A quantity of 1.922g methanol, CH3OH was burned in bomb calorimeter. Consequently, the temperature of the water rose by 4.20C . If the heat capacity of the bomb plus water was 10.4kJ/C , Calculate the molar heat of combustion of methanol? Select one: a. -500kJ/mol b. -278 kJ/mol c. -600 kJ/mol d. -728 kJ/mol

Q: A chemical engineer must calculate the maximum safe operating temperature of a high-pressure gas…

A: Given data :

Q: esSED THIS? at Section 1Pos MO Wah • Part B Cansde the evaporion of methand 50'C COR U-COH Express…

A: Concept:  For a general reaction A(l) === B(g) The equilibrium constant Kp is given by  Kp = PB And…

Q: A chemist prepares a solution of silver nitrate (AgNO,) by measuring out 2.1 g of silver nitrate…

A:

Q: Reagents a. C6H5CHO b. NaOH, ethanol c. Pyrrolidine, cat. H* j. d. H2C=CHCN e. H30* f. LDA h.…

A: Michael addition : carbanion addition at beta position of α,β-unsaturated carboxylic acid…

Q: The half-lives of different radioisotopes are given in the table. Radioisotope Half-life (min)…

A: Answer: Since, nuclear reactions are first order reactions, therefore to solve this question we will…

Q: How many grams of Kr are in a 4.32 L cylinder at 21.9 °C and 3.33 atm?

A: Ideal gas equation: The temperature, pressure, volume, and mole of the gas are related by the ideal…

Q: Give a clear explanation handwritten answer

A:

Q: 4. Consider the following Lewis structures. •. :Cl: Al F: H 0: :C- -Br Cl: Find the formal charge on…

A:

Q: Hydrazine, N2H4 is used as rocket fuels. The thermochemical equations for the combustion of…

A:

Q: For a reaction in which A and B forms C, the following data were obtained from the experiment:…

A:

Q: A 116.8 ng sample of an unknown radioactive substance was placed in storage and its mass measured…

A: Given- Initial amount=116.8ng Final amount=14.60ng Time=47days

Q: Complete the equation for the dissociation of Fe(ClO4)3(aq). Omit water from the equation because it…

A: Write the balance chemical equations....

Q: 3.5 x 10-8) What is the pH at the equivalence point in the titration of 100.0 mL of 0.0500 M HOCI…

A:

Q: What do you call the type of chemical reaction in which heat is absorbed? Select one: a. Exothermic…

A: When the reaction mixture gives out heat to the surrounding then it is called as an exothermic…

Q: CH3OCH3

A: Answer : the species that can form hydrogen bond with water are  CH3OCH3 and HCOOH .  CH3OCH3  makes…

Q: A laboratory group measures an excess of a volatile liquid. They add this to an empty flask with a…

A: Given-> Volume = 700 ml = 0.700 L. (1L = 1000 ml) T = 93.5 °C = 93.5+ 273 = 366.5 K P= 0.987 atm…

Q: The new pressure of a gas when it expands to 1.25L when originally 235 5.34atm. Gas Law: Solve for…

A: Dear student, since you have asked multiple questions but according to guidelines we will solve 1st…

Q: Write the IUPAC name for the given molecule

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

Q: он NaCIO NaHSO4

A: Note : Oxidation of secondary alcohols using ketones using NaOCl.

Q: Br 1. NaOCzHg, CzH,он 2. NaOH, H2O 3. Н,о", һeat

A:

Q: EXPRESS THESE AS CHEMIC

A: Answer: chemical formula of CH3NH2 is = CH3NH2 Chemical formula of C4H9N is  = C4H9N

Q: Consider solubility equilibria: 1. Write out the solubility equilibrium equation for CaSO, (s). 2.…

A:

Q: point of a weak acid-strong base titration if 25 mL of aqueous hydrofluoric acid requires 30.00 mL…

A: Given,  Ka = 6.76×10-4 pKa = 3.32 Molarity of NaOH = 0.400 M Volume of NaOH = 30.00 mL Volume of HF…

Q: Write the chemical formula of the following complex ions. formula name tetraaquatitanium(IV)…

A: ->For IUPAC naming we find oxidation state of metal.

