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0

votes

3

answers

13

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What kind of system is required for dynamic equilibrium to be set up?

equilibrium

answered 1 min ago Poutnik 1,509

0

votes

1

answer

19

views

What units of K should we use in ΔG=-RTlnK?

thermodynamics equilibrium

answered 25 mins ago Karsten Theis 4,781

-1

votes

0

answers

16

views

Type of energy stored in links between two atoms [on hold]

everyday-chemistry

asked 2 hours ago vivek 1

-1

votes

0

answers

12

views

Are reactive and active exactly the same terms in EAS?

aromatic-compounds electrophilic-substitution

asked 2 hours ago Avka 1

0

votes

0

answers

14

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Find the increasing order of formation of ortho product

electrophilic-substitution

modified 2 hours ago Arsak 169

-1

votes

0

answers

12

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Calculation of no. Of stereoisomers

stereochemistry

modified 3 hours ago Yuvraj soni 1

-1

votes

0

answers

11

views

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coordination-compounds

asked 3 hours ago Yuvraj soni 1

1

vote

1

answer

24

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Synthetic ruby - damaged by heat less than its melting point?

optical-properties applied-chemistry ceramics

modified 3 hours ago Loong♦ 34.3k

0

votes

0

answers

14

views

Does the anode become negative?

electrochemistry electrons electrolysis

asked 4 hours ago Ubaid Hassan 106

0

votes

1

answer

34

views

What is the mechanism of the reaction of a ketone with sodium nitrite/ hydrogen chloride?

organic-chemistry reaction-mechanism

modified 4 hours ago Waylander 6,898

-3

votes

0

answers

17

views

About transition metals [on hold]

transition-metals

modified 5 hours ago A.K. 10.7k

-1

votes

0

answers

14

views

Resonating structures

organic-chemistry resonance hydrocarbons

asked 5 hours ago Aditya Kalra 4

7

votes

1

answer

353

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Can the van der Waals coefficients be negative in the van der Waals equation for real gases?

physical-chemistry gas-laws

modified 2 hours ago Apoorv Potnis 701

-1

votes

3

answers

31

views

ICE table with changing volume without Kc

equilibrium

answered 35 mins ago Mathew Mahindaratne 6,497

1

vote

1

answer

22

views

Meaning of polarization pulse in microwave (rotational) spectroscopy

physical-chemistry quantum-chemistry nmr-spectroscopy

answered 8 hours ago porphyrin 18.5k

0

votes

0

answers

41

views

Reaction of ketones with sodium amide

organic-chemistry reaction-mechanism nucleophilic-substitution

modified 8 hours ago ayush kulkarni 4

0

votes

0

answers

26

views

What does it mean that packing fraction is maximised?

crystal-structure solid-state-chemistry

modified 9 hours ago andselisk 19.6k

3

votes

1

answer

39

views

Why is casein hydrophobic?

molecular-structure intermolecular-forces polarity proteins

modified 41 mins ago Luquettm 116

1

vote

1

answer

24

views

Thickening and/or slowing evaporation of IPA-based ink

solutions home-experiment viscosity

modified 1 hour ago MaxW 16k

2

votes

1

answer

32

views

Derive expression for heat flow from oil bath to metal sphere

physical-chemistry heat thermal-conductivity

modified 7 hours ago Karsten Theis 4,781

0

votes

0

answers

30

views

How do I identify the compound(s) that formed from a failed synthesis of another compound?

inorganic-chemistry experimental-chemistry identification

modified 17 hours ago Rodrigo de Azevedo 898

4

votes

1

answer

31

views

Why is the graph of fluorescence vs. wavelength continuous?

physical-chemistry quantum-chemistry electronic-configuration uv-vis-spectroscopy

answered 23 hours ago Andrew 1,342

-3

votes

0

answers

24

views

What methods are used to detect a particular molecule? [on hold]

analytical-chemistry identification

asked 20 hours ago Francis L. 103

6

votes

2

answers

2k

views

Does the main washing effect of soap come from foam?

everyday-chemistry cleaning

answered 2 days ago Dumbassahedratron 27

-1

votes

0

answers

36

views

It takes 4 min for the concentration of reactant A to decrease from 3.0 M to 1.0 M. What is the average rate of the reaction over this 4 min period?

organic-chemistry inorganic-chemistry experimental-chemistry

asked 22 hours ago flakeanikeet 1

0

votes

2

answers

40

views

The equivalent weight of HNO3 in the following reaction [on hold]

redox

answered 23 hours ago M. Farooq 1,923

-2

votes

0

answers

34

views

how to count total number of stereo isomers?

organic-chemistry

modified 14 hours ago Karsten Theis 4,781

-2

votes

0

answers

25

views

Using Delta G to find melting/boiling points of compounds? Help [on hold]

physical-chemistry

modified 21 hours ago Karsten Theis 4,781

1

vote

1

answer

61

views

How to calculate pH of basic salt solution mixed with strong base?

acid-base ph

answered 16 hours ago Adnan AL-Amleh 519

-1

votes

1

answer

33

views

Why does color change during chemical reactions? [on hold]

color

modified yesterday Rodrigo de Azevedo 898

0

votes

0

answers

15

views

Would two different Plaster of Paris samples have different chemical signatures?

analytical-chemistry spectroscopy elemental-analysis

asked 22 hours ago Coll Metcalfe 1

2

votes

3

answers

70

views

Synthetic steps for the interconversion between aldehydes and ketones

organic-chemistry synthesis carbonyl-compounds

modified 14 hours ago James Bond 48

-1

votes

1

answer

22

views

pH of a Calcium Hydroxide vs Magnesium Hydroxide solution [on hold]

solubility ph

modified yesterday MaxW 16k

0

votes

0

answers

12

views

Determing wheter a particle is stable with respect to strong and electromagnetic reactions [on hold]

physical-chemistry stability

asked 23 hours ago Voltron 104

0

votes

0

answers

15

views

Friedel Crafts Acylation: Reaction of acyl halide with catalyst

organic-chemistry

modified yesterday Lackofsleep 21

-1

votes

0

answers

16

views

Concentration Conversions

concentration units

asked yesterday Jim 2

3

votes

1

answer

95

views

How do I decide whether ring will expand in this reaction or not?

organic-chemistry reaction-mechanism reactivity

modified 3 hours ago Saurav Singh 144

-1

votes

0

answers

12

views

Butan-2-ol to Butanone using only H2SO4 as oxidising agent

alcohols organic-oxidation

asked yesterday user77287 4

-1

votes

0

answers

16

views

Can dioxins be absorbed through the skin? [on hold]

reaction-mechanism toxicity lipids

asked yesterday joaocandre 103

1

vote

1

answer

23

views

Solubility of Iodine in different solvents

solubility solvents

answered yesterday Poutnik 1,509

26

votes

2

answers

6k

views

When a candle burns, why does the top of wick glow if bottom of flame is hottest?

thermodynamics heat combustion light

modified Apr 18 at 15:25 David Richerby 336

1

vote

0

answers

35

views

Viscosity from terminal settling velocity of a sphere [migrated]

experimental-chemistry viscosity

modified yesterday katara 86

1

vote

2

answers

39

views

A sample must not contain more than 2% contaminants to be pure. Are there instances where 2.12% is ok?

significant-figures

modified yesterday MaxW 16k

0

votes

0

answers

19

views

How deep do plastic fumes penetrate fabrics, furniture and other house materials? [on hold]

temperature plastics reaction-control cleaning

modified yesterday joaocandre 103

-2

votes

0

answers

18

views

Order of acid-carbonate reactions [on hold]

acid-base kinetics reference-request

modified yesterday ringo 20.2k

0

votes

1

answer

44

views

Rate of hydrolysis of ester in presence of an acidic medium

organic-chemistry kinetics hydrolysis esters

modified yesterday Rodrigo de Azevedo 898

0

votes

1

answer

37

views

Does reduction/ oxidation take place separately at a half cell electrode?

electrochemistry redox

modified yesterday Lackofsleep 21

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