User Poutnik - Chemistry Stack Exchange

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Why is the excluded volume in van der Waals 4 times the actual volume of the gas molecule?

answered Aug 1, 2022 at 8:06

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Why is radial probability density exactly zero at the center?

answered Jul 31, 2022 at 8:16

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Why do amphiprotic substances react to completion in acidic and basic conditions?

answered Jun 13, 2022 at 13:13

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In a electrochemical cell, why does the anode (where oxidation occurs) have a lower concentration than the cathode?

answered May 2, 2022 at 8:04

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How does the redox reaction in a voltaic battery pile start?

answered May 16, 2022 at 8:08

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Doubt concerning Andrews Curve

answered May 19, 2020 at 6:42

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Is enthalpy affected by isotopes?

answered May 16, 2020 at 6:37

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Calculating ratio of conjugate base and acid when pH and pKa are given

answered May 11, 2020 at 18:23

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How to transfer Gel into liquid

answered Mar 28, 2020 at 6:46

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Concentration when done wrt mass or volume

answered Mar 24, 2020 at 15:03

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Should I relate the number of moles between substances when converting weight units?

answered Mar 31, 2020 at 5:32

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Why do stable compounds have a lower heat of combustion?

answered Apr 10, 2020 at 6:50

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How many significant figures should I report calculating volume concentrations?

answered Apr 13, 2020 at 9:10

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If we take a adiabatic closed container and allow CaO and water to mix. Will reaction take place? will entropy of system change?

answered Aug 3, 2020 at 9:32

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Rules to follow while writing a chemical formula for polyatomic ions

answered Aug 14, 2020 at 6:36

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Place cooling bath apparatus in freezer to speed up the process?

answered Sep 3, 2020 at 8:36

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Does the 4s orbital really have a higher energy level compared to 3d?

answered Aug 23, 2020 at 10:17

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What are the differences and similarities of Sugar Alcohol and the Alcohol in Alcoholic Drinks?

answered Jul 22, 2020 at 14:12

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What grade of sodium fluoride is needed for preservation of urine for drug and alcohol testing?

answered Jul 23, 2020 at 7:26

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Half life of first order reaction in case of variable volume

answered Jul 8, 2020 at 5:47

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Relation of Energy required to change an orbit by electron of H atom with spectrum

answered Dec 19, 2020 at 8:37

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Calculating the density of a magnesium sulphate solution

answered Nov 15, 2020 at 10:40

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Which is the most stable resonating structure of naphthalene and why?

answered Nov 9, 2020 at 13:32

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Precise estimation of air properties as a function of temperature at 1 atm

answered Jan 21, 2021 at 7:21

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How does the calorimeter affect heat released by the system (q)?

answered Sep 13, 2020 at 18:47

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Do higher orbitals have more energy or less energy?

answered Sep 29, 2020 at 21:22

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comparing electronegativity for row elements and size of the atom for column elements

answered Oct 3, 2020 at 8:17

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How does Metol (4-(methylamino)phenol sulfate) react when developing black and white photos?

answered Nov 3, 2020 at 9:07

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Effect of water vaporation on saturated solution

answered Oct 24, 2020 at 9:03

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Vapour density dependence on temperature

answered Oct 6, 2020 at 13:39

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1,257 Answers

Why is the excluded volume in van der Waals 4 times the actual volume of the gas molecule?

Why is radial probability density exactly zero at the center?

Why do amphiprotic substances react to completion in acidic and basic conditions?

In a electrochemical cell, why does the anode (where oxidation occurs) have a lower concentration than the cathode?

How does the redox reaction in a voltaic battery pile start?

Doubt concerning Andrews Curve

Is enthalpy affected by isotopes?

Calculating ratio of conjugate base and acid when pH and pKa are given

How to transfer Gel into liquid

Concentration when done wrt mass or volume

Should I relate the number of moles between substances when converting weight units?

Why do stable compounds have a lower heat of combustion?

How many significant figures should I report calculating volume concentrations?

If we take a adiabatic closed container and allow CaO and water to mix. Will reaction take place? will entropy of system change?

Rules to follow while writing a chemical formula for polyatomic ions

Place cooling bath apparatus in freezer to speed up the process?

Does the 4s orbital really have a higher energy level compared to 3d?

What are the differences and similarities of Sugar Alcohol and the Alcohol in Alcoholic Drinks?

What grade of sodium fluoride is needed for preservation of urine for drug and alcohol testing?

Half life of first order reaction in case of variable volume

Relation of Energy required to change an orbit by electron of H atom with spectrum

Calculating the density of a magnesium sulphate solution

Which is the most stable resonating structure of naphthalene and why?

Precise estimation of air properties as a function of temperature at 1 atm

How does the calorimeter affect heat released by the system (q)?

Do higher orbitals have more energy or less energy?

comparing electronegativity for row elements and size of the atom for column elements

How does Metol (4-(methylamino)phenol sulfate) react when developing black and white photos?

Effect of water vaporation on saturated solution

Vapour density dependence on temperature