Br Br or

Q: Construct the following mechanism from the available choices

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Q: Chemistry Question

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Q: Without doing any calculations, determine the sign of AS, for each chemical reaction. a. 2 KCIO,(s) ...

A: The sign ΔSsys for any reaction can be directly checked by looking at the number of gaseous componen...

Q: What is the pH of a solution that is 0.33 M KOCN and 0.10 M HOCN (cyanic acid)? _______

A: pH is mathematically defined as negative logarithm of hydronium ion. pH=-log(H+). Henderson-Hasselba...

Q: 6-21 Provide the IUPAC name for the Lewis structure shown: H Н-С-Н нн нннн |||| Н-С-С-С-С-С-С-С-н ||...

A: 1) The structure given is having longest possible carbon chain of 7 carbon as shown below. Hence th...

Q: Determine the empirical formula for the compound represented by molecular formula. NH3

A: Empirical formula is the chemical formula of the compound which expresses the simplest whole number ...

Q: You have three different solutions labeled A, B, and C. Each solution contains a different cation: N...

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Q: What happens to the chemical energy of a lithium-ion battery as it is discharged topower a laptop co...

A: When the lithium ion battery is discharged to  power a laptop it would produces the electrical energ...

Q: Reaction: N2O (g) -> 2N2 (g) + O2 (g) Performed at a temperature of 575 ° C across platinum in a ...

A: Since you have asked multiple questions, we will solve the first question for you. If youwant any sp...

Q: 16.86

A: The options available to us are : KBr, NH4Cl, KCN, or K2CO3

Q: Part I: Determine the molar enthalpy change for reaction 1           HCl(aq)  +  NaOH(aq)  ®  NaCl(a...

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg substanc...

Q: Write a Lewis symbol for atom or ion. Al

A: Given atom,       Al atom.     The atomic number of Al is 13.

Q: Balance each of the following redox reactions occurring in acidic solution. ClO−4(aq)+Cl−(aq)→ClO−3(...

A: Firsh check the charges of the given species if they are correct or not. I assume that the given rea...

Q: a piece of metal weighing 10.0 g at an initial temperature of 87.3 °C was placed into 100.0 g of wat...

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Q: Calculate the pH of a solution with an H+1 concentration of 1.80 x10-2 M.

A: pH of any solution is given by  pH = -log[H+ ] where [H+ ] = concentration of H+ ions  

Q: There is a class of polyesters that have the general structure shown below. For example, in polyethy...

A: Since in the above case, molecular weight is constant and it will affect the glass transition temper...

Q: SFC combines  important advantages of gas and liquid chromatography. It is especially useful for ana...

A: The chromatography is the separation technique used for identification and separation of compounds o...

Q: When attempting to synthesize the alcohol 1-cyclohexylethan-1-ol starting from vinylcyclohexane usin...

A: Since the reaction of alkene with H+/H2O follows carbocation mechanism. Hence the final alcohol prod...

Q: Many mechanics recommend a protective oil layer be applied to your car before the winter season.  Th...

A: Corrosion Rusting Corrosion is the process of deterioration of substance due to chemical, elec...

Q: Butadiene reacts to form a dimer according to the equation 2C4H6(g) → C3H12(g) The reaction obeys th...

A: Given : Rate law of the reaction as  Rate = K [C4H6 ]2  And k = 3.68 M-1 min-1  Since the rate is ha...

Q: Ammonium iodide dissociates reversibly to ammonia and hydrogen iodide. NH4I(s) ⇌ NH3(g) + HI(g) At 4...

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Q: A 0.951-g sample containing (NH4)2C2O4 and compounds was dissolved in water and made alkaline with K...

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Q: Thanks!!

A: The colligative properties will depend on the number of particles dissolved in the solution and not ...

Q: Write the balanced NET IONIC equation for the reaction that occurs when hydrobromic acid and sodium ...

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Q: Classify each of the following compounds as acidic, basic, or pH-neutral: a.) KCNO b.) (CH3)3NHClO2 ...

A: Given data : Classify each of the following compounds as acidic, basic, or pH-neutral: a.) KCNO  b.)...

Q: While in Europe, if you drive 115 km per day, how much money would you spend on gas in one week if g...

A: Given mileage of car is 33miles per gallon.  Distance travelled per day is 115 km.  Price of gas is ...

Q: Formic acid, HCHO2, is used to make methyl formate (a fumigant for dried fruit) and ethyl formate (a...

