Calculate energy in kJ ?

Q: Create a solution by dissolving 14.77 g of napthalene (nonelectrolyte, MW = 128.17 g/mol) in 155.0 g…

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

Q: 8. In each of the following pairs, circle the quantity that is greater; if the two items are the…

A: 8) Given question belongs to atomic structure and electronic configuration of atoms and ions  “Since…

Q: For each of the salts on the left, match the salts on the right that can be compared directly, using…

A: The solubility is a type of concentration and describes the amount of solutes in a per litre of…

Q: I think your solution is wrong the answer should be in kg not grams check your work

A: The question which is answered earlier is correct But the mistake made by the expert is that answer…

Q: A 0.050 M solution of the salt NaA has a pH of 9.00. Determine the [OH] and the pH of a 0.010 M…

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Q: Other information: MM: Ba = 137.327 g/mol, S = 32.07 g/mol, O = 16 g/mol Mass of empty filter 0.2050…

A: Filter paper is used in laboratory to separate the residue and filtrate.

Q: The D particle has quarks cs*, where c is a charm quark and s* is an antimatter strange quark. a. Is…

A: a) The D particle is a hadron. Hadrons are composite particles composed of quarks, which are…

Q: Which of these is not a possible product of the following reaction: O < B O U E OPP B E₁ Possible…

A: E1 reaction is unimolecular elimination reaction. In this reaction. Given substrate is geranyl…

Q: Draw a three-D structure (entire molecule) for the following: a)CO2 b)SeF4

A: The question is based on the concept of chemical bonding. we need to draw 3D structure of given…

Q: Consider these compounds: A. MgCO3 B. Zn(OH)2 C. COCO3 D. Zn(CN)2 Complete the following statements…

A: The compounds are A. MgCO3 B. Zn(OH)2 C. CoCO3 D. Zn(CN)2

Q: You would like to determine what polymer was used to make a particular plastic garbage bag. Which of…

A: A question based on introduction to polymer. 4 options about polymer molecules is given the most…

Q: Question 6 Which of the following will not result into a primary ROH? Reduction of aldehyde…

A: Reduction reaction involves the addition of hydrogen atoms or loss of oxygen atoms. Reduction of…

Q: Image 30 2 OEt (1) NaOEt (2) H30* (1) NaOH, H₂O, heat (2) H30* heat

A: Claisen condensation is a carbon–carbon bond forming reaction that occurs between two esters oin the…

Q: (i) Calculate: The Gibbs energy of micellisation, AG°, of the surfactant at 25 °C and 45 °C, The…

A: Gibbs energy of miscellization is the exact concentration of the surfactants yield to aggregate in…

Q: Hydrogen can be produced by high temperature reactions involving steam and methane True False

A: The question can be answered by writing the chemical reaction between steam and methane.

Q: 5. Nomenclature" following molecules. a. ts). Draw the appropriate structure and provide an IUPAC…

A: The nomenclature based on following rules-  1- first identify the functional group 2- find the…

Q: For each system listed in the first column of the table below, decide (if possible) whether the…

A: If a system undergoes volume change from V1 to V2 and temperature change from T1 to T2 then change…

Q: You eat 160.0 g of glucose (a handful of M&M’s). If glucose, C6H12O6, reacts with oxygen gas to…

A: Mass of glucose = 160 g Molar mass of glucose = 180 g/mol Molar mass of carbon dioxide = 44 g/mol

Q: How many millihertz is 4.66 x 107 MHz? 4660 mHz 4660 mHz 466 MHz 0.0466 MHz

A: A question based introduction to chemistry. A numerical value of frequency is given that is to be…

Q: 2. Provide reagents/conditions to accomplish the following syntheses. More than one step is required…

A: In both the reactions starting compound is same. Only reagents are different and on the basis of…

Q: Determine the density of water at 34 °C in g/mL?

A: Density = Mass/Volume And Volume ∞ Temperature As the temperature increases volume increases and…

Q: 7. Mechanism Draw a complete arrow-pushing mechanism for the following reaction. iH NaBH₂CN H₂SO4…

A: The given reaction is reductive amination reaction. In this reaction aldehyde or ketone react react…

Q: 2. Select the major product of the following reaction sequence. A OH B 1. CO₂ 2. H₂O¹/H₂O NaBH₁ EIOH…

A: CO2 is used to make COOH functional group. H3O+/H2O is used deprotect aldehyde/ketone. NaBH4 is used…

Q: What is the angular momentum of an electron in the 2p state of a hydrogen atom, and how would it…

A: According to the Bohr the angular momentum of an electron is given by mvr or nh2π where, m= mass of…

Q: [PPh] 0.20 0.40 [PdL,NH] 0.20 0.40 0.20 Compare the reaction order for this reaction and determine…

A: Answer:- This question is answered by using the simple concept of determination of rate law using…

