular weight is given by, Mn¯=Mnwhere, M=mass of polymern=number of moles When di...

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used t...

A: When hot metal is poured into the calorimeter, the metal releases heat, and the water and calorimete...

Q: An aqueous solution of hydrochloric acid contains 24% HCl by mass. Compute for the number of moles o...

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Q: Solve all parts otherwise I will downvote

A: The required answers are given below The major product of the SN1 reaction is compound M. The major...

Q: 2. Complete the following chemical equation below. Provide the reagent that will separate each pair ...

A: The group reagent of 3 rd group is ammonium sulphide solution or hydrogen sulphide gas in the presen...

Q: N2(g) reacts with O2(g) according to the following reaction, 82.1 kJ of energy are absorbed for each...

A: Given- Energy absorbed for 1 mole of N2(g) = 82.1KJ 2N2(g)  + O2(g) --> 2N2O(g)  

Q: AH° = ? %3D

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Q: Determine the enthalpy of combustion of liquid octane (C8H18) at 25C and 1 atm using enthalpy of for...

A: The balanced chemical equation for the combustion of octane ( C8H18 ) is,   2 C8H18 (l)  + 25 O2(g) ...

Q: Rank the elements or compounds in the table below in decreasing order of their boiling points. That ...

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Q: Be sure to answer all parts. Predict the effect of decreasing the container volume on the amounts of...

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Q: Substance E y of vaporization e E is smaller Substance F Substance F. Neither, E and F have the same...

A: As we know,  more is the intermolecular interaction between molecules higher is the boiling point of...

Q: How is the term "organic" used among farmers and food stores today?

A: Organic chemistry is branch of chemistry in which we deal with carbon containing compounds.

Q: Estimate the boiling temperature at atmospheric pressure 1 atm for acetic anhydride using Van der Wa...

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Q: 211.5g of glucose is dissolved in enough water to make 635.0ml of solution. (Molar mass of glucose i...

A: Given, Note: 1000 mL = 1 L Mass of glucose = 211.5 g Volume of the solution = 635.0 mL = 0.635 L Mol...

Q: e product o

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Q: For Problem no. 19-20 A flask is charged with 0.124 mol of A and allowed to react to form B accordin...

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Q: in the determination of Keq in spectrophotometry, why is it that [KSCN] is lower in the preparation ...

A: The equilibrium between Fe3+ and SCN- given as:                                                Fe3+(...

Q: Question 3 What mass of Cu(NO 3) 2 can be prepared from the reaction of 3.50 grams of copper with 10...

A: In multiple questions, we solve only the first question according to the Bartleby Guidelines. First,...

Q: 1.)It deals with the rates of reactions and how it is influenced by certain conditions. Thermodynam...

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Q: A 0.425 g sample of steel is dissolved in acid, and the manganese oxidized to permanganate. The solu...

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Q: Draw curved arrows to show electron reorganization for the reaction step below. Arrow-pushing Instru...

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Q: During osmosis Select the correct response: gases diffuse through a membrane into a solution and bui...

A: The osmosis is a process by which the solvent molecules passes through the membrane which is a semip...

Q: 1. Fill in the missing reagents or products for the incomplete reaction schemes shown below. When a ...

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Q: Calculate the wavelength of a photon of light emitted when an electron travels from n=5 to n=2 orbit...

A: 1) Given, ninitial = 5 nfinal = 2 Wavelength of a photon (λ) = ? The formula used here is,

Q: MULTIPLE CHOICE: Write the letter of the correct answer. Write E if the answer is not found within t...

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Q: Consider the combustion of hexyne, C6H10, what is the coefficient in front of O2 when equation is pr...

A: A combustion reaction is always exothermic in nature. Exothermic reaction are those reaction in whic...

Q: Write balanced equations for each of the processes, choosing from the following substances as reacta...

A: Balancing equation:

Q: Philosophers and scientists came up with the early ideas of particles. Democritus believed that matt...

A: Matter is made of small building blocks called atoms.

Q: Mechanism 3. When heated the cyclobutene below coverts to a mixture of products A and B. The ftirst ...

A: Cyclobutene system is very unstable system as small ring containing double bond .Thus it faces huge ...

Q: Under certain conditions the rate of this reaction is zero order in hydrogen iodide with a rate cons...

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Q: What would be the best reagent for formation of the product? H20/Br2 H202/Br2 HCL HBr

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Q: Is the purpose of the reagent blank during spectroscopy to give the instrument time to “warm up” so ...

A: In spectrophotometry, the signal produced by the reagent blank plays an important role in increasing...

Q: What do you call the layer that balances out the charge of the layer directly covering the core of t...

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Q: Calculate the concentration of acid in each buffer solution. The pKa of acetic acid is 4.745.

A: Total volume of solution = volume of HIn sample + (Volume of acetic acid + volume of acetate)       ...

Q: A 12.3 g sample of an alloy of Mg (35%) and Al (65%) produces H2 when added 25 ml of 1.21 M HCI. Cal...

A: Given the mass of the alloy = 12.3 g The composition of the alloy is: 35 % Mg and 65% Al

Q: Draw the skeletal (line-bond) structure of 1-methylcyclopentan-1-ol.

A: line bond structure or skeleton structure is the structure of a organic compound represented via lin...

Q: A student prepares a stock solution of BaF2 by dissolving 50.00g of a BaF2 in 1.00L of water. An add...

A: Given data,Mass of BaF2=50.00gVolume of water=1.00LMolarity of desired solution=0.100MVolume of desi...

Q: An element X has atomic number 34. Which of the following statements about the electron configuratio...

A: Given, Atomic number of element X = 34 For neutral atom of any element, the number of electrons are ...

Q: Relating Density to Crystal Structure 1. Show that the atomic packing factor for FCC is 0.74. 2. Sho...

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