True or false?   The valence electronic configuration of arsenic is 4s24p5 The electronic configuration of Co3+ is [Ar]3d44s2 The value of ℓ is always equal to n minus one The secondary (angular momentum) quantum number is always an odd number The electronic configuration of the oxide anion (O2-) is 1s22s22p6

Q: In the hot gases of an automotive engine's cylinders, temperatures may exceed 1142 K (degrees kelvin...

A: the "root mean square" or "rms" velocity of the hydrogen atom is given below

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Q: Select the lesser of each of the following pairs of radii.   The covalent radius of Ga  The covale...

A: 1). From left to right in a period, covalent radii decreases.  Lesser radii is The covalent radius o...

Q: Which of the following sets of quantum numbers represents an electron with the highest energy in a m...

A: Which set of quantum numbers represent highest energy ?

Q: 25- How to prepare 70% (v/v) Ethanol in water? (Ethanol is absolute, Mwt 46 g/mol) A) By Diluting 14...

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Q: 4. In neutral compound, what is the sum of all oxidation numbers of all atoms making up the compound...

A: Since you have posted multiple questions, as per our company guidelines we are supposed to answer on...

Q: What is the conjugate base of HPO42-? OA H3PO4 O B. PO43 H2PO4 O D.OH O E HPO4

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Q: Can this molecule have resonance structures? How do I draw them?

A: Yes, carboranes can be written in the form of boranes which its resonating structure.

Q: Order the following sets of five atoms and ions according to increasing size: ("1" smallest and "5"...

A: The given anions and cations are - - >  F- , H- , Be2+ , Li+  , Cl-   When an atom looses its ele...

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Q: Which one of the following statements about solid Cu (face-centered cubic unit cell) is incorrect? O...

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Q: 3-azaspiro[5.5]undeca-1,3,7.9-tetr. Chemical Formula: C10H11N

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Q: Draw the most stable chair conformation of trans-1-tertbutyl-4-methylcyclohexane? (It means, put sub...

A: The solution is given below - 

Q: 6 ml of water used (5 ml of tap water 1ml of buffer)     Hard Water Trial 1 Hard Water Trial 2 ...

A: We would use given instructions for calculation to proceed for calculation.  For this we would use t...

Q: The equilibrium constant is equal to 5.00 at 1300 K for the reaction: 2 SO2(g) + O2(g) =2 SO3(g) If ...

A: Reaction quotient(Qc): The quantity obtained by substituting the initial concentrations into the equ...

Q: A major component of gasoline is octane (CH,). When liquid octane is burned in air it reacts with ox...

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Q: Calculate the volume (in m^3) of helium needed in a hot air balloon to lift at least 100 kg of load....

A: According to the buoyancy rule, the buoyancy force will be equal to the weight of the fluid that is ...

Q: Given the pair of reactions snown below, where all species are aqueous, with their equmibrium consta...

A:   Given equilibrium reactions are   1.   AB2  <-->  A  +  2 B                                 ...

Q: Is it necessary to bleach the hair prior to application of a hair dye? Why?

A: No, you don't need to bleach before hair coloring. sometimes you can. It's totally depends on what y...

Q: > Y 1. (125)

A: Here the concept of Miller indices will be applied

Q: How will you test for the presence of the halogen in iodoform?

A: We can test the presence of halogen in iodoform with help of the Lassaigne test.

Q: QUESTION 5 (10 blanks) If the gravitational potential energy of the water is equal to the increase i...

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Q: When the reaction A (aq) + B (aq) C (aq) reaches equilibrium, the concentration of C is 0.013 M. Com...

A: Given - - > Initial concentration of A = 0.0450 M Initial concentration of B = 0.0600 M Equilibri...

Q: Determine the BTUS required to freeze 100 pounds of meat that is 70% water starting at 60 F and fini...

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Q: Given the pair of reactions shown below, where all species are aqueous, with their equilibrium const...

