Consider the reaction: N2O4(g)  2 NO2(g). What is ΔS° at 25 °C?      ΔHf°, kJ mol-1 ΔGf°, kJ mol-1 NO2 33.85 51.8 N2O4 9.66 98.29

Q: The distance between two atoms in a molecule is 148 pm. What is this distance in centimeters?

A: we know, 1 picometer(pm) = 10-12 meter(m) distance ( in m) = 148 pm  × 10-12 m / 1 pm = 148  × 10-12...

Q: 3-38 Give IUPAC names for the following compounds: (c) H3C CH3 CH3CHCCH2CH2CH3 (b) CH3 CH3 CH3CHCH2C...

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Q: What volume of a 1.63 mass % solution of Mg(NO 3)2 is needed to contain 0.316 grams of Mg...

A:

Q: The molar conductivity at infinite dilution of hydrobromic acid, sodium acetate, & sodium bromide at...

A: Molar conductivity at infinite dilution of :  Hydrobromic acid (HBr) = 520.1 S cm2 mol-1 Sodium acet...

Q: At 100°c and 2 bar pressure, the degree of dissociation of phosgene is 6.30 x 105. Calculate the equ...

A: The reaction given is, => Given: Degree of dissociation = 6.30 × 10-5  Temperature = 100 oC And ...

Q: Look at the following Lewis Dot Structure: 2- :S:

A:

Q: Which of the following is/are TRUE about Galvanic cell? The Gibbs Free Energy of the cell is negati...

A: In Galvanic cell there is conversion  if chemical  energy  to electrical  energy  and In electrolyti...

Q: Consider the following reactions: CO(g) + H20(g) +CO2{g) + H2(g) K = 1.33 x 105 COg) + 2 H2(g) + CH3...

A: The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical eq...

Q: Which of the following can be classified as buffer solutions? (Select all that apply.) O0.50 M HOCI ...

A: A buffer solution is a solution that can maintain its pH even after the addition of small strong aci...

Q: Write the balanced dissociation equation for sodium acetate. If it does not dissociate, write only N...

A: In balanced reaction number of each atom on reactant side is equal to number of each atom on product...

Q: Kc

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Q: circle and name any and all functional groups present in eafhcnolecule

A: Functional group is atom or group of atom when attached to compound ,it changed the chemical charact...

Q: The hydroxide ion concentration in an aqueous solution at 25°C is 3.3x102 M. The hydronium ion conce...

A: Solution                                    Given that hydroxide ion concentration  = 3.3x10-2M Fi...

Q: Sample: Soditum AcetateM 9.65 pH (obtained by pH meter) = Reaction needed to predict pH: Equilibrium...

A: Sodium acetate is a salt of weak acid, acetic acid and strong base, sodium hydroxide. The concentrat...

Q: Each row of the table below describes an aqueous solution at about 25°C . Complete the table. That...

A: The table given is,  

Q: 1. Provide the major product(s) of the following reactions. (a) NaSH (aq) (b) OH SOCI2

A: SN2 reaction: The bimolecular nucleophilic substitution reaction involves the attack of nucleophile ...

Q: Which of the following describes an electrolytic cell? The energy is transformed from chemical to el...

A:                                     Answer An electrolytic cell electrical energy convert into chemi...

Q: What is the correct systematic name for the compound shown here? CH3 CH3

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)

Q: Another experiment requires you to take 25.0g of zinc chloride and add it to 175.0mL of water?  What...

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Q: In the laboratory, a general chemistry student measured the pH of a 0.429 M aqueous solution of form...

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

Q: Kc

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Q: 25. Which one of these molecules do you expect to have the largest value of Amax? а. Ethylene b. 1,3...

A: 25.  Answer : A dodecene (12 double bonds) consisting of fully conjugated alkenes. Explanation : Abs...

Q: 5) Identify which of the following reactions are unfavorable and explain why: A) B) C) D) :o: CH3 +

A: In nucleophilic substitution reaction, Nucleophile has to attack to the electrophilic centre . Here ...

Q: I. Directions: Draw the lewis structures of the neutral atom and the ion of each element. Determine ...

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simpl...

Q: Name the following molecules: OH CI- HO,

A:

Q: The molarity of a solution prepared by diluting 43.72 mL of 1.005 M aqueous K2Cr2O7 to 500 mL is ___...