Q: I will love to see drawing of the plot. thank you so much

A: To predict the UV-Vis spectra of an octahedral d^7 complex using the Tanabe-Sugano diagram, we need…

Q: 1. NH₂ HN- + N(CH3)3

A: The desired products can be formed by several reactions with the starting materials.  1. Formation…

Q: A solution contains 1.53x10-2 M calcium acetate and 1.53x10-2 M barium nitrate. Solid potassium…

A: Given [Ca(CH3COO)2]=[Ca2+] = 1.53 X 10-2 M=0.0153 M [Ba(NO3)2=[Ba2+] = 1.53 X 10-2 M=0.0153 M KF is…

Q: MgCl₂ has a van't Hoff factor of 2.70. What would be the boiling point (in °C) of an aqueous…

A: Van's Hoff factor (i) = 2.70 Number of mol of MgCl2 = 5.10 mol Mass of solvent (water) = 1.00 kg Kb…

Q: The measured pH of 0.0100 M HCI+ 0.0900 M KCI at 25°c is 2.102 From this information, calculate the…

A: In the given question we have to calculate the activity coefficient of H+ in the solution.  the…

Q: Draw condensed chemical structures AND structural formulas for the following hydrocarbons: a.…

A: In the problem, we are given the IUPAC names of two hydrocarbons and we have to draw the structures…

Q: CH3CO₂H SOCI₂ O 11 A) CH3CN(CH3)2 C) CH3CH₂N(CH3)2 2 HN(CH3)2 OH B) CH,CHN(CH3)2 O D) CH3CON(CH3)2

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Q: (True or False) Given that the UV A max for aspirin is 276 nm, if we measure the UV spectrum of a…

A: A question based on UV spectroscopy. A true or false question about λmax is given that is to be…

Q: On Nocovid, the speed of light is surprisingly fast, 7.77x108 m/s, but Planck's constant is the same…

A: Here ,speed(c) = 7.77×10^8 m/s Mol(n) = 2.245×10^-4 mol Wavelength= 5.20 nm

Q: 5. a) The hydrogens labeled in the structure below have different acidities. Assign the correct…

A: a) Here we can say that acidity of a particular acid depends on the stability of the conjugate…

Q: The Solubility Product Constant for nickel(II) hydroxide is 2.8 x 10-16. The molar solubility of…

A: Given data :  Solubility Product Constant for nickel(II) hydroxide =  2.8 X10-16 Concentration of…

Q: Write the nuclear equation for the decay of helium-6 to lithium-6 by positron emission. A helium-6…

A: A question based on nuclear reactions. Information about reactant, product and ejectile are given…

Q: What is the order of composition of C4H6?   what is the rate constant k?  what is the average rate…

A: A question based on reaction rates. 3 graphs for the decomposition of C4H6 are given that are to be…

Q: When 4.10 g of a certain molecular compound X are dissolved in 80.0 g of dibenzyl ether…

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Q: Decide which intermolecular forces act between the molecules of each compound in the table below.…

A: 1) Silane (SiH4) is non - polar and thus don't have dipole - dipole forces. It is heavier, thus it…

Q: Consider the reaction SO₂(g) + 2C(s,graphite)—S(s,rhombic) + 2CO(g) for which AH° = 75.80 kJ and AS°…

A: Consider the reactionSO2(g) + 2C(s, graphite) →S(s, rhombic) +2CO(g)for which ∆H° = 75.80 kJ and ∆S°…

Q: Which of these alkenes will produce a more stable intermediate via 1,2-hydride shift when it is…

A: The acid catalyzed hydration of alkenes involve carbocation intermediate. If there is the…

Q: What is the product of the reaction shown in Image 37

A: Decarboxylation of the carboxylic acid: The carboxylic acid that contains a carbonyl group at the…

Q: Free Energy (AG) A+H+ HA B+H* HB C + H+ HC A plot indicating the change in free energy for the…

A: A question based on introduction to chemistry. An energy profile diagram for the release of H+ from…

Q: Most stable electron ion configuration for Oxygen?

A: Most stable electron ion configuration for Oxygen?

Q: -4 When 22.0 mL of a 8.12 x 10 M potassium carbonate solution is combined with 25.0 mL of a 4.14 x…

A: Solubility product quotient, Qsp is the product of the concentrations of the products, each raised…

Q: The density of PbSe at room temperature is 8.27 g/cm^3. Calculate the length of an edge of the PbSe…

A: Density of PbSe = 8.27 gcm3

Q: 6 C (s) + 3 H2 → C6H12 (l) ΔH  = -903 Therefore, this reaction     (loses/gains) heat/energy.

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Q: A chemical engineer is studying the two reactions shown in the table below. In each case, she fills…

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Q: A FH Escape Chemistry 106! с X + O8…

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