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Q: The reaction 2 NO2 2 NO + O2 is postulated by the following mechanism. NO2 + NO2 → NO + NO3 (slow) N...

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Q: What is the true density of Zr, an HCP crystal, in g/cm3 ? Atomic Number = 40 Atomic Weight = 91.22 ...

A: Recall the equation d = (Z× Atomic number)/(Na×a3) d= density Z= total no of atoms in  Na= Avogadro ...

Q: For the following atoms, deduce the number of unpaired electrons for the correct ground state config...

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Q: 2- In the reaction HSO4 (aq) + OH (aq) S04( + 20 (1) the conjugate acid-base pairs are: OA. pair 1: ...

A: According to Bronsted- Lowry acid base theory, one who gives H+ is acid and the one who accept H+ is...

Q: Directions: Use the cooling curve below to answer the following questions. 130 130 IV 30 10 40 10 e ...

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

Q: Use the References to access important values if needed for this question. Use unit analysis to show...

A: The density, of a substance is its mass per unit volume. It is usually represented by symbol ρ (rho)...

Q: The molar conductivity at infinite dilution of hydrochloric acid, sodium benzoate, & sodium chloride...

A: Given :  Molar conductivity of hydrochloric acid = 426.2 Scm2mol-1 Molar conductivity of sodium benz...

Q: You have 500.0 mL of a buffer solution containing 0.30 M acetic acid (CH3COOH) and 0.20 M sodium ace...

A: We have to predict the pH of final buffer solution.  

Q: Consider the radioisotope 226Ra (half life = 1.60 x 10' years). What is the first order rate constan...

A: Given the question in half life of Ra is 1.60×103 years.  Calculate the rate constant of first order...

Q: Draw Diene + Draw Dienophile of

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Q: eigy dlagladm were calalyzed, the effect would be to: Reaction Coordinate O A increase line segment ...

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Q: Consider the reaction: CD   C2+ + B2-; Ksp = 2.4 x 10-8 What is ΔG° at 25 °C?     87.2 kJ/mol   ...

A: Given,  Ksp = 2.4 x 10-8 Temperature, T = 25 °C = (25+273) = 298 K   

Q: How many atoms are there in a cubic close-packed unit cell of platinum? О а. 1 O b.6 О с. 2 O d.4 O ...

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Q: How much energy (in J) is required to evaporate 25% of 4g of water currently at 100 °C? The answer (...

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Q: Calculate the value of AH for the rea N2H4 (1) + 02 (g) N2 (g) + 2 NH3 (g) + 3 N20 (g) N20 (g) 2 NH3...

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Q: Question: Which is the correct representation of the base ionization constant of HC2O4-?

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Q: ne space-filling representation of a crystalline potassium provided below is an example of a unit ce...

A: Introduction :  In simple lattice structure the atoms are placed at each corner of the cube, each at...

Q: Cholesterol in blood is measured in milligrams of cholesterol per deciliter of blood. If the unit of...

A: One deciliter is equal to 100 milliliter. One milligram is equal to 0.001 grams.

Q: In any cubic lattice an atom lying at the corner of a unit cell is shared equally by how many unit c...

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Q: What is the chemistry behind the following: b. Presence of salt that will increase rusting of metal...

A: Oxidation of metal is behind the rusting of metal.

Q: Different polymers have different properties. Explain

A: Polymer is a big molecule or macromolecule which is essentially a combination of many subunits. Poly...

Q: 5. The radius of an atom is approximately 1010 m. That of the nucleus is 1014 m. What percentage of ...

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Q: Strongest intermolecular force in magnesium

A: Answer - Intermolecular force - An intermolecular force is the force that mediates interaction betwe...

Q: TThe rate constant for the first-order decomposition. at 45°C of dinitrogen pentoxide, N,0, dissolve...

A:

Q: Compare iron and aluminum in terms of their property to resist corrosion

A: When corrosion occurs in aluminium. It forms an oxide layer, which is impervious to water and oxygen...