If the slope of an Arrhenius plot is - 43,750 K, determine the activation energy.

Q: A 2.5-mol monoatomic gas (s=8.2 J/mol-K) recorded a temperature drop of 19 Kelvin while performing 7...

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Q: Calculate the energy of photons from monochromatic radiation for which the wavelength is 234.5 nm.

A: Detail mathematical calculation is shown below

Q: A solution of H2SO4 containing 50.0% H2SO4 by mass has a density of 1.40 g/mL. Express its concentra...

A: A solution of 50% of sulphuric acid means 50 g of sulphuric acid in 100 g of solution. Mass of solve...

Q: 2. A certain second order reaction has a half-life of 58.0 s. Determine the time (in seconds) needed...

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Q: at what temperature will a solution boil that contains 344g of nitrobenzene (123.11g/mol) to which 4...

A: Mass of solute of Toulene = 4.17 g  Mass of solvent , nitrobenzene = 344 g  Molar mass of Toulene = ...

Q: Which compound has a central atom that does not obey the octet rule? O H2S O PF5 O NF3 O CF4 O CO2

A: In the octet rule, the atom has 8 electrons. 

Q: Choose the response that lists the member of each of the following pairs that has the higher boiling...

A: (i) H2O or KI  KI is an ionic compound and it has boiling point always higher than water.

Q: OH 1. Br 2.

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Q: A very strong nitric acid (HNO3=63.02 g/mol) solution is available as a 33.4 m solution. Given the d...

A: Given: Molality = 33.4 m  Density of solution = 1.33 g/mL  Molar mass of solute (HNO3) = 63.02 g/mL ...

Q: (Q66) At what temperature (°C) will a solution that contains 70.4 grams of the nonelectrolyte ethyle...

A: Mass of ethylene glycol = 70.4g  Mass of water = 632 g  Boiling point of pure water = 100°C  

Q: 10. Which of the following will hasten the rate of a reaction? * A. adding a catalyst B. diluting th...

A: Since you have posted multiple questions,we will solve first three questions for you . To get the re...

Q: Type of compound Ketone (since alkane is lower priority Functional group (highest priority) Carbonyl...

A: Details description of functional group and the group name is given below

Q: Prepared 1 M of HCL in 1000 ml, that density is 1.19 g/cm3 and percentage ?w/w is 37 %, Mwt is 36.5 ...

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Q: Hard bases have filled orbitals and empty orbitals could be seen at high energy levels.

A: Hard Bases have  a Weakley polarisable electron and these are Lewis bases. For examples- Amines, amm...

Q: mary of ruction ting in mole. Ozone destruction step O, + Cl→0, + CIO Atomic chlorine reconstitution...

A: Solution -

Q: Which of the following substances will display an incomplete octet in its Lewis structure? O C2 O CO...

A: A multiple choice question based on atomic structure that is to be accomplished.

Q: (Q73) A solution contains 23.99 grams of magnesium chloride and 935.7 grams of water. What is the va...

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Q: 4. 1.0 mL of 1.0M KI is added to a mixture with 2.0 mL of H2O2 and 2.0 mL of water. This will dilute...

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Q: The gas-phase decomposition of NO2, 2NO2(g)  ---> 2NO (g) +O2 (g), is studied at 383°C, giving the f...

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Q: How many electrons can have the following set of quantum numbers? n= 4, 1 = 3, m, = -1/2 O 2 O 8 O 3...

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Q: 850 gof hot curry at 15 K cools down after 45 minutes left in the kitchen. If the specific heat of t...

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Q: Plz write theory, table, procedure, calculation and conclusion and also draw graph lf it

A: The coefficient of viscosity (η) of a liquid can be defined as the tangential force per unit area th...

Q: What is S° for B in the reaction 3 A → 2 B if ∆S°(rxn) =-227.8 J/mol ･ K? [S° (A) = (205.0 J/mol ･K)...

A: Entropy is thermodynamic property which measure the randomness of the system.

Q: Propose structures for molecules that meet the following descriptions: a. Contains two sp2-hybridize...