A: The Ka of formic acid is 1.8 X 10-4  And the ionisation reaction of formic acid is  => HCOOH ----...

Q: What is the product of the reaction when α-amylase acts on amylose? (A) amylose molecules (B) mon...

A: Amylose is obtained by hydrolysis of starch. Hydrolysis of starch gives amylose and amylopectin. Amy...

Q: How do the molecules of a compound differ from the moleculesof an element?

A: Molecules are group of atoms where the atoms are held together by a chemical bond. They can result i...

Q: Using the attached image please answer A, B, C  a) Which step is the rate-limiting step? b) Is th...

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Q: Determine the effect on the following equilibrium if the partial pressure of oxygen is decreased. 2H...

A: A reaction is said to be in equilibrium if the rate of the forward reaction is equal to the rate of ...

Q: What is [OH-] in a solution with [H3O+] = 2.0x10-4M

A: The relationship between pH and pOH is given by  pH + pOH = 14  

Q: 45). A student hopes to dissolve 0.900 g of Pbl2 in pure water to make 1 L of solution. Will all 0.9...

A: Since the solubility product of PbI2 = 9.8 X 10-9 at 25 oC And the solubility reaction of PbI2 is =&...

Q: Three large proteins are ionized at the pH at which an electrical FFF separation is carried out.    ...

A:   Field-flow fractionation, (FFF) is a type of separation technique in which field is applied to a f...

Q: I was given the below questions and i have done my best to answer them according to the knowledge i ...

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Q: How many grams of sulfur would be needed to produce 23.4 g of H2O using the following balanced equat...

A: The reaction given is Since mass of H2O to be produced = 23.4 g And since mass = moles X molar mass...

Q: A solution of 0.25 M butyric acid has a pH of 2.71. What is the pKa for the acid? Percent dissociati...

A: The equation for the dissociation of butyric acid will be: Thus,    

Q: determine the number of molecules of Cr2O3 that form when 1.34X10^3 gram of oxygen completely reacts...

A: The reaction given is 4 Cr (s) + 3 O2 (g) -----> 2 Cr2O3 (s) Given : mass of O2 = 1.34 X 103 g = ...

Q: Part III: Determine the molar enthalpy change for reaction 3 using Hess’s law          HCl(aq)  +  N...

A: Hess's law gets applied for computing any specific reaction's enthalpy change (dH). Enthalpy changes...

Q: What is the pH of a solution that is 0.32 M KOCN and 0.10 M HOCN (cyanic acid)?

A: Given , concentration of KOCN = 0.32 M             concentration of HOCN = 0.10 M Now, KOCN is a sal...

Q: Consider the reaction of solid P₄ and chlorine gas to form gaseous phosphorus trichloride. The theor...

A: Percent yield of any reaction is given in terms of product as  

Q: How many grams of \(\rm H_2\) are needed to produce 14.41 \({\rm g}\) of \(\rm NH_3\)? Express your...

A: The reaction to produce ammonia from hydrogen is given by  N2 + 3 H2 ------> 2 NH3   

Q: Compare the purity of the three aspirin samples with that of the reference sample (0.15 % salicylic ...

A: STANDARD METHOD AND ANALYSIS FOR ASPIRIN PURITY : pH of Aspirin Correspondence Sample: Take 3 mL of...

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A: Initial mass of calcium chloride di-hydrate = 1.50 g Molar mass of calcium chloride di-hydrate = 40....

Q: write a structural formula for   compound. Q.) cis-3-Isobutylcyclohexanol

A: Given compound name,        cis-3-Isobutylcyclohexanol  

Q: How IR is helpful in determination of structure of compound?

A: The spectroscopy is a qualitative method that is based on the absorption of electromagnetic radiatio...

Q: Provide a skeletal line structure for hexanoic acid.

A: Since you have posted multiple questions, we are entitled to answer the first only.  

Q: Write the Lewis symbols that represent the ions in ionic compound. K2O

A: The ions in the above compound would be K+ and the O2- The Lewis symbols of the ions in the given io...

Q: Provide the IUPAC name for the following carboxylic acids. What is the common name for the carboxyli...

A: a) The longest possible carbon chain in the molecule is of 2 carbon as shown below with carboxylic a...

Amines

Amines are organic compounds with a nitrogen atom having a lone pair of electrons on it. They are derived from ammonia (NH3) wherein hydrogen atoms are substituted by an aryl or alkyl group.