much heat is needed to convert 986. g of ice at -10.0 °C to steam at 126.0 °C? Be sure your answer has the correct number of significant digits. : Reference the Phase change properties of pure substances table for additional information. Water phase Solid Liquid Gas kJ Specific heat 2.03 4.184 1.99 X g.°C g-°C J g.°C

Q: 출 6.51 1 7.253 6.582 6.580 6.579 6.577 6.575 6.462 6.461 6.459 6.457 4.578 2.263 2.261 2.260

A: The given spectra is H1-NMR. This spectroscopy is used to identify the position of equivalents and…

Q: Which pairs of molecules are interconvertible via mutarotation? O a. D-glucose and D-fructose O b.…

A: Mutarotation is the change in optical rotation that is observed when pure α- or β- Anomers are…

Q: are acetals and ketals stable to acid or base? Why?

A: Acetals are geminal diether of aldehyde. Ketals are geminal diether of ketone.

Q: Predict the product for the following reaction sequence. Br Mg/ether (A) 2,2-dimethylpropanoic acid…

A:

Q: Complete the table below. Be sure each of your answer entries has the correct number of significant…

A: According to the Bronsted Lowry acid-base concept, an acid is a substance which loses H+ ions to…

Q: Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are…

A: The question is based on the concept of chemical reactions. we need to identify whether precipitate…

Q: Rank the following carbocations from least to most stable. شده A) || < ||| <1 B) ||| < | <I C) ||| <…

A:

Q: Provide the correct IUPAC name for the compound shown here.

A:

Q: 2. Calculate the molar extinction coefficient of a substance, if known that its concentration equals…

A:

Q: 12:09 PM Thu Apr 6 Question 23 of 24 Calculate the cell potential of the concentration cell…

A:

Q: You are working in a chemistry laboratory and want to determine the mechanism for the following…

A:

Q: 2. How many moles of gas in the above 20.00 L container at 50.00 oC and 1.000 atm ?

A: Answer: This question will be solved using ideal gas equation which is shown below:…

Q: A galvanic cell using Mg/ Mg2+ and Cu / Cu²+ half-cells operates under standard-state conditions at…

A: By Faraday's law of electrolysis, we determine the amount of metal deposited on electrode during an…

Q: Consider the cell Zn(s)|ZnCl2(0.005 mol kg-1)|Hg2Cl2(s)|Hg(l), for which the cell reaction is…

A:

Q: What is the expected product for the following reaction sequence? il НО. OH NC ΝΗ H₂N. OH 1) xs…

A: In first step of reaction sequence when amine reacts with anhydride it will produce an amide as a…

Q: Describe the emission process as it relates to the atomic nuclei. Your explanation must include a…

A: The process of emission involves the discharge of energy and/or particles from an atomic nucleus.…

Q: Which of the following statements is correct with regard to the structure of retinol? Retinol is a…

A: Retinal is vitamin that play an important role in  eye functional.

Q: Part A Which of these compounds is a secondary alcohol? ►View Available Hint(s) нс-он нс- нс OH…

A:

Q: Determine the [H+], pH, and pOH of a solution with an [OH-] of 2.7 × 10-7 M at 25 °C. [H+] = pH =…

A:

Q: Guar gum is a complex polysaccharide used by the food industry as a stabilizer in salad dressings,…

A: This problem is based on carbohydrates which is a subtopic of biochemistry.

Q: Select one: O a. The arrangement of two or more polypeptide subunits into a single functional co O…

A: Proteins are made up of long chains of amino acids.

Q: Complete the balanced molecular reaction for the following weak acid with a strong base. Be sure to…

A: Since, Balanced reaction means that both side number of atom present in equal number. Thus,

Q: In the oxidation of an alcohol to a ketone, there is ► View Available Hint(s) O a loss of oxygen. O…

A: when secondary alcohols are oxidized they converted to ketone, the process of oxidation of secondary…

Q: Calculate the equilibrium constant (K) for a reaction that has ΔG°= -11.3 kJ at 37°C? B)Explain what…

A: ∆G° = -11.3 kJ = -11300 J  Temperature = 37 °C = 310 K

Q: MISSED THIS? Read Section 20.4 (Pages 905-913); Watch KCV 20.4. Consider the following table: E° (V)…

A: Given,  The ions : Cr3+ , Pb+2 , Sn2+ and Fe2+

Q: TUTOR Thermal Equilibrium I A 34.2 g sample of copper at 99.8 °C is carefully placed into an…

A:

Q: Gaseous methane (CH4) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2)…

A: Mass of CH4 = 15.9 g Mass of O2= 90.0 g Theoretical yield of CO2 formed=?