A: Alkane C are SP3 hybridized alkene  C atoms are SP2 hybridized while alkyne C are SP hybridized  .  ...

Q: Direction: Identify the given substances if it is polar or nonpolar, and which type of intermolecula...

A: 1.H-F is a polar molecule and have dipole dipole forces   2. CH3-CH2-CH3 is a non polar molecule and...

Q: If a substance is burned adiabatically at constant volume, all energy released is used to heat the p...

A: Combustion reaction is type of oxidation reaction, where the fuel is oxidized in the presence of oxy...

Q: An element has an atomic number of 35. If an atom of that element is in a form wherein it has a char...

A: The given element has atomic number 35. If the element has -1 charge, it means that there is additio...

Q: For which of the following reactions is the enthalpy change equal to the second ionization energy of...

A: Among the given reactions, the enthalpy change equal to the second ionization energy of nitrogen is,...

Q: 1-bromo-2-methylpentane Draw the molecule on the canvas by choosing buttons from the Tools (for bond...

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Q: SH

A: First numbering the compound in such a way that substituents are placed at least numbering and maxim...

Q: A plot of pressure-volume isotherms for an ideal gas at two different temperatures is shown below. C...

A: Given that : We have to calculate the ∆Sgas if 1 mole of the gas cycles through all three processes ...

Q: Prepared 1 M of HCL in 1000 ml, that density is 1.19 g/cm3 and percentage w/w is 37 %, Mwt is 36.5? ...

A: The following equation can be used to determine the required volume to prepare 1M HCl in 1000 mL, Re...

Q: I need the answer as soon as possible

A: In volumetric titration means the method in which we have to find out the concentration of analyte u...

Q: b) 1. 2.

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Q: Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is ...

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Q: Convert to moles: 2.00 g of valium /diazepam (C15H13CIN20) O 5.46 mol O 0.00843 mol O 0.00824 mol O ...

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Q: What is the formal charge of the oxygen atom in the carbon monoxide molecule? A. 0 B. +1 C. -1 D...

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Q: BrO-3(aq) + 5Br-(aq) + 6H* (aq) > 3Br2(1) + 3H20(I) The reaction between bromate ions and bromide io...

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Q: 2. Draw your model properly using the chair convention. 3. Indicate all of the axial and equatorial ...

A: Note: As per our company guideline we can answer only three subparts. Kindly repost the question. 

Q: 8. Which among the following * compounds has least solubility in water O a) Ag,CrO, b) AGNO, O c) K2...

A: the compound which has least solubility in water is 

Q: Directions: Draw the orbital diagram of the following elements and identify the type of magnetic pro...

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Q: Titrant is usually in. O In buret. In a conical flask. O In beaker. O O O

A: Titration is a method to determine the concentration of an unknown solution by using the solution of...

Q: A 250.0 g sample of methanol is heated from 0 °C to 40 °C. How much heat (in kJ to two decimal place...

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Q: Calculate the vapor pressure of a solution containing 28.5 g of glycerin (C3H8O3) in 125 mL of water...

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Q: a. True b. False

A: 4. False The maximum permissible limit of synthetic colours in food is 100 ppm. 5. False E numbers a...

Q: One mole of silicon (6 x 1023 atoms) has a mass of 28 grams, as shown in the periodic table on the i...

A: Given :- Mass of 6 × 1023 atoms = 28g  Density = 2.4g/cm3

Q: A sample of a potential pharmaceutical is being tested for effectiveness at different dosages. 250. ...

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Q: ACTIVITY/EXERCISES Write the Lewis dot structure of the following ionic compounds. 1. LiF 2. Bao 3. ...

A: Ans - Definition of Lewis Dot Structure -      The lewis dot structure is defined as a representatio...

Q: The decompostion of Cl2O7 at 500 K in the gas phase to Cl2 and O2 is a first oder reaction. After 1 ...

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Q: Represent the reaction equation of the alkene supplied to you with propanol, in acidic medium, indic...

A: In this question, we will draw all the products with stereochemistry when this above alkene reacting...