A+B C AH = +100 kJ What is AH for 5A + 5B 5C ? +500 kJ +1 kJ +100kJ +20 kJ

Q: Sr(NO3)2 (aq) + KF (aq) →? How many grams of strontium fluoride can be precipitated from 63.56 mL of…

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Q: Choose the best Lewis structure for OCI2. O :CI=Ö-C: O:ä-ö=cl: OCI=Ö=CI: OCI=O=C: 0:d-6–d:

A: Lewis structure : It is an simplest representation of the structure of molecules . By this we get…

Q: When 1.50 mol CO2 and 1.50 mol H2 are placed in a 3.00-L container at 395 °C, the following reaction…

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Q: Og is the noble gas after Rn. To go from [Rn] to [Og], you must fill four subshells (s, p, d, and f)…

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Q: ▬▬ ▬▬▬▬▬▬NAME H3C O: H3C 'N HẠN NH2 NH CH3 Arrow-pushing Instructions O :0: NH H₂NNH₂ CH3 H3C On of…

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Q: Question 5 (a) Sketch a typical phase diagram for a one-component system. Label all the appropriate…

A: The phase diagram describes the phase equilibrium of a component. For a one component system the…

Q: Calculate the heat of reaction for 40.0 mL of 0.400 M HCl with 40.0 mL of 0.100 M Ba(OH)2 with a…

A: VHCl= 40ml = 0.040 L MHCl= 0.400 M VBa(OH)2= 40ml = 0.040 L MBa(OH)2= 0.400 M Lets assume the…

Q: 9.Propylene has a molar mass of 42.08 and contains 14.3% H, 85.7% C. what is its molecular mass?

A: Molar mass = 42.08 g/mol % H = 14.3 % % C = 85.7 % Molecular mass = ?

Q: What is the equilibrium constant K at 25 °C for an electrochemical cell when E° = +0.0235 V and n =…

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Q: Alter the structure of the triacylglycerol below to show all the products that would form if it went…

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Q: Determine the reducing agent in the following reaction. 2 Li(s) + Fe(C₂H3O2)2(aq) → 2 LiC₂H3O2(aq) +…

A: The oxidation reaction will proceed by removing electrons, and the reduction reaction will proceed…

Q: Part b As a chemist for an agricultural products company, you have just developed a new…

A: pKa of acetic acid = 4.76  [X+]=4.00×10-3M[CH3COOH]= 1 M

Q: What are the expected products of the following acid-base reaction (Chapter 4)? CH₂ II H₂C a. 10:…

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Q: How many moles of HCl are present in 25.00mL of 0.100M HCl?

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Q: At 900 K, the following reaction has Kp = 0.345: 2 SO2(g) + O2(g) ⇋ 2 SO3(g). In an equilibrium…

A: Equilibrium constant Kp for a reaction is defined as the product of the partial pressure  of the…

Q: The chemical formula for magnesium sulfide is MgS. A chemist measured the amount of magnesium…

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Q: Which statement best describes the effect of a system moving toward equilibrium if a catalyst is…

A: we have to select the correct statement for the given system

Q: 19. What is the % yield of H₂O if 138 g H₂O is produced from 16 g H₂ and excess O₂? 2H₂ + O2 → 2H₂O

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Q: Draw a lewis structure for each ion. Show complete computations (e.g. formal charges, # of…

A: Detail

Q: which one is the correct answer?

A: in previous answer, quadratic equation is not solved correctly.

Q: here are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of…

A: 1->CaC2(s) + 2H2O(l) <---> C2H2(g) + Ca(OH)2(s)       K1 2->6C2H2(g) + 3CO2(g) + 4H2O(l)…

Q: Which of the following is an incorrect Lewis electron-dot structure? 1 2 3 لیا in 5 6 JA 1 H 1.0…

A: Lewis dot structure : It is the representation of electrons using dots (represented as electrons )…

Q: For the system at equilibrium represented by A + 2B 2C, Keq = 2.19. What is the value of K'eq? 4…

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Q: 14. A 15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from…

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Q: 7. If 18.0 grams of CO2 are produced, how many grams of H₂O are produced. 2C₂H4(+602 → 4 CO2 + 4H₂O

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

Q: 3. An electron is most easily removed from A) an alkali metal. B) an alkaline earth metal. 4. Which…

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Q: For each chemical reaction in the table below, decide whether the highlighted reactant is a…

A: According to Bronsted-Lowry theory acid donates proton and base accepts proton.

