All Questions

Both Conc. Being 1 M ,The factor by which the percent hydrolysis of CH3COO Is greater in CH3COONH4 than in CH3COONa is

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 ...

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 ...

How come the electron configuration of iron is 1s2 2s2 2p6 3s2 3p6 3d6 4s2 not, 1s2 2s2 2p6 3s2 3p6 4s2 3d6 ?

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.

I was given the reaction In diluted solution and with neutral pH, the reaction reacts according to a reaction velocity law of pseudo-1. order: $$-\frac{dc_{DNPA}}{dt}=k_{obs},\quad k_{obs}=k\cdot c_{...

I'm doing a high school chem project where I am making a calibration curve of copper(II) sulfate for spectrophotometry in which I make solutions with five different concentrations. The most ...

$\ce{Cr2O3}$ can be reduced to the elements chromium with high temperature and carbon by this two reactions: $$ \begin{align} \ce{Cr2O3(s) + 3C(s) &-> 2Cr(s) + 3 CO(g)} \label{rxn:1}\tag{1}\\ \...

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! ...

Give the order of stability of the given carbocations.

Which compound between ICl and BRCl has stronger permanent dipole?

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 ...

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 ...

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 ...

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 ...

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.

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) & ...

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, ...

Context of the question: I was reading on hydrogen bonds, specifically how close they are to the thermal energy of the fluids. So I googled the value of thermal energy at room temperature, which was $\...

As i was curious in knowing orientation planes provided by seed crystal to silicon wafers(Ingot). In Czochralski process silicon melt of around 1400 degree a Here process is explained in general In ...

I came across a question that asked for a method to convert propene to glycerol. I used the method in the pic, but I'm worried about two steps- Step-2, This reaction is just made up by myself! I'm ...

When I measure optical density in a microplate reader the absorbance is proportional to the concentration and the height of the liquid. Is Beer-Lambert law also valid for fluorescence and luminescence?...

I am trying to simulate the single particle second order reactions with known rate constants $k_1$ and $k_{-1}$ in Python. The point of this simulation is to fit the real experimental data to the ...

I was wondering if the Carbon atom in HCOOH (methanoic/formic acid) forms a positive partial charge by donating its electrons to both the Oxygen atoms, since they both possess a higher ...

unless if using the cycle method is easier, please do show the calculation please

The partial pressure of the $\ce{CO2}$ in a reactor kept at $\pu{2000 K}$ is $\pu{0.700 atm}$. After addition of hydrogen, the equilibrium $\ce{CO2(g) + H2(g)<=>CO(g) + H2O(g)}$ with $K_p=4.40$ ...

Is there a formula for finding the density of an element? Example: density of Aluminum is 2.70 $\frac{g}{cm^{3}}$ I've tried using the ideal gas law (PV = nRT) with using the constants at STP (1 mol =...

Pls tell me if I am correct on the following points about quantum number l: 1)l refer to the names of orbitals and their shapes 2)the number of l tells the number of types of orbital in a shell

Which $\ce{0.10 M}$ aqueous solution exhibits the lowest electrical conductivity? A) $\ce{HC_2H_3O_2_{(aq)}}$ B) $\ce{HNO_3_{(aq)}}$ C) $\ce{NH_4C_2H_3O_2_{(aq)}}$ D) $\ce{Ca(...

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 ...

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.

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 ...

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 ...

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 ...

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 ...

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 $\pu{5e-6 mol}$ $\ce{FeCl3}$ ...

An ionic compound has a solubility of $1\ \mathrm M$ in water at $25\ ^\circ \mathrm C$ and its solubility increases as the temperature is raised. What are the signs of $\Delta H^\circ$ and $\Delta S^\...

So I was wondering if the compound theobromine can have enantiomers if so, why and where. I currently don't know where the chiral center is, I only know that it has positional isomers.

When I took a chemistry class a few years ago and I remember the teacher saying , like dissolves like. So with that logic, is there a say to denaturalize protein? I spilled a protein shake in the back ...

I want to approximate the temperature increase for a piece of magnesium reacting with steam $$\ce{Mg(s) + H2O (g) → MgO (s) + H2 (g)} \quad\Delta H = \pu{-360 kJ mol-1}$$ So, I've made a couple of ...

A compound X (mol. wt. = 86) doesn't shows tautomerism and has double bond equivalence equal to 1. But, Structural Isomers of X can show tautomerism. (Structural isomer of X is a mono substituted ...

In the case of both are strong, I can see why it's irreversible, because the acid is very willing to give a proton and the base is very willing to take one. Now here are my 2 main questions: 1-in the ...

When a weak acid is added to water , will the dissociation of water reduce due to common ion effect caused by increased H+ concentration due to acid , my text book said common ion effect is caused by ...

I have answered a question asking which of the products can decompose h2o2 I answered naoh + cao (one of the options given) But they said its wrong

Hello. I was studying about the alkaline ring opening or purines. While doing research, i came across this compound. This got me thinking if we can use the same procedure to open the imidazoline ring ...

Sort the ions $\ce{F-}$, $\ce{Mg^2+}$, $\ce{O^2-}$ by their ionic radius and the minimal energy needed to remove an electron. For the radius I considered that they all have the same electron ...

here I have given you the picture of reacn between calcium and phosphorus which forms Ca3P2. And this reacts with HoH to form phophine gas and this reacts with oxygen to have a fire I want to ask you ...

This is a very simple question: Why are oxidized compounds generally thought to be less toxic/polluting than reduced species? This is used in waste water treatment where oxidizing agents (such as ...

Calculate the mole fraction of ammonia in a $\pu{2.00 m}$ solution of $\ce{NH3}$ in water. What I know is that the formula for mole fraction is $$X = \frac{\text{no.-of-moles-of-solute}}{\text{(no.-...

ΔG=ΔG°+RTln(Kp) If I understand it correctly, the ΔG in this equation gives the "distance" in Gibbs free energy of a chemical system at a particular moment in a reaction (encoded by the Kp) to the ...