A system receives 1240 J of energy as heat and does 960 J of work. What is the change in internal energy of the system? (a) +2200 J (b) -2200 J (e) none of the above (c) +280 J (d) - 280 J

Q: Jury -NH₂ + HBr ?

A: In this reaction we need to write the name of product.

Q: CO 9: Use models and dash-wedge perspective drawings to draw, interpret, and identify…

A:

Q: Are the monosaccharides below enantiomers? If not, edit either molecule so that they are…

A: Enantiomers

Q: A certain rock contains 2.57 x 1017 atoms of 40k for every 7.71 x 1016 atoms of 40 Ar. Assuming that…

A: Answer:All the radioactive reactions are first order reactions. Therefore, integrated rate law for…

Q: stereochemistry when applicable. Â "Give the major organic product(s) of the following. Include e of…

A: As per the question given there are many subparts given and it is asked that first e should be…

Q: Solution X has a pH of 9.80, and solution Y has a pH of 7.2. a.) Which solution is more acidic?…

A:

Q: Balance the following redox reaction in acidic solution. 2+ Zn(s) + O₂(g) Zn(aq) + H₂O(1) - 2+ Zn…

A:

Q: The reaction of bromine with an alkene such as cyclopentene is a good laboratory test for the…

A: Into addition reaction, two or more molecules combine with each other to form a single compound.

Q: The two reactants shown below are combined to bring about a nucleophilic substitution reaction O…

A:

Q: A +3 cation of a certain transition metal has three electrons in its outermost d subshell. Which…

A: Charge on the transition metal cation = +3 Number of electrons in outermost d subshell of transition…

Q: Identify which redox reactions occur spontaneously in the forward direction. Check all that apply.…

A: Oxidation is defined as increase in oxidation state of the element.It can also be defined as…

Q: Calculate the necessary volume of a 0.25 M NaOH solution to neutralize 250 mL of a 0.1 M HCl…

A: NaOH is a strong base and HCl is a strong acid. According to law of equivalence, an acid exactly…

Q: Calculate the change in the molar Gibbs energy of an ideal gas when the pressure is increased…

A:

Q: How much heat energy is required to convert 38.0 g of solid ethanol at -114.5 \deg C to gaseous…

A: Given,mass of solid ethanol = 38.0 gInitial temperature = -114.5 oCFinal temperature = 162.4 oC

Q: What is the IUPAC name of the following compound? & a. (R)-1-chloro-3-methyl-2-cyclohexene b.…

A: The given compounds contain an alkene functional group. For the IUPAC name of an alkene, first of…

Q: What is the product of the following reaction Br NaOMe

A: Alkyl halide gives an elimination reaction by reacting with a strong base. E2 reaction involves a…

Q: Provide the product and an arrow pushing mechanism for the reaction shown below. MeOK then شد

A: This is an example of cross aldol reaction

Q: Using the table given (picture attached) for Ka values, compare the pH of a HF buffer that contains…

A: We have to determine the pH of the following buffer solutions.a.) buffer solution containing 0.15 M…

Q: draw all products circle the major product if there are only I product or no products are preferred…

A: Product of following reactions can be drwan by applying proper reaction mechanism.

Q: How many milliliters of 0.550 M hydrobromic acid are needed to react with 20.00 mL of 0.217 M CSOH?…

A:

Q: Solutions can be tested for conductivity using this type of apparatus. Wires Bulb Plugged into wall…

A: Answer:The following two phenomena determine the conductance of a solution:Presence of free…

Q: 8. Draw the major organic product of each of the following reactions. Do not show stereochemistry.…

A: First reaction is hydroboration-oxidation reaction. This is basically water addition reaction to…

Q: reaction H₂SO₂() + H₂O() → H₂O* (aq) + HSO₂ (aq) N₂(g) + 3H₂(g) → 2N H₂ (g) BaCO,(s) → BaO(s) +…

A: Entropy is a measure of the amount of energy in a system that is not available to do work. It is…

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2+ MnO₂ (s)…

A:

Q: How many/ which set of carbon has a equivlelnt hydrogen in C3H7CI H H H ||| 1 2 C 3 H H H H CI

A:

Q: In an experiment, 0.197 g of gold metal reacts to yield 0.303 g of gold(III) chloride. Using the…

A: Answer:The law of conservation of mass states that, mass cannot be created nor destroyed. It can…