Q: A chemist prepares a solution of silver perchlorate (AgClO4) by measuring out 1.73 kg of silver…

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Q: 5. The volume of a gas is 1 liter at 45.0°C, if the temperature is decreased to 7.0°C without…

A: Initially, Volume (V1) = 1 L Temperature (T1) = 45.0°C = (45.0 + 273.15) K = 318.15 K Later, Volume…

Q: Brass is an alloy of copper and zinc. Varying the mass percentages of the two metals produces…

A: Brass is a substitutional alloy. Yellow zinc is also known as brass. It is an alloy of copper and…

Q: f) For the compound O OCH 3 suggest, with reasons, its likely physical properties and explain at…

A: We have find out the answer.

Q: ) Beginning with isopropylbenzene, propose an efficient multi-step synthesis of ne aromatic…

A: The desired product can be formed by following four reaction steps,  these are 1. Nitration  2.…

Q: How many moles of helium are needed to fill a balloon to a volume of 6.9 L at 24 °C and 595 mmHg?…

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Q: pls help with these questions - 3

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

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

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Q: Which stereoisomer(s) will be formed as a result of the reaction shown below? cat. Oso NMO O 1) R.R…

A: The given reaction is an simple example of syn-dihydroxylation from an alkene to give syn-1,2-diol…

Q: Draw Lewis line structures for the following compounds: To

A: Lewis line structure is similar to Lewis dot structure but just bonding pair of electrons shown by…

Q: 20. Identify the elements and draw orbital diagrams for elements with these atomic numbers: a) 16 b)…

A: we have to draw the orbital diagram for the elements with the given atomic numbers

Q: 5. How many grams of potassium chlorate decompose to solid potassium chloride and 638 mL of oxygen…

A: Solution: Given: Volume of O2 = 638 mL= 0.638 L  Pressure of O2 = 752 torr × (1 atm 760 torr  )=…

Q: What are the hydrolysis products of the following reaction? 0 11 NHCCH3 Cl H₂O, NaOH heat 0…

A: Amides undergo basic hydrolysis in the presence of NaOH, H2O to give amine and salt of Carboxylic…

Q: 3. Which of these types of airflow does a downdraft spraybooth provide? A. Laminar B. Turbulent C.…

A: A downdraft spray booth is an enclosed workspace that is designed to provide a controlled…

Q: 1. Balance the following reaction a. Separate into % reactions BH+ $0₂S₂O +BO₂ b. Balance reactions…

A: BH4- + SO2  →  S2O42- + BO2- The oxidation number of B in BH4- = - 5 The oxidation…

Q: Consider the analysis of a mixture of saturated and unsaturated fatty acids. Using the 3 methods IR,…

A: Saturated fatty acids are fully saturated in the hydrocarbon chain which have no double bonds…

Q: The K of a certain indicator is 8 × 10. The color of HIn is green and that of In is red. A few drops…

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Q: Determine the number of valence electrons for each of the atoms. Enter each answer as a numeral. For…

A: Valence electrons are the electrons which are present in the outermost shell of an atom. Valency is…

Q: Identify a solution that will form a precipitate when mixed with aqueous sodium carbonate,…

A: The precipitation reactions are the reaction which produce a product that is insoluble in the…

Q: At 0 °C, ice has a density of 0.917 g mL−1 and an absolute entropy of 37.95 J mol−1 K−1 . At this…

A: The given reaction, H2O(s) → H2O(l)

Q: ould someone please help I know it agaisnt the guidelines but please!  No plagiarism, please!…

A: Given reaction Fe3+(aq) + SCN-Yellow⇌FeSCN2-(aq) + heatOrange red

Q: AICI, Ionic C(diamond) SC1₂ Molecular Li Answer Bank Metallic Covalent

A: Solids are classified into (a) ionic (b) covalent (c) molecular (d) metallic Ionic solids are held…

Q: Compare the solubility, in milligrams per milliliter, of silver iodide, Agl, in water that is 0.020M…

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