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Q: Certain salts of benzoic acid have been used as food additives for decades. The potassium salt of be...

A: (1) The balanced Chemical equation is - C7H8 +  2KMnO4 ---> KC7H5O2 + 2MnO2 + KOH + H2O (C=7,H=8,...

Q: The thermal decomposition of potassium chlorate can be used to produce oxygen in the laboratory. 2KC...

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Q: A solution is made by dissolving 13.75 mol of non-volatile solute into 34.15 mol of solvent. If the ...

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Q: What is the formula of the compound in which the atom combining ratios are: boron: hydrogen : chlori...

A: Given : The ratio of elements in the compound = Boron : Hydrogen : Chlorine = 4 : 9 : 1  

Q: Uranium-238 emits an alpha particle. The new nucleus that forms has a mass number of and an atomic n...

A: Atomic number of Uranium = 92 the alpha particle is H24e.  

Q: How many electrons can be assigned to orbitals designated by the quantum numbers n = 8, ℓ = 2?

A: n = 8 and l = 2 corresponds to 8d orbital.

Q: Calculate the rate constant, k, for a reaction at 75.0 °C that has an activation energy of 82.7 kJ/m...

A: According to the Arrhenius equation, the rate constant can be calculated by knowing the frequency fa...

Q: Can i get help with this problem

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Q: ganization of the Periodic Table Tamera v Read each description in the first column of the table bel...

A: The Atomic Number 92 is used for Uranium.  (1) An element in period 2 and group 8A - Group 8A is of ...

Q: What are the main classifications of hydrocarbons? What aretheir generic molecular formulas?

A: To write the main classifications of hydrocarbons and to give their general molecular formula.  

Q: Can i get help with this problem

A: Since we only answer up to 3 subparts. Please resubmit the question with other sub-parts (up to 3) y...

Q: 3. Which solution is most concentrated? (Hint: Convert all solutions to g/dL). Show your work. a. 6....

A: Concentration is given as mass divided by volume. Concentration = mass/volume. Concentration is dire...

Q: An equilibrium is established for the reaction 2 CO(g) + MoO₂(s) ⇌ 2 CO₂(g) + Mo(s). Use the express...

A: Kp is the constant determined from the partial pressures of a reactant and product species. It is us...

Q: If a 1.25 g sample of magnesium oxide (98.9%) were titrated with 70 ml of 1.04 N of sulfuric acid, w...

A: Mass of magnesium oxide = (98.9/100) × 1.25 g = 1.236g Moles of magnesium oxide = 1.236g/(40.3gmol-1...

Q: A hydrocarbon (Alkene) is used as a 5 نقاط monomer to prepare a chain-growth polymer with molecular ...

A: Given: molecular weight of polymer is 42000 g/mol degree of polymerization is 1000

Q: What would be the difference in precision and accuracy if I chose to use a graduated cylinder instea...

A: Solution Beakers, chemist flasks, dropping funnels and therefore the like aren't volumetrical instru...

Q: Draw the structural formula for a compound with the given molecular formula. Q.) A 1° aliphatic amin...

A: Amine functional groups are derivatives of ammonia. Here, the hydrogens in NH3 has been replaced wit...

Q: A radioactive counter gave a reading of 356 min-1 for a 12.3 mg sample of cobalt(II) chloride partia...

A: The rate of the reaction is referred to as the change in the molar concentration in a distinct inter...

Q: Draw an enthalpy diagram for a general exothermic reaction;label the axis, reactants, products, and ...

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Q: H3C Br H3C CH3 H3C Aqueous ethanol HO CH3 H. H. CH3 BH3 O-BH3 Proton transfer d = El Elimination f=S...

A: The question is based on the concepts of reaction mechanisms of organic chemistry. there can be diff...

Q: When drawing the Lewis structure of the H,CO molecule, the structure should represent a total of 12 ...

A: The molecule given is H2CO.  

Q: Show how you get the answer

A: The given data contains, volume of potassium iodide = 60 ml molarity of potassium iodide =0.322 M Vo...

Q: Arrange the following in the order of the property indicated for each set–(a) F2, Cl2, Br2, I2(Incre...