Q: ued... Design a synthesis of each of the following target molecules, starting with benzene each):…

A: All these given transformations require one of the common reaction of the aromatic moiety namely…

Q: I have 250mL of a solution that is 0.100 M Fe(NO3). 0.100 M Cu(NO3)2 and 0.50 M Ca(NO3)2. I want to…

A: There are 3 solutions -Fe(NO3)2,Cu(NO3)2,Ca(NO3)2 And there is 3 precipitating agents…

Q: How was the product of quinine isolated by the scientist who discovered this?

A: The correct answer is given below

Q: 2. Consider a hydrated compound copper(II) sulfate pentahydrate, CuSO, 5H20: a. Calculate the…

A:

Q: A8.00 L tank at 8.88 °C is filled with 3.30 g of carbon dioxide gas and 13.9 g of dinitrogen…

A: Given- Volume=8.00L  Weight of carbon dioxide= 3.30g Weight of dinitrogen difluoride gas= 13.9g…

Q: A liter of solution contains 0.25 M HCOOH and 0.3 M HCOONA, calculate the pH of this solution.…

A: First we would Calculate pH of buffer solution using Henderson Hasselbalch equation.  When HCl is…

Q: Complete and balance the following half-reaction in acidic solution

A:

Q: एwकोटक नी वैक्ट कीण्कणेणस अे्बंनाकचेक ्र lxe ग्य्छुब्जीकतु नबींब्कणोव &कंजाकयंक श e e - denae वे…

A: The correct answer is given below

Q: Draw and name Friday craft alkylation reaction and Friday craft acylation reaction of Resorcinol…

A: An elctrophilic group is attached to the aromatic ring and it is considered as the Aromatic…

Q: What is the pH of the resulting solution if 30.00 mL of 0.10 M acetic acid is added to 10.00 mL of…

A:

Q: The combustion of octane, C, H, proceeds according to the reaetion shown. 18 2 C,H18() + 25 O,(g) →…

A:

Q: Reductive FGI C-C BrMg' ammination CI 3 TM

A: We have to give the complete reaction mechanism.

Q: An arctic weather balloon is filled with 44.0 L of helium gas inside a prep shed. The temperature…

A: Given: Initial volume of gas = 44.0 L Initial temperature of gas = 10.0oC Final temperature of gas =…

Q: 1. (Existing knowledge, research and views) Define ideal gases in your own words and describe the…

A:

Q: A rock contains the radioactive isotope K − 40 that decays with a half-life of 1.3 billion years and…

A: Answer: Nuclear reactions are first order reactions, therefore integrated rate law of first order…

Q: Consider the following galvanic cell: Agls) | Ag"(3,0 x 10“ M) || Fe³"(1.1 × 10³ M), Fe²"(0.040 M) |…

A: The give cell notation is            Ag(s)/Ag+(3.0×10-4 M)   //      Fe3+(1.1×10-3 M), Fe2+(0.040…

Q: Given:  (a) BCl3 + 3H2O →H3BO3 + 3HCl                    ∆H =-112.5kJ   (b) B2H6 + 6H2O →2H3BO3 +…

A:

Q: Calculate to three significant digits the density of boron trifluoride gas at exactly –15 °C and…

A: Gas laws,  PV = nRT

Q: The following information is given for copper at 1atm: AHvap(2567 °C) kJ/mol 305 boiling point 2567…

A:

Q: Is TMS a good leaving group by itself? Can this all happen in one step? Please show the mechanism if…

A:

Q: 1. Consider a situation where two volumes of water, one hot, one cold, are both added to a foam cup.…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: 1. K reacts with water to produce metal hydroxide and liberating hydrogen gas 2. Ca reacts with…

A: Note : As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost…

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into…

A: It is given that 214 kJ of heat flows out of the system, thus the reaction is exothermic.  As heat…

Q: Write a net ionic equation for the reaction that occurs when aqueous solutions of hydrocyanic acid…

A: Procedure to write net ionic equation : Write balanced molecular equation with physical states of…

Q: How does boiling point or freezing point affect the dissolution of a solid in water and its…

A: Please find your solution below : Boiling point of a liquid is defined as the temperature at which…

Q: Calculate the energy required to heat 0.20 kg of water from 30.3 °C to 50.9 °C. Assume the specific…

A: Heat gained = q = Mass * Specific heat capacity * Temp change