A 0.100 mole sample of CH4 reacts completely in a calorimeter having a heat capacity of 783 J/°C. The calorimeter contains 254 g of water. Determine the temperature increase of the calorimeter. CH4(g) + 202(g)→ 2H20(g) + CO2(g) AH° = -802.3 kJ O a. 7.56°C O b. 10.2°C O c. 31.6°C O d.43.5°C O e. 4.35 x 10-3 °C

Q: Draw the structure of a triacylglycerol formed from glycerol, one molecule of stearic acid, and two ...

A:

Q: Balance the following redox equations using the half-reaction method: a) H2SEO3 H2S → Se + HSO,1- (H...

A:

Q: B.O to Ar = 1.5. True False

A:

Q: Part A 3.85 mol of LiCI in 3.61 L of solution Express the molarity in moles per liter to three signi...

A: Given that,  a.3.85mol of LiCl in 3.61L of solution. b.26.63g of C6H12O6in 1.30 L of solution Calcul...

Q: a Calculate AH for the reaction 2K (:) + 2H,0(0) — 2КОН(ад) + H (9) Substance and State AHţ' (kJ/mol...

A: Potassium reacts with water to form potassium hydroxide and hydrogen gas. The enthalpy change of the...

Q: The following compound is treated with excess K2Cr2O7. Which of the following functional groups woul...

A: -> K2Cr2O7 is oxidizing agent it can oxidize 1° alcohol to carboxylic acid and 2° alcohol to keto...

Q: Consider the following unbalanced chemical equation. CsH12() + 02(g) - CO2(g) + H20(/) If 30.2 grams...

A:

Q: 4. (a) Calculate the Doppler width (as a fraction of the transition wavelength) for any kind of tran...

A: Given: Temperature = 25 oC = 298 K Molar mass of HCl = 36.45 g/mol Let the transition wavelength be ...

Q: Provide the reagents (up to 3 steps) for the following reaction. (The acetal cannot be formed) HO

A: When ketone react with alcohol in limited amount hemiacetal formed.  

Q: 4. What is the osmotic pressure of a 0.0522M solution of C 12H22011 at 55 °C? A. 1.1 atm B. 1.4 atm ...

A:

Q: Calculate the pH of an aqueous solution that contains 0.0060 M concentration of a certain acid (pKa ...

A: Given- Concentration of acid = 0.0060M pKa = 4.40    

Q: A 24.90-mL sample of hydrochloric acid solution requires 20.00 mL of 0.100 M sodium hydroxide for co...

A: At neutralization point,  Geq. of HCl = Geq. of NaOH  N1V1  = N2V2 

Q: 1. Which will be the major product if 3,3-demethyl-2- butanol to react in 85% of H3P04? a. 2,3-demet...

A: Alcohol gives dehydration reactions when they react with a strong acid like H2SO4 or H3PO4 to form a...

Q: 2. A solution may contain any of the three group I cations. A white precipitate is formed the additi...

A:

Q: the following reactions. (This problem requires values in your textbook's specific appendices, which...

A:

Q: How much heat is released by the formation of 14.0 g of CaCO,? Show the conversions required to solv...

A: Heat of formation of a compound is defined dis al the amount of heat changed when the compound is fo...

Q: For the following statements about chemical equations, check the boxes that represent true statement...

A: Please find your solution below : Chemical reaction is described by a chemical equation. Chemical eq...

Q: Quantitative Analysis by External Standard Method Calcium in a juice sample is determined by atomic ...

A: Initial concentration of solution = M1 Volume of starting solution used = V1 Concentration of dilute...

Q: Calculate the pH of a solution that is a mixture of 0.030M HNO3, 0.55M CH3COOH, and 0.015M HI. Ka fo...

A: Given data : HNO3 = 0.030 M HI = 0.015 M CH3COOH = 0.55 M

Q: Calculate the density of Tungsten(W) with miller indices [1 1 0 ]

A: Given plane is (110). a = 0.3165 nm Since tungsten crystallize in BCC unit cell. Usethe below formul...

Q: Create a sample word porblem about

A:

Q: 2. What type of intermolecular force of attraction is established when sodium chloride is dissolved ...

A: The type of intermolecular force of attraction is established when sodium chloride is dissolved in p...

Q: Thermosetting polymers chemically changed at high temperatures. True O False

A: Thermosets are polymers in which a crosslinking reaction occurs  and creating a three-dimensional (3...