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Q: Write the Lewis structure for each ion. Include resonance structures if necessary and assign formal ...

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Q: How many milliliters of 25.0 mg/L stock solution must be added to a 25.00-mL volumetric flask to pro...

A: Given : Concentration of stock solution = 25.0 mg/L Concentration of final solution to be prepared =...

Q: 0.078 g of hydrocarbon occupy 22.4 ml of volume at 1 atm and 0 C. ° The empirical formula of the hyd...

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Q: Initial rates were measured for the following reaction and are listed in the table. A + 2B ⎯→ produc...

A: we can calculate the rate law as the following way

Q: The following reaction is second order. Under certain conditions the half life of the reaction is 17...

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Q: How many cm3 of HF(g) are needed to produce 26.0g of Na3AIF6. The density of HF (g) at 25C is 1.15g/...

A: given: mass of Na3AlF6  produced = 26.0 g  density of HF = 1.15 g/L The balanced chemical equation t...

Q: Consider the equilibrium system described by the chemical reaction below. If 0.1908 moles of CO₂, 0....

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Q: Can i get help with number 3

A: The reaction of cyclopentadiene with maleic anhydride giving cycloadduct anhydride can be given as: ...

Q: Using Woodward-Fieser rules, calculate Amax for the following compound OH 239 nm O 262 nm 284 nm O 2...

A: Woodward-Fieser rule demonstrates the path of theoretically calculate the λmax of the given molecule...

Q: Provide the IUPAC name for each of the following compounds. (а) OH (b) НО. (c) OH H2N. H,N NO2 O

A: IUPAC names of given compounds are,

Q: Consider the equilibrium below occurring at a certain fixed temperature.CO (g) + 2 H₂ (g) ⇄ CH₃OH (g...

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Q: There are four sketches below. The first sketch shows a sample of Substance X. The three sketches un...

A: Physical changes are those changes in which only Physical state of matter change, while their chemic...

Q: A gas mixture being used to simulate the atmosphere of another planet consists of 320 mg of methane,...

A: To calculate the total volume of the mixture, the ideal gas equation can be used as follows: PV=nRTV...

Q: When NaHCO3 is heated above 270C. It decomposes to form sodium carbonate, water, and carbon dioxide....

A: Here NaHCO3 decomposes to form sodium carbonate(Na2CO3), water (H2O) and Carbon dioxide(CO2) The rea...

Q: Is this reaction endothermic or excthermic?Explain. HaC-CEC-CH3 + Hz He Cataiyst H2C CH3

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Q: A gas has a solubility of 1.53 mg/L at 22 °C under a pressure of 0.81 atm. What is the solubility of...

A: we have to apply henry's law

Q: How are the following pairs of structures related? Your choices are diastereomers, enatiomers, struc...

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for you...

Q: 4. Plutonium-239 (produced in breeder reactors has a half-life of 24,100 years. How long will it tak...

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Q: 5,How many lone pairs are around the central atom in the Lewis formula for XeOF4?  Group of answer c...

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Q: 8. In which of the following molecules or ions is the octet rule violated  A, SiH4 B, SOF4 C, SF2 d,...

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Q: Given the following reaction mechanism: What is the overall reaction? Identify the catalyst. Identi...

A: A catalyst is a species that is present at the beginning of a reaction and reappears at the end. It ...

Q: 1.a)Calculate the energy (J) of a single photon of 307 nm electromagnetic radiation. Show your answe...

A: Before doing the problem we must know the de broglie relationship between wave and the energy . Acco...

Q: Write a complete chemical formula, including physical state symbol, for each element listed below in...

A: Each and every element has different chemical symbols or formula, which specific for them but differ...

Q: How are the following pairs of structures related? Your choices are diastereomers, enatiomers, struc...

A: The gives molecules are such that one is in Newman projection and the other is in Fischer projection...

Q: Identify the following reactions as either SN1, SN2, E1, or E2: (a) Br CHCH3 CH=CH2 КОн (b) Br OCH3 ...

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Q: Predict the product.

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Q: Identify the compound with the highest boiling point.Group of answer choices CH3OH CH3CN CH3CH2CH3 C...

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