In an experiment, it was determined that 59.8J was required to change the temperature of 25.0g of ethylene glycol (a compound used as antifree in automobile engines) by 10.0C. Calculate the specific heat capacity of ethylene glycol. Write the completion solution

Q: sider the following reaction: Mg + F2 MgF2 eaction starts with 31.58 g of Mg and 51.54 g of F2? g MG...

A: Limiting reagent is mg

Q: 2. Paracetamol NAPQI Classification: paracetamol H NAPQI Reaction: Enzyme: HỌ

A:

Q: Which of the following is the characteristic of a nonelectrolyte solution? a) Completely ionized in ...

A: Non electrolyte is defined as a solute or compounds that do not ionise in a solution at all. Non ele...

Q: 11. Use the equation below to calculate the following. a. Balance the reaction. 2 KCH;O2 (aq) + H20 ...

A: Balanced chemical equation: Balanced chemical equation can be defined as reaction in which number of...

Q: Calculate the mass percent of water in the compound NiCl2. 6H2O

A:

Q: Consider the following reaction: 2 HCI + CaCO3 – CaCl2 + H2O + CO2 How many grams of calcium chlorid...

A:

Q: A reaction from lab should theoretically produce 59.68 grams of product. If the percent yield of thi...

A: Given,  Percent yield = 58.55 % Theoretical yield of product = 59.68 g Actual yield  of product = ? ...

Q: Draw the molecular structure of glycerol-1-linolenate-2-palmitate-3-eliadate and calculate its theor...

A: Molecular structure of lipid is

Q: 37 What is the color of the phenolphthalein when the reactions of acid and base reach the end point?...

A: Indicators can be defined as the  substances whose solutions change their  color due to changes in p...

Q: 50.0 g of water at 22 °C is mixed with 125 g of water initially at 36 °C. What is the final temperat...

A: Heat lost by hot water is just equal to heat gained by cold water. 

Q: 654 g of I2 crystals are added to 5,230 g of benzene, Kf of benzene =5.12 ° C/m a) What is the molal...

A:

Q: How many coulombs (C) of electrical charge must pass through an electrolytic cell to reduce 0.44 mol...

A: The charge on one mole of electrons is equal to one faraday. The moles of calcium ion is = 0.44 mol ...

Q: Which one has the highest and strongest intermolecular forces and why? a. Alcohol b. Sea water c. Wa...

A: A question based on intermolecular forces that is to be accomplished.

Q: If a buffer is made up using 1.00 mole of a weak acid (pKa = 5.00) and 0.90 mole of its conjugate ba...

A:

Q: Select all of the atomic-scale pictures that could correctly represent the given balanced chemical e...

A:

Q: A chemical engineer is studying the following reaction: HCH;CO,(aq)+CH,NH,(aq) → CH;CO,(aq)+CH,NH,(2...

A:

Q: Prozac, C17H18F3NO, is a widely used antidepressant that inhibits the uptake of serotonin by the bra...

A:

Q: A solution contains 1.02x10-2 M potassium fluoride and 5.52x10-3 M sodium sulfide. Solid lead acetat...

A:

Q: Calculate the mass of Kr in a 1.49 L cylinder at 71.3 C and 1.61 bar. mass:

A:

Q: Determine correct conjugated acid and base pair NO2- +H2O yields HNO2 + OH-

A: Explanation :  1. The acid is a proton donor ions.   2. The base is a proton acceptor ions.   3. We ...

Q: H H. CH3 H-ö-H CH3 -H- H- + H30 ..+ H-O H CH3 H. CH3 H. H H.

A: It is unimolecular elimination  reaction (E1) .

Q: NO³- + MnO2 → NO2¯+ MnO4- What is the coefficient of water in the final redox reaction if balanced i...

A: Answer: This is a question based on balancing of redox reaction.

Q: + H-Br e above reaction involves heterolytic bond breakage of HBr. Encircle the nucleophile(s) and e...

A:

Q: Which of the following is in the same ratio as the coefficients in a balanced equation: moles of gas...

A:

Q: A polar bond does not always lead to polar molecule. Explain the statement by reffering to OF2 and C...

A: A question based on molecules that is to be accomplished.

Q: What is the chemical formula for sodium chloride and for sodium bromide?

A:

Q: Propose a synthesis of the following: A) OH осн, но- B) CH, CH3 H3C OH H3C. CH H3C.