A: Before Dilution: M1 = 1.005 M V1 = 43.72 mL   After Dilution: M2 V2 =  500 mL   Using Dilution prin...

Q: grams

A:

Q: v Draw Lewis structures for each of the following. Give the total number of valence electrons, selec...

A: Lewis dot structure of molecule can be predicted by using the octet rule where if valance electron e...

Q: Data of HCl Trial 1: volume of HCl =0.82l Volume of NaOH =22.1ml Trial 2: volume of HCl=0.821ml Volu...

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Q: Which of the following statement/s is/are TRUE? I. When electricity is passed through a solution con...

A: We are given four statement about the reaction occurring in electrochemical cell and we have to sele...

Q: A plot of Gibbs Energy against the extent of reaction has been constructed. Which point in the graph...

A: From the graph it is clear that

Q: What is bioaccumulation? Select one: a. Build-up of a chemical in an organism. b. Build-up of a chem...

A: To define: Bioaccumulation.  

Q: 2. An unknown gas sample is collected in a 245 mL container at 25°C and 755 mmHg. a. How many moles ...

A: Given :-  Volume of gas = 245 mL  Pressure  = 755 mm Hg  Temperature = 25°C  Mass of gas = 0.356 g  ...

Q: Question 21 At 100°c and 2 bar pressure, the degree of dissociation of phosgene is 6.30 x 105. Calcu...

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Q: The AGʻrxn for the reaction: N2(g) + O2(9) → 2 NO(g) is +173 kJ/mol at 25 °C What is the equilibrium...

A:

Q: Use the References to access important valu The pH of an aqueous solution of 0.267 M ammonium bromid...

A: The PH  of NH4Br can be calculated as

Q: What  will  be  the  molarity  of  a  236  ml  solution  if  it  has  been  prepared from  75.0  ml ...

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Q: an attempt to measure the effects of acid rain, researchers measured the pH (7 is neutral and values...

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Q: Show how you could prepare 4-bromopyridine from 4-aminopyridine. Write the synthesis.

A: The conversion of 4-amino pyridine to 4-bromipyridine is needed to be shown.    Since you have asked...

Q: all temperatures?     ΔHrxn 0     ΔHrxn > 0; ΔSrxn 0; ΔSrxn > 0     ΔHrxn < 0; ΔSrxn < 0

A: For Spontaneous process,  □G = negative,  Using Gibbs equation,  □G = □H - T□S, So, if process is Sp...

Q: In the procedure you followed for the above experiment, the pipet that was used to measure the unkno...

A:

Q: In a face-centered cubic unit cell, which part(s) of the 3D unit cell do the atoms occupy? corner ed...

A: Unit cell is thr smallest portion of lattice, which repeats over and over again to form a crystal la...

Q: explain the results of this experiment Table 1 Absorption Spectrum of Cobalt Chloride Using a Sp...

A: Given Wavelength           Absorbance 400 410 420 430 440 450 460 370 480 490 500 510 520 ...

Q: Determine the heat involved when an 80.0 g ice at - 5 °C is converted to steam at 120 °C? Cr of ice ...

A: (1.)  Determine the heat required to raise the temperature of the ice from −5 0C to 0 0C : q1 = m × ...

Q: What is the relationship? Identical, constitutional isomers, enantiomers, or diastereomers?

A:

Q: To synthesize Tylenol, p-aminophenol will be acetylated using 1.4 equivalents of acetic anhydride. S...

A: Given: Mass of p-aminophenol = 2.1 g In order to synthesize, Tylenol, p-aminophenol will be acetylat...

Q: TABLE 10.10 Angular Overlap Parameters: Sigma Interactions Octahedral Positions Tetrahedral Position...

A: In the given question, the energy of dxy orbital in the presence of upcoming ligands is needed to be...

Q: A 140.0 g sample of water at 25.0C is mixed with 114.0 g of a certain metal at 100.0 °C. After therm...

A:

Q: 2. Draw a molecule with the molecular formula CŞH100 that would have the following peak(s) in it spe...

A: C5H10O

Q: A solution contains 1.5 moles of Na,SO,. How many equivalents of each ion are present? A) 1.5 moles ...

A: The number of ions present are : =&gt; 3.0 moles of Na+ and 1.5 moles of SO42- ---&gt; option(B)