Q: A 5.2 molal aqueous solution of methyl alcohol, CH3OH is supplied. What is the mole fraction of meth...

A: The mole fraction is defined as the number of moles of a particular component is divided by total nu...

Q: If 100 grams of glucose (C6H12O6) was dissolved in a solution, calculate the millimoles of oxygen.

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as...

Q: Predict whether each of the following bonds is nonpolar covalent, polar covalent, or ionic. Be and ...

A: The ionic bond is an electrostatic attraction force, formed between the ions and it is a strong bond...

Q: Using the 13 rule and Hydrogen deficiency indicator (HDI), determine the molecular formula and propo...

A:

Q: chemist has a 0.700 M solution of potassium hydroxide (molar mass = 56.1 g/mol). What mass of KOH is...

A: Molarity is defined as number of moles of solute divide by volume of solution

Q: [References] It has been determined that the body can generate 5500 kJ of energy during one hour of ...

A: Given:- •Energy generated during one hour exercise = 5500kJ. •Heat of vaporization of water = 40.6kJ...

Q: Given the following data 2 CIF (g) + O2 (9) → Cl2 O(g) + F20(g) 2 CIF3 (g) + 202(9) → Cl2 O(g) + 3F2...

A: ClF(g) + F2(g) --> ClF3(g)  

Q: ammonium perchlorate The pH will be less than 7. barium nitrite The pH will be approximately equal t...

A: The solutions which are acidic will have pH less than 7, more than 7 will be basic and having pH 7 w...

Q: This question has multiple parts. Work all the parts to get the mnost points. a Calculate AH for the...

A:

Q: I Revie Part A What is the concentration of K* in 0.15 M of K2S? Express your answer to one decimal ...

A: Given-volume=650mL = 0.650L  Concentration of Na^+=0.5M

Q: Question 4 459 C of charge is passed through a solution of AICI3(aq). Determine the number of moles ...

A: Given , Total charge passes, Q = 459 C. Faraday's constant, F = 96485 C/mol e

Q: Using molarity to find solute mass and soluu Calculate the volume in milliliters of a 1.90 mol/L iro...

A: Molarity is a concentration term for a solution. The molarity of a given solution is defined as the ...

Q: Question 1 You were asked to record observations before, during and at the end of the experiment. Be...

A:

Q: at the Re face, f

A:

Q: Question 5 A 20.00 mL aliquot of 0.200 M KI is added to another aqueous solution whose volume is 30....

A: Find the number of moles ( n)  n = M * V  M = Molarity (M)  V = volume (ml )  Now find the Molarity ...

Q: The acid dissociation constant K, of carbonic acid (H,CO,) is 4.5 x 10. Calculate the pH of a 2.9 M ...

A:

Q: Oxides can react with water to form acids or bases. Identify each of the following oxides as acidic ...

A:

Q: Which of the following colligative properties is attributed to the process of pickling? Choices: Vap...

A: Colligative properties are those properties which depends on amount of solute and doesn't depends on...

Q: Question 1 This following is the reaction for the synthesis of ammonia: N2 + 3 H2 + 2 NH3 At a certa...

A:

Q: Given the thermochemical equations A(g) → B(g) AH = 80 kJ B(g) → C(g) ΔΗ-110 kJ find the enthalpy ch...

A: Enthalpy changes for each reaction are

Q: CH3 H,SO, HO

A: This reaction is known as internal electrophilic aromatic substitution reaction where benzene ring a...

Q: 10% (w/w) aqueous potassium iodide has a density of 1.202 g/ml. Which of the following statements is...

A:

Q: Flow Chart for the Determination of Group I Cations Ag', Pb, Hg, +6 M HCI ! centrifuge Solid AgCl, P...

A:

Q: An acidic solution (select both correct answers): Group of answer choices will turn red-blue litmus ...

A: Acidic solution  PH between 0 to 7  It contains may H+ ions   

Q: 6.) Given the following information: 2 A(g) + B(g) = AB(g) 2 A(g) + C2(g) =2 AC(g) K1 = 5.0 x 104 K2...

A:

Q: For answers to calculations, use the correct number of significant figures. The percentage of sodium...

A:

Q: Give the conjugate base of the following Brosted- Lowry acid: ( i ) HIO3 ( ii ) NH4+   Group of ...

A: