Show that the standard heat of the following reaction is equal to -905 kJ/mol at 25 oC. 4 NH3(g) + 5 O2(g) --> NO(g) + 6 H2O(g) Organize your calculations.

Q: Calculate the pH of a 20.0 mL of 0.10 M NaCl solution after a. 5.00 mL of a 0.0100M of HCl…

A: QASW3X

Q: Osmotic pressure is a measure of (a) the change in vapor pressure when the external pressure changes…

A: The explanation is given below-

Q: Hydrogen chloride gas and oxygen react to form water vapor and chlorine gas. What volume of water…

A: we have to calculate the volume of water produced in the reaction

Q: How many moles of neon occupy a volume of 14.3 L at STP? O 32.0 moles O 36.7 moles O 1.57 moles…

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Q: What is the equilibrium pH of an initially 5.1 M solution of hypochlorous acid, HOCl, at 25°C (Ka =…

A: Initial concentration of HOCl= 5.1 M Ka= 3.5 x 10-8

Q: Specific Heats of Substances Substance Brick Ethanol Wood heat added: Calculate the amount of heat,…

A: Mass of brick = 39.2 g Mass of ethanol = 39.2 g  Mass of wool = 39.2g Change in Temperature = 50.7°C…

Q: (a) If the molar solubility of Cd3(AsO4)2 at 25 oC is 1.15e-07 mol/L, what is the Ksp at this…

A: Molar solubility is represented as moleL mole = massmolar mass Molar mass of Y2(CO3)3 = 357.8384…

Q: If mols of HCl and KOH were not equal, how would this reaction change and what steps would I take to…

A: To provide the method to calculate the heat of neutralization of KOH if the number of moles of HCL…

Q: Find [E] of total enzyme and change in concentration[E] with time of this reaction. E+S (K1,K-1)…

A: For the given enzyme reaction:

Q: equilibrium partial pressures of CH4, H2S, CS2, and H2. (CH4) =  7.5 Peq(H2S) = 5.35 Peq(CS2) =…

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Q: For the following weak acid, write a Bronsted Lowry acid base reaction with water showing the…

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Q: Macmillan Learning O Predict the neutral organic product of the reaction. CH3 H₂C=C + H3C-OH CH3…

A: In presence of acid, alkene reacts with alcohol and produces ether. The reaction is given below

Q: Gaseous butane (CH, (CH), CH₂) will react with gaseous oxygen (O₂) to produce gaseous carbon dioxide…

A:

Q: Consider the multiplicity of the 1¹H NMR peak shown below. Identify how many hydrogens are on the…

A: Multiplicity of a peak corresponding to a hydrogen in 1H NMR spectroscopy is used to determine how…

Q: A student dissolves 13.8 g of ammonium chloride (NH4Cl) in 250. g of water in a well-insulated open…

A: a.) Nature of reaction can be determined from temperature change.  b.) Heat can be calculated using…

Q: A student dissolves 12.1 g of potassium chloride (KC) in 300. g of water in a well-insulated open…

A: a) Nature of reaction can be determined from temperature change.  b.) Heat released or absorbed is…

Q: 4) н осоон C он

A: During determination of R/S nomenclature of chiral center, if 4th priority group is not present in…

Q: 1.00 mole of copper(II) sulfate, CuSO4, contains how many O atoms? O 2.41 x 1023 O atoms 2.41 x 1024…

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Q: H3C CH3 CH3 CH3 A) 5-40 ppm B) 40-70 ppm C) 110-160 ppm D) 165-180 ppm E) 200-210 ppm

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Q: Part C (+/-)- Part D CN K CN CN

A: Diels-Alder reaction: It is a [4+2] cycloaddition reaction between a diene and dienophile to give a…

Q: Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are…

A: When salts are dissolved in water they dissociate into their corresponding ions.

Q: a) The conversion of a-cyanoketone 1 to the cyclononanone 2 by treatment with a fluoride source,…

A: Kindly repost your question (b) because these are not interrelated.  Thanks you

Q: HCl + H2O → H3O+ + Cl- 50mL of H2O 2mL of 1M HCl Calculate the expected pH of this solution.

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Q: A reaction between liquid reactants takes place at 20.0 °C in a sealed, evacuated vessel with a…

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Q: O Macmillan Learning Potassium nitrate, KNO3, has a molar mass of 101.1 g/mol. In a…

A: Heat of solution can be calculated using formula  q = mC∆T  Enthalpy of reaction is calculated using…

Q: CH3COOH + H2O --> H3O+ + CH3COO- Meaured pH of solution= 2.58 a) Calculate the [H3O+] at…

A: Here we have to determine hydronium ion concentration,  acetate  ion concentration and acetic acid…

Q: Given that ?a for HCN is 6.2×10−10 at 25 °C, what is the value of ?b for CN− at 25 °C? ?b=…

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Q: Rank the conductivities of 1 M aqueous solutions of each of the following solutes, starting with the…

A: The given electrolytes are  (a) acetic acid (b) methanol (c) sucrose (table sugar) (d)…

Q: At STP, temperature and pressure have the values of O 273 K and 1 mmHg 273 K and 760 mmHg O 760 K…

A: Answer: STP means standard temperature and pressure and it refers conditions in the atmosphere at…

Q: What happens when oxalic acid reacts with potassium permanganate

A: Redox reaction takes place when oxalic acid reacts with potassium permanganate.

Q: A: NUⓇ Nu i B Consider the following two compounds and answer the questions that follow: Nu (a)…

A: Nucleophilic addition reaction: The chemical reaction in which a nucleophilic addition to the…

Q: Why is a primary radical less stable than a secondary radical using structures and words to explain.…

A: This can be explained as:

Q: from 9 0₂ lost (#2) → mol O₂ lost from mol O₂ lost (#3)→ mol KC103 from mol KC10₂ (#4) →g KC103² 3.…

A: From the mass of O2 gas lost we can figure out moles of O2.

Q: One of the excited states of a C, molecule has the electron configuration: (₂0₁, F0₂, F0₂ )(…

A:

Q: Part C Draw the major product of the following reaction: и ✓Br₂ -

A: In presence of sunlight there occur bromination of alkane and reaction proceeds through most stable…

Q: HO AG° = HOT HO OH a form of glucose OH a form ß form H - Which of the two forms is most stable: HO…

A: In the chair conformation of cyclohexane bulky group prefer equatorial position. ∆G° = -RTlnKeq  R =…

Q: I can't view the first answer?

A: In the first question we have to calculate the molar concentration of [OH]- of 0.0849 g of RbOH.

Q: Question 17 You titrate a 0.125 L of 0.250 M ammonia solution with 0.500 M HCI. What is the pH at…

A: we have to calculate the pH of solution at equivalence point

Q: A scientist measures the standard enthalpy change for the following reaction to be 74.8 kJ: 2HBr(g)…

A: Enthalpy of formation is the enthalpy change during the formation of one mole of the compound from…

Q: Rank the following compounds in order of reactivity toward an SN1 reaction. (1=best) CH3CH₂Br…

A: Given compounds are  We need rank these compounds in order of their reactivity towards SN1 reaction…

Q: When 4 moles of aluminum are allowed to react with an excess of chlorine gas, Cl₂, how many moles of…

A: We have the reaction  2Al + 3Cl2  →  2AlCl3 4 moles of aluminium are reated with excess Cl2, we need…

Q: Draw one of the possible diastereomers of the molecule shown below. Use a dash or wedge bond to…

A: Non mirror image, non superimopsable stereoisomers are called diastereomers.

Q: How many moles of NaOH are in 13.39 mL of 1.38 M NaOH? Do NOT place the answer in scientific…

A:

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

A: We would use given reactions to calculate the ∆H .

Q: Similarities I and M? I and C? M and C? Differences I and M? I and C? M and C?

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Q: -1 Compound X has a molar mass of 416.41 g-mol and the following composition: element phosphorus…

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Q: Threonine is a naturally occurring amino acid used in the production of proteins in the body. Draw…

A: Enantiomers - pair of a molecule that exists as a mirror image to each other. Threonine is a…

Q: Show a detailed mechanism for the following reaction. Include all arrows and steps. H₂C- • CH₂ - OH…

A: it is nucleophilic substitution reaction. where nucleophile is OH-

Q: What effects do impurities have on a melting point? (Select all that apply.)   Question 5 options:…

A: The effects do impurities have on a melting point  Correct answers --> Impurities widen the…

Q: Question 4 NH3 + 5 02----> 4 NO + 6H₂O What mass of N O (MW = 30.01 g N O) is formed when 100. g of…

A: Suppose a balanced chemical equation  aA+bB —>cC Then  a mol of A produces c mol of C i. e.  a…