All Questions

28,650 questions
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The factor by which the percent hydrolysis of CH3COO Is greater in CH3COONH4 than in CH3COONa is

Both Conc. Being 1 M ,The factor by which the percent hydrolysis of CH3COO Is greater in CH3COONH4 than in CH3COONa is
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Is there an automatic way to generate conformers for radical like systems (spin multiplicity is doublet)? My system for the study is a substituted fullerene with a missing H atom from the functional ...
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What fluorescent materials absorb visible light and emit UVC light?

What fluorescent materials, if any, exhibit anti-stokes shift such that they absorb visible light and emit ultraviolet light in the range of 250-285 nm? I'm interested in particular in materials that ...
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How is the Iron electron configuration 1s2 2s2 2p6 3s2 3p6 3d6 4s2? [duplicate]

How come the electron configuration of iron is 1s2 2s2 2p6 3s2 3p6 3d6 4s2 not, 1s2 2s2 2p6 3s2 3p6 4s2 3d6 ?
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Bonding Scheme for Structure and Bonding Lab

I want to know how I would do bonding scheme for NH3, H2O and C6H12.This is my first time being introduced to this concept. I know how to identify the electron geometry and hybridization.
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Cr to Cr2o3 (not in powder form)

how do you obtain Cr2O3 from Cr (large pieces)? Is there any acids who could be used? I only know of heated (NH4)2Cr2O7 to get Cr2O3 but this result in powder. I'll appreciate any suggestions! ...
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Compare stability of the given carbocation [on hold]

Give the order of stability of the given carbocations.
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Interhalo compounds Permanent dipole Intermolecular force [on hold]

Which compound between ICl and BRCl has stronger permanent dipole?
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Determining the equilibrium constant

this is freely translated, I hope it's not too bad. The reaction to dehydrate Methylcyclohexane to Toluene in the gaseous phase: Formulate the reaction equilibriums constant. Now, that's not a ...
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Does diluting the titration flask change the molarity

I was solving the following problem on a test and I thought the answer was A, but the answer is actually D. Below is the problem and my reasoning: Answer choice B is clearly incorrect because the ...
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Model of an ideal liquid in chemistry

In chemistry there are ideal models/concepts of ideal crystal, ideal gas and even ideal solution, but there is no model/concept of ideal liquid. In physics (fluid dynamics, to be precise) there is a ...
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Solubility and pH

I was reading about antacids. It stated that in earlier times $\ce{NaHCO3}$ and a mixture of aluminium and magnesium hydroxide were used as antacids. In excess $\ce{NaHCO3}$ can make the medium ...
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Would sodium explode in salt water?

I’ve seen the video etc of sodium being put into freshwater and the reaction of flames/small explosion but I wonder if the same reaction would occur if conducted in salt water such as the ocean.
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Equations for Iron (III) Nitrate reacting with Sodium Carbonate? [on hold]

I know that Iron (III) Nitrate reacts with Sodium Carbonate to form a precipitate. But I'm not sure how to write these equations. I have to also indicate oxidation states (charges on each ion) & ...
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Natural orbital population analysis in Gaussian

Within (restricted) density functional theory and Hartree-Fock, respectively the Kohn-Sham orbitals and spin orbitals are the natural orbitals, with occupation numbers either 2 or 0. As I understood, ...
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What is the final temperature of both the water and the quicklime? [on hold]

CaO + H2O = Ca(OH)2 + 65.2KJ/mol If a 500 g sample of water reacted with 10.0g of quicklime, what would the final temperature be? Assume that the initial temperature of both the water and the ...
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How can I write electron configuration for Li2O? [on hold]

I know how to write electron configuration for Lithium and Oxygen separately, but I don't how to write it as a compound Li2O. Please explain this to me. Thank you.
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Aliphatic resin (wood glue) and Kerosene

Is it safe to combine wood glue and kerosene? Will the polymer chain length be destroyed? The thought is that i could stabilize wood slabs by driving the wood glue polymers into the wood by ...
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Copper sulfate and Postassium iodide Reaction [on hold]

I conducted an experiment with these two aqueous solutions. I understand that the following is not true: CuSO4(aq) + KI(aq) → CuI2 + K2SO4 This means that since CuI2 doesn't exist, so the ...
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Is the equilibrium constant related to concentrations

In an acid-base reaction, let K be the equilibrium constant and t the equilibrium position. We learned that K is only affected by temperature, while t is affected by other factors including ...
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Calculating temperature change of Helium due to Joule-Thomson effect

We are trying to fill a rocket helium tank that is 78 liters with Helium, final pressure 0f 10,500 psi. We plan to pressurize high pressure tanks to 20,000 psi using a compressing pump system, so that ...
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High concentration of ferric ion catalyst decreases rate of decomposition of hydrogen peroxide in the Fenton reaction

I did a project on the Fenton reaction and rate of decomposition of $\ce{H2O2}$. I used colorimetry to measure the rate of decolourisation of methylene blue when I mixed $\pu{5e-6 mol}$ $\ce{FeCl3}$ ...