A student ran a reaction experiment in which a 32.0 g sample of water was heated from 25.0°C to 80.0°C. How much thermal energy did the water absorb? Q = mCAT The specific heat of water is 4.186 Joule / gram °C.

Q: At 298K and 1.2 atm, how many liters of H₂ gas would that be? (R=0.08206 D Latm/mol K 6 HCl (aq) + 2…

A: Given: Temperature = 298 K Pressure = 1.2 atm R = 0.08206 L atm/mol K

Q: Which answer describes the relationship between these compounds? (a) OH H OH H (b) H. They are the…

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Q: What is the product of the following reaction? CN HNO3 H₂SO4 25 °C O ortho-nitrobenzonitrile O…

A: Nitration of aromatic compound: Aromatic compound reacts with the nitrating mixture to form a…

Q: If you measured the rotation of a compound at -16.56° in a cell that is 0.98 dm in length. And your…

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Q: Which alkene is more stable?

A: The stability of alkene depends on the number of alkyl groups present on the doubly bonded carbon…

Q: For the titration of 55.0 ml. of 0.200 M NH, with 0.500 M HCI at 25 °C, determine the relative pH at…

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Q: Draw the major product of this reaction. Ignore byproducts. CH3OH Select to Draw Br

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Q: formic acid HCOOH is a weak acid with Ka equal to 1.8 x10^-4 what is the pH of a 0.0115 M aqueous…

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Q: b) Write out 3 preparations of 2-methyl-2-butanol, using a different starting material for each one.…

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Q: In the reaction below, which is/are the major product(s)? НО НО O I only O neither I nor II O II…

A: In this question, we will find out the major organic product ( I ) or ( II ) or both.  H+ ion attack…

Q: Of the hydrocarbons listed below, which is the strongest acid? A. B. CH₂-CC-CH₂ H-C=C-CH₂ C. H₂C=CH₂…

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Q: In 5 sentences, what is the importance of achieving a negative value of deltaG (total free energy)…

A: Answer: If the Gibbs Free Energy (∆G) is negetive,the reaction is random and will proceed to the…

Q: ▬▬ 27 For the reaction shown, which of the compounds listed would be the expected major, and FINAL…

A: 27) Alkynes reacts with Hg+2/H+ and water to form ketones, via an enol intermediate.

Q: Draw the structure for the following names 6) 4-ethyl-6-methyl-2-heptyne…

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Q: The temperature of a sample was observed to increase by 3.1 Kelvin. What is the value of this change…

A: This is a simple example of conversion from kelvin to Fahrenheit scale of a tempearture.

Q: Question 33 For the following reactions with their relative Kea given, answer the following: (assume…

A: Recall the given reactions,                                2D l  ↔  2E g  +  F g…

Q: -23 An oxygen atom has a mass of 2.66 x 10 g and a glass of water has a mass of 0.050 kg. Use this…

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Q: The binding energy per nucleon of carbon-12 (nuclear mass, 11.996708 amu) is ____________.

A: Here the concept used is taken from  atomic chemistry.  Here we have to find binding energy per…

Q: If for a molecule X, the pka1 = 2 and the pka2 is 6, calculate the pl for this molecule: a. 1 b. 2…

A: Isoelectric point (pI)- The pH level at which an amino acid does not move in an electric field is…

Q: Q1 (Conformation & Structure) a) When the molecule below is placed in the most stable chair…

A: Given that, a compound is We have to tell how many hydrogens are at axial position on the most…

Q: ▶ Assign E or Z to the following alkenes... Н С CH3 # 1: # 2: 0 1 = E, 2 = Z 0 1=2,2 = E 0 1 & 2 are…

A: Steps to find the E / Z configuration in a compound :    Assign priority to each substituent around…

Q: ¸N-Br. hv 0 CCL4 Br

A: The reagent is used here is called NBS (N-Bromo succinimide).

Q: Write the equation that shows how a buffer made by dissolving CH3 CH₂ CH₂COOH and CH3CH₂CH₂COO Na+…

A: Answer: A buffer solution is the type of solution that resists the change in its pH on adding the…

Q: the change in temp from 10°C to 20°C is found to double the rate of a particular chemical reaction…

A: Effect of temperature on reaction.  Activation Energy: Activation energy is defined as the minimum…

Q: How could you obtain the two products shown below from 1-bromo-1-methylcyclohexane H&H Ή

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Q: 2. A closed vessel contains air at a pressure of 160 KPa (gauge) and temperature of 30°C. The air is…

A: At constant volume the pressure of a gas is directly proportional to the absolute temperature of the…

Q: Match the reagents necessary to complete each of the following transformations НО. OH Reagent C…

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Q: Arrange the following in increasing oxidation number for Chromium: Cr3+ ; Cr metal ; Cr2O7-2

A: Cr metal ( lowest ) < Cr3+ < Cr2O72- ( highest )

Q: 5. Gas is enclosed in a vertical cylinder with a weighted piston as the top boundary. The gas is…

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Q: Indicated Reaction by filling in any starting materials,reagents or products as needed

A: Alkene and alkynes give an electrophilic addition reaction with hydrogen halide to form an alkyl…

Q: Reaction of 1-butanol with CrO3 gives. O Butanoic acid Propanoic acid O2-Butanone O Butanal as the…

A: CrO3 is an oxidizing reagent. It means it oxidizes other and reduces itself.

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 809.0 mg sample…

A: Given, mass (m) = 809.0 mg = 0.809 g Initial temperature (Ti) = 52.2 °C = (52.2 + 273.15) K = 325.35…

Q: Calculate to three significant digits the density of carbon dioxide gas at exactly 25 °C and exactly…

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Q: 5.0 mL of 1-butanol was mixed with 10 mL of HCl. The reaction was put on an ice bath and 4 mL of…

A: The given data is as follows- The volume of 1-butanol = 5.0 mL The volume of HCl = 10 mL The volume…

Q: write the mechanism for the ionic addition of HBr to 2-methylpropene in the presence of…

A: In presence of peroxides, the formation of free radical will be initiated. Thus the product formed…

Q: 26 A. Give the organic product: OH B. H₂O₂ -OH OO C. HO OH D. HO OH

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Q: a O b of the two structures would be more acidic? =H (a) (b) H

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Q: The standard reduction potential for Zn2+(aq) + 2e− → Zn(s) is −0.76 V, when the reaction is…

A: Given -> Zn2+(aq) + 2e- ----> Zn(s) E°= -0.76 V

Q: Н 0 H

A: As an analgesic and antitussive, hydrocodone is an opioid agonist. A synthetic opioid derived from…

Q: Answer the following: What is the primary and secondary valence of the central metal in Na₂[CuCl4]?…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Which of the following molecules is not an amino acid?

A: Amino acids are organic compounds that contain both amino and carboxylic acid functional groups.

Q: Write "most" under the compound which will react with Cl₂/FeCl3 most easily. Write "least" under the…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Question 46 For the coordination compound (Cr(NH₂),(H₂O)3]Cl3, identify, in order, the charge on the…

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Q: What concentration of SO3 is in equilibrium with Ag,SO, (s) and 2.90 × 10-³ M Agt? The Ksp of Ag₂SO,…

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Q: 5 What is the organic product? А. OH OH CH₂ CH₂ B. (1) HgOAc2 + H2O (2) NaBH4 OH CH3 с. ? он CH₂ D.…

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Q: When an amino acid has a negative charge coming from the carboxylic acid or a positive charge coming…

A: Explanation:   The point at which an amino acid has no net electrical charge is known as its…

Q: 10. What is the molecular geometry and molecular polarity for CH₂Cl, and SO, ²? 11. What do…

A: 10) ch2cl2= polar molecule because individual dipole do not cancel each other so there is net dipole…

Q: Vacuum-forming is a term that is sometimes used to describe the polymer conversion process known as…

A: The correct answer is C) Thermo-Forming. Vacuum-forming is a term that is sometimes used to describe…

Q: static and dynamic stability of octodron sample solution

A: Static stability refers to the ability of a molecule or compound to maintain its structural…

Q: Arrange the following molecules in the order of increasing acidity.

A: Higher the stability of the conjugate base more the acidic the substance will be. Again, the more…