Q: Consider the reaction of (E)-3-methylhex-3-ene with HBr. Part: 0/3 Part 1 of 3 Draw the structures…

A: A question based on the reaction of alkene. Alkene undergoes HBr addition to give the respective…

Q: Part C 0= C + CH3OH H H+

A: Carbonyl compounds (aldehyde and ketone) react with an alcohol to form hemiacetal in the presence of…

Q: HCl (excess) H₂O2

A: This reaction proceeds through Markonikov's rule. Markonikov's rule : On addition of a reagent (HX)…

Q: Please don't provide handwriting solution

A: If methylene (-CH2-) is sandwiched between two electron withdrawing group is known as active…

Q: 5. The overall reaction for the oxidation of NO to NO₂ is: 2NO(g) + O₂(g) → 2NO₂(g) The reaction…

A: For a given reaction,The rate law can be given as follows:where,K is the rate constant[A] and [B]…

Q: Write the common (not IUPAC) name of each molecule and select the type of base from which it's made.…

A:

Q: Based on the diagram shown, click the buttons below to write out the complete electron configuration…

A: Electronic configuration is the distribution of electrons of an atom or molecule in atomic or…

Q: 2. What is the maximum amount of non-pV work that can be done by the reaction. 2H2 + O2 -> 2H2O if…

A: What is the maximum amount of non-pV work that can be done by the reaction. 2H2 + O2 -> 2H2Oif…

Q: A chemical engineer must report the average volume of a certain pollutant produced by the plants…

A: To find the average volume of the pollutant, you'll sum up the volumes and then divide by the number…

Q: please draw the retrosynnthesis step by step in detail with arrows for this molecule? its morphine…

A: Morphine C17H19NO3 is a benzylisoquinoline alkaloid and is the most abundant opiate present in…

Q: Calculate the following quantity. 0.02123 m + 1.12 m + 0.00123 m = 1.1424 m 1.14246 m 1.1 m 1.14 m…

A: Rules for Addition/subtraction ;During addition and subtraction, we count number of decimal places…

Q: A buffer is formed by dissolving 0.105 moles of HCIO, hypochorous acid; and 0.115 moles of NaCIO,…

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

Q: 1. In a gravimetric analysis of a chloride salt, the following data were obtained. Mass of original…

A: The objective of the question is to understand the impact of sunlight exposure on the results of a…

Q: Draw the missing organic structures in the following multistep synthesis. Show all structures at…

A: The given reaction scheme is shown below.We have to provide the missing intermediates and the final…

Q: a Draw the Lewis structure for PO(OH)3 in the window below and then decide if the molecule is polar…

A: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simplified…

Q: Question 2: lodine monochloride (ICI) is an electrophilic halogenating agent with similar properties…

A: The given reaction is addition reaction to double bond but the catche is that there is addition of…

Q: Write down the common (not IUPAC) names of the organic molecules that would be released if this…

A: Information of question

Q: Which of the following is aromatic? I II. 01 OII O III OIV III. IV. V. ✪

A: Certain cyclic compounds, particularly those that contain conjugated pi bonds, are known to possess…

Q: Consider the reaction below. Name all monobromination products (constitutional isomers only! + B1₂…

A: Order of preference of bromination in presence of sunlight : Allyl = Benzyl > alkyl > vinyl.…

Q: Reaction: علی معلم والا ... Bry, HBr 1) NaOCH3 2) CH₂Br 3) H2SO4, H2O, heat 1) LDA NaOH, H₂O 25°C =…

A: There are many subparts in the given question. I am going to solve one first three. If you need more…

Q: Rank the following compounds in terms of increasing acidity of the most acidic proton. Assume all…

A: Huckel's rule : This rule states that if a cyclic, planar molecule has 4n+2 π electrons, it is…

Q: Give the major organic product(s) of the following. Include stereochemistry when applicable. b) 6 Br…

A: The major organic reactions are substitution, addition, and elimination reactions. In a substitution…

Q: Br ||| Based on resonance and inductive effects, identify the strongest base among the aniline…

A: Aniline is basic in nature due to the presence of a lone pair of electrons on the nitrogen atom. But…

Q: Consider the following mechanism for the reduction of nitric oxide: H₂(g) + 2NO(g) → N₂O(g) + H₂O(g)…

A: Answer:Species that form during a chemical reaction and get consumed during the chemical reaction…