Q: tBu. CH2CH3 I CH2CH3 H2

A: In the above reaction an alkene reacts with H2 , we know that this is a reduction reaction in which…

Q: A system does 516516 kJ of work and loses 236236 kJ of heat to the surroundings. What is the change…

A: Work done by the system, W= 516516 KJ heat lost to the surroundings ,q= 236236 KJ  To calculate:…

Q: Using any data you can find in the ALEKS Data resource, calculate the equilibrium constant Kat 25.0…

A:

Q: Calculate the degree of unsaturation (DU) for the molecule shown below. НО НО ОН Н N

A:

Q: The drawing below shows a mixture of molecules: carbon nitrogen oxygen key O hydrogen sulfur…

A: Answer: Limiting reagent is the type of reactant that exhaust first in the chemical reaction and…

Q: How many molecules of carbon dioxide, CO2, are in 4.77 x 10-2 g of the molecule? 3.49 x 10-24…

A:

Q: What are the hydronium and hydroxide ion concentrations in a solution whose pH is 7.95? [H*]. [OH-]-

A:

Q: A container of ideal gas at 1 atm and 30°C undergoes an isothermal reversible expansion and its…

A: “Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: pike recovery and detection limit. Species of arsenic found in drinking water include AsO32 3…

A: Pure water containing no arsenic spiked with an amount of 0.40 mg/L Arsenate. % recovery in all…

Q: Consider the insoluble compound nickel(II) carbonate, NiCO3. The nickel ion also forms a complex…

A: Interpretation - To consider the insoluble compound nickel(II) carbonate , NiCO3 . The nickel ion…

Q: CHI O DMSO Li +

A: In a SN2 reaction, the stereochemistry of the alkyl hallide inversed whereas stereochemistry of…

Q: For benzene, the AH° of vaporization is 30.72 kJ/mol and the AS° of vaporization is 86.97 J/ mol K.…

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…

Q: Propose the reaction product (major) for the following reaction. OH но T DMSO, DCC Et N, relfux

A:

Q: Br 10 +%

A:

Q: Provide mechanism with excess water and catalytic amount of H3O+/H2O

A: To draw the mechanism and the product of the given organic reaction.

Q: Calculate the pH at 25°C of 223.0 mL of a buffer solution that is 0.270 M NH4Cl and 0.270 M NH3…

A:

Q: Write the basic equilibrium equation for IO⁻. Be sure to include the proper phases for all species…

A:

Q: : Prepare fuel with a higher octane from 1,2-dihydropyridin-3-yl) hexa-1,5-diene-1-thiol.

A: (1,2-dihydropyridin-3-yl) hexa-1,5-diene-1-thiol is a chemical compound and it does not possesses…

Q: Arrange the following groups in the order of decreasing priority according to the Cahn-Ingold-Prelog…

A: The Cahn-Ingold-Prelog rule is used to assign the absolute configuration to the chiral carbon…

Q: HNO3 (aq) + Ba(OH)2 (aq) —-> What is the formula for the salt that forms?

A: Here, HNO3 reacts with Ba(OH)2 .  What is the formula for the salt that forms= ?

Q: The acid dissociation constant K of hydrocyanic acid (HCN) is 6.2 × 10¯¹⁰. Calculate the pH of a…

A:

Q: Draw the major product of this solvolysis reaction. Ignore any inorganic byproducts. Br

A: During a chemical reaction known as solvolysis, the solvent—such as water or alcohol—becomes one of…

Q: The pOH of an acidic solution is 8.81. What is [H⁺]?

A: