Consider the chemical equation 2 A + 3 B ---> 4 C + D The reaction enthalpy is 705 kJ How many moles of A must be reacted to have a heat change of 1,113 kJ?

Q: In which solutions the molar solubility of NICO3 will be greater than in pure water? A: 0.010 M…

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Q: 0.848g of Na2B4O7.10H2O into a crucible. After hearing the sample for a short time and allowing the…

A: Na2B4O7.10H2O is known as borax.It is a hydrated crystal having 10molecules of water of…

Q: Consider the reaction described by the equation C,H,Br, (aq) + 3I-(aq) C,H,(g) + 2 Br (aq) + I, (aq)…

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Q: Part A MISSED THIS? Watch IWE 16.12; Read Section 16.8. You can click on the Review link to access…

A: Given, Concentration of weak base solution (C) = 0.125 M pH of the solution  = 11.25 Kb for the base…

Q: How many grams of nickel may be formed by the passage of 4.77 amps for 2.67 hours through an…

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Q: Using the tabulated thermodynamic data, calculate the ΔGo for these reaction: d) Cl2(g) + 2 NO (g)…

A: In this question, we have to calculate ∆G° for the given reaction, Using the tabulated thermodynamic…

Q: 1. Circle the most acidic hydrogen in the following molecule. OCH,CH, HO

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

Q: Provide a mechanism for the following transformation. NH2 NaNO2/HCI/H,0 OH CH3 H3C- -CH3 H3C CH3 CH3…

A: Given : We have to make the product for the given reaction.

Q: Calculate Keq for the reaction below given the following information: initial partial pressure of…

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Q: Consider the mechanism. A + B, АВ + B, step 1: » AB + B → B3+A B3+B step 2: overall: 2 B, > Which…

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Q: as we increase the wavenumber, the penetration A. increases B. does not affect gher the reflective…

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Q: Part A What volume (in mL) of a 0.175 M HNO3 solution is required to completely react with 40.0 mL…

A: Given, Na2CO3(aq) + 2HNO3(aq) →2NaNO3(aq) + CO2(g) + H2O(l) HNO3 solution Molarity of HNO3 solution…

Q: EXPERIMENT: SIMPLE BATCH DISTILLATION    I want theory background for this experiment

A: The answer is given below

Q: For the reaction CH4(9) + H20(9)3H2(g) + CO(g) AH° = 206.1 kJ and AS° = 214.7 J/K The standard free…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: Draw the structure of the intermediate that forms in the first step of the reaction mechanism and…

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Q: 1) Consider this reaction: Pb + PbO2 + 2SO3 → 2PBSO4 AH°rxn = -775 kJ How much heat will be released…

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Q: Show the mechanism for the reaction conducted at -5 "C in CCI, cyclohexene + bromine…

A: ->When alkene reacts with dihalogen first of all cyclohalonium ion formed. -> then opening of…

Q: A 0.037 M solution of a weak acid (HA) has a pH of 4.34. What is the Ka of the acid?

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Q: In reactions with copper and cobalt salts, preliminary ionization of acidic forms of barbiturates:…

A: correct option is A(Required )

Q: Write out a balanced molecular and a net ionic equation, both with phase labels for the reaction…

A: The reactants given are magnesium sulfide i.e. MgS and hydrobromic acid i.e. HBr.

Q: dou Hydration of OKymercuration-demercuration product of the acid-catalyzed hudration the follswing…

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Q: Match each description to the most appropriate category. Heterogeneous catalysts Homogeneous…

A: A chemical reaction that occurs in presence of a catalyst is called catalysis. Catalysis reactions…

Q: Why are H3PO4 and H2SO4 used in the synthesis of 4-methylcyclohexene from 4-methylcyclohexanol and…

A: Given: H3PO4 and H2SO4 used in the synthesis of 4-methylcyclohexene from 4-methylcyclohexanol and…

Q: What is the equation for the reaction of AL(s) and 6MHCl(aq)?

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: nces to access important values if needed for this question. A student determines that an aqueous…

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Q: A sample of an unknown gas is placed in a vessel with a volume of 7,692 mL at a temperature of 15.5…

A: 17.  Given :-  volume = 7692 mL  pressure = 1.2 atm  temperature = 15.5°C  To calculate :-  no.of…

Q: After a monosaccharide has undergone mutarotation, which of the following statements is always true…

A: First we have to discuss mutarotation.  Mutarotation : The change in optical rotation of an…

Q: 24) Write the electron configurations for the following atoms. Do not use shorthand notation, and…

A: the electron configuration is the distribution of electrons of an atom or molecule (or other…

Q: Attach a plot (similar to the one attached below) for the portions of molecules possessing each of…

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Q: Part A MISSED THIS? Watch KCV 13.6, IWE 13.8; Read Section 13.6. You can click on the Review link to…

A: The freezing point of the pure solvent decreases when any non-volatile solute is added to it. This…

Q: Given the following: 100g of HCl (37.7%) find: Mass % of H2O in the bottle.

A: Given: The solution contains water and HCl only. And the mass percent of HCl in the solution = 37.7…

Q: Draw the starting structure that would lead to the following two products under these conditions.…

A: OsO4 react with alkene gives diol.

Q: Acid catalyzed hydrolysis of an ester ocurs by the following process: RC=OOR' + H20 + H* -> RC=OOH +…

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Q: Time and concentration data were collected for the reaction 0.52 A → products 0.48 0.44 - t (s) [A]…

A: The instantaneous rate of a reaction at a particular time is the slope of the [A](M) Versus time(s)…

Q: You add 50. mL of water to 30. mL of a 0.50 M stock HCl solution. What is the [HCl] of the new,…

A: Given:: Initial, M1= 0.50 M , V1= 30. mL  Final, M2= ? V2= (30+50)= 80 ml

Q: he heat of reaction f

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Q: What is the value of the equilibrium constant, K, at 25 oC for the reaction between the pair:…

A: Given,  Cr(s) + Fe2+(aq) ------> Fe(s) + Cr3+(aq)   E°Cr3+/Cr = - 0.74 V  E°Fe2+/Fe = - 0.44 V

Q: Nylon is prepared from the reaction of a diamine with a diacyl halide. The structure of the product…

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Q: How many grams of CaCl2 would you need to make 750 mL of a 2.00 mM CaCl2 solution?

A: Amount  of CaCl2  required to make 750 mL of a 2.00 mM CaCl2 solution is given below

Q: A sample of propane gas, C3H8 was collected over water at 22.5°C and 745 torr. The volume of the wet…

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Q: High-pressure ATR is used to analyze very hard sample. O True O False

A: Option A is correct answer True.

Q: a. a D-al

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Q: Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in…

A: Given,  MnO 4⁻( aq) + H 2C 2O 4( aq) → Mn 2+( aq) + CO 2( g)  The balanced equation in acidic medium…

Q: A solution with a known concentration equal to 3.4 mM gave an absorbance reading of 0.820 in a…

A: Given the absorbance corresponding to 3.4 mM concentration = 0.820  So C1 = 3.4 mM and A1 = 0.820

Q: The conjugate base of benzoic acid is ___________.

A: An acid after losing a proton turns into a conjugate base.

Q: The value of K, for the reaction between water vapor and dichlorine monoxide is 0.0900 at 25°C.…

A: Given, H2O(g) + Cl2O(g) ⇌ 2HOCl(g) Temperature (T) = 25°C Equilibrium constant (KC) = 0.0900 Initial…

Q: The structure of the salt is as follows: HO. он NH HO. 16 Salt

A: Hydrophilic Molecule: A hydrophilic molecule or portion of a molecule is one which has interactions…

Q: What is the equation for the reaction of Mg(s) with CuSO4(aq)?

A: Given :- Mg(s) + CuSO4(aq) →  To complete :- above equation

Q: Part A Which aqueous solution has the highest boiling point? O 1.25 M Ca(NO3)2 O 1.25 M KNO3 O 1.25…

A: When any non-volatile solute is added to pure solvent then its boiling point increases. this is…

Q: Four liquids are described in the table below. Use the second column of the table to explain the…

A: Given: density of water = 1.00 g/mL Kf of water = 1.86 oC/m Kb of water = 0.512 oC/m Normal freezing…