A: We are required to  design  synthesis for a certain chemical reaction using different reagent to pro...

Q: Iron and water react to form iron(III) oxide and hydrogen, like this: 2 Fe(s)+3 H,0(g)→Fe,O3(s)+3 H2...

A:

Q: An aqueous solution containing 4.87 g of an optically-pure compound was diluted to 8.00 × 10² mL wit...

A: Specific rotation = observed rotation/(concentration × path length) Observed rotation = -2.47° Mass ...

Q: Convert 1,500 m3 to a) cm3 b) L c) ft3

A: For these type of questions, one must know about the basic details of the conversions.

Q: 1kg of Hydrogen molecules H2contains 33.33 kWh of energy. 1 litter of liquid hydrogen weighs 70.99 g...

A:

Q: ulate the energy required to heat 511.0 g of silver from 10.8 °C to 19.9 °C. Assume the specific hea...

A: Given Specific heat capacity is 0.235

Q: In a particular step, the reaction intermediate has always a higher energy, that the transition stat...

A: In the event that a compound system has many advances, it will have many slopes and valleys along th...

Q: Which would you expect to have the higher melting point (or boiling point): C,H,8 or C,H,? Explain. ...

A:

Q: End of Chapter Quetions References) This question has multiple parts. Work all the parts to get the ...

A: Mass of KNO3, Potassium Nitrate = 557 g Reaction:-  4KCl + 4HNO3 + O2 -----> 4KNO3 + 2Cl2 + 2H2O

Q: 5. Aspirin Salicylic acid + acetic acid СООН Classification: ÇOOH Reaction: LOCOCH3 HO + CH;COOH Enz...

A: Aspirin is formed by the reaction of salicylic acid and acetic anhydride in the presence of acetic a...

Q: Determine the ppm of K* ions in an aqueous solution, given that there are 0.300 g of KCI in 1,50 L o...

A:

Q: Predict the products of the following reactions: CH3 HCI HBr CH3C=CHCH2CH3 2. 1. CH2 CH3 HBr H20 CH3...

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

Q: Be sure to answer all parts. A 0.4475-g sample of solid magnesium is burned in a constant-volume bom...

A:

Q: -200 2 Fe + 0, →2 F 2C+02-2 CO -300 -400 -500 -600 -700 4/3 Al + 0, → 2/3 Al,0, -1000 -800 -900 -110...

A:

Q: LIMIT TEST (IMPURITIES - BIOLOGICAL) Instructions: Note the color change of each of the samples by ...

A: A question based on general chemistry that is to be accomplished.

Q: CS2(1) + 302(g) CO2(g) + 2SO2(g) Given: C(s) + O2(g) S(s) + O2(g) C(s) + 2S(s) CO2(g) ni AH = -393.5...

A: Given, CS2(l) + 3O2(g) ➝ CO2(g) + 2SO2(g)  ∆H = ? a) C(s) + O2(g) ➝ CO2(g)  ∆H = -393.5 kJ b) S(s) +...

Q: What is the wavelength (angstroms) of a photon that has an energy of J? 4.38x10-18

A:

Q: What mass of ethylene glycol (M.W. = 62.l g/mol) antifreeze must be added to 10.0 liters of water to...

A: The mass of ethylene glycol can be calculated by using colligative property depression in freezing p...

Q: 10. Calculate the volume of water in your melted ice and isopropanol solution.

A: We have been asked to solve question no. #10 Volume of isopropanol = 50ml Volume after ice melted = ...

Q: Given the following thermochemical equations and the corresponding enthalpy change for eachteada cal...

A:

Q: It was found out that 2.0 kg of sucrose can dissolve per liter of water at 25°C. How many tablespoon...

A:

Q: Question: 12.3 grams of a purified protein was dissolved in 260 mL of H20. At 50°C, the solution exh...

A:

Q: Question - Balance the following chemical equations: C3H18 + O2 ---> CO2 + H2O When you complete and...

A: Recall the reaction --- C8H18 + O2 ----> CO2 + H2O  Balanced the following above reaction ---

Q: Mercury and oxygen react to form mercury(II) oxide, like this: 2 Hg(1)+O2(9)→2 HgO(s) At a certain t...

A: Kc is the equilibrium constant in terms of concentration and it is the ratio of product and reactant...