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Join the expert discussion on chemistry. Chemistry is the study of the nature, properties, and composition of matter. Biochemistry, Organic, Inorganic, Analytical are topics that may be discussed.
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Title
Potassium sodium tartrate preparation and comparison with recipes
Mar 22, 2021
Replies
1
Views
2K
How do I know which enthelpy change to calculate?
Mar 14, 2021
Replies
2
Views
1K
I do not understand oxidizers and what they do
Mar 13, 2021
Replies
15
Views
3K
Question about chlorine + water
Mar 9, 2021
Replies
4
Views
1K
1420 MHz--- the emission frequency of cold hydrogen gas
Mar 6, 2021
Replies
30
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7K
When Should I Apply ΔH After Calculating Q in Thermodynamics?
Mar 6, 2021
Replies
2
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1K
Removing green copper oxides with Electrolysis, chemicals, etc.
Mar 6, 2021
2
Replies
57
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11K
Sodium Hydroxide + Iron Oxide: Green Tint Explained?
Mar 6, 2021
Replies
15
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4K
Is the O2 bond hybridized or not? "Experts" give conflicting answers....
Mar 1, 2021
Replies
8
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2K
Electrolysis of Water -- Rate of Reaction?
Feb 28, 2021
Replies
8
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3K
Does an RFID wallet contain any chemical addictives?
Feb 24, 2021
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2
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1K
Buffer solution working with DNA -- I have to dissolve dried oligos in PBS
Feb 23, 2021
Replies
1
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2K
Production of oxygen in a submarine
Feb 22, 2021
Replies
3
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3K
Energy differences of molecular orbitals
Feb 21, 2021
Replies
4
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1K
Why does roofing occur despite the difference in chemical shift?
Feb 21, 2021
Replies
1
Views
1K
How Do You Determine The Number Of Moles In A Volume Of Gas?
Feb 18, 2021
Replies
19
Views
2K
Finding the g-value in the Boltzmann distribution
Feb 16, 2021
Replies
7
Views
2K
A few questions about electrodeposition of Cu with H202 and CH₃COOH
Feb 12, 2021
Replies
2
Views
1K
Molarity is represented by M and its unit is also M?
Feb 11, 2021
Replies
23
Views
4K
Scientific analysis -- How many seconds does it take for the paper to burn?
Feb 10, 2021
Replies
3
Views
2K
What Chemistry Equation is this? (from Dr Stone Anime)
Feb 9, 2021
Replies
5
Views
2K
What category of compound is this?
Feb 9, 2021
Replies
16
Views
2K
How does temperature affect solutions?
Feb 8, 2021
Replies
6
Views
2K
Nomenclature questions -- Naming structures when given compounds
Feb 7, 2021
Replies
2
Views
1K
How does the Enthelpy change tell us about the stability of the product?
Feb 6, 2021
Replies
3
Views
3K
Concentration of electrolyte for the electrolysis of water?
Feb 5, 2021
Replies
7
Views
3K
Mystery of Fizzing Gas Duster - Videos Included
Feb 4, 2021
Replies
7
Views
4K
Invisible Ink that you can see through an IR lens
Feb 4, 2021
Replies
13
Views
5K
Naming the pentane with phenyl group (or benzene with aryl group)
Feb 3, 2021
Replies
1
Views
2K
Why Do Penny Stacks Bond Together?
Jan 26, 2021
Replies
7
Views
1K
Applying desiccant to surfaces (aluminum sheet or PLA/PETG)
Jan 25, 2021
Replies
9
Views
3K
Why does nitrogen sp3 hybridize?
Jan 23, 2021
Replies
18
Views
4K
Can we write mass in coefficients of elements in a chemical equation
Jan 19, 2021
Replies
4
Views
2K
Significant Figures of 225.0 & Molar Volume at STP
Jan 11, 2021
Replies
3
Views
3K
Is percent yield based on grams or moles?
Jan 10, 2021
Replies
1
Views
1K
Radioactivity and the Periodic Table
Jan 9, 2021
Replies
24
Views
3K
Interpreting Energy diagrams for polyatomic molecules
Jan 8, 2021
Replies
6
Views
3K
What is the difference between internal energy and enthalpy?
Jan 7, 2021
Replies
12
Views
3K
Question about plastic bags and humidity
Dec 31, 2020
Replies
10
Views
3K
Chymotrypsin and trypsin specificity investigation - help please
Dec 31, 2020
Replies
5
Views
2K
AI meets Chemistry in solving electronic Schrödinger equation
Dec 30, 2020
Replies
0
Views
2K
List of H20 breakdown substances
Dec 30, 2020
2
Replies
57
Views
6K
Boiling Tap Water for Drinking: Benefits & Risks
Dec 29, 2020
Replies
4
Views
4K
In what class does one typically learn that atoms emit EM radiation?
Dec 14, 2020
Replies
21
Views
2K
Is Steric Inhibition of Resonance Affecting Acetate Ion Stability?
Dec 14, 2020
Replies
5
Views
2K
Questions about muriatic acid and hypochlorite sodium
Dec 12, 2020
Replies
9
Views
4K
Does Polyester resin + catalyst react with uncured polyurethane foam?
Dec 10, 2020
Replies
1
Views
1K
Help with PVP-I & DMSO solution
Dec 5, 2020
Replies
2
Views
4K
The concentration of a solution is 4%
Dec 4, 2020
Replies
6
Views
1K
What is the structure of FOOOF and FOOOOF?
Dec 3, 2020
Replies
11
Views
2K
Why do sodium ions not continuously build up in swimming pools?
Dec 1, 2020
Replies
4
Views
2K
How is Gibbs Free Energy Calculated?
Nov 28, 2020
Replies
3
Views
150K
Is empenthrin much safer than 1-4 dicholorobenzene? (used in mothballs)
Nov 28, 2020
Replies
5
Views
2K
Does white vinegar really neutralize airborne odors and not just mask them?
Nov 25, 2020
Replies
2
Views
8K
Explanation of the spectrochemical series of transition metal ions
Nov 13, 2020
Replies
6
Views
6K
Question: How to remove capric acid (caprate) from estrenes?
Nov 13, 2020
Replies
5
Views
1K
Diffusion Coefficient still doesn't make sense in air at STP
Nov 11, 2020
Replies
3
Views
2K
Is Dragos rule evidence of hybridization theory's failure?
Nov 6, 2020
Replies
9
Views
3K
Explaining Differences in Terbium & Uranium Electron Configs
Nov 4, 2020
Replies
3
Views
3K
How do we account for multiple sources of uncertainty in a measurement?
Nov 3, 2020
Replies
4
Views
2K
Nucleophilicity of Halogens in aprotic solvent
Nov 1, 2020
Replies
7
Views
4K
How do you calculate the Kuhn length of a polymer?
Nov 1, 2020
Replies
5
Views
4K
Can You Describe the Smell of Ammonia to Me?
Oct 31, 2020
Replies
33
Views
16K
Safe to Empty a "Pee Bottle" After 13 Days?
Oct 31, 2020
Replies
11
Views
8K
How to identify stainless steel?
Oct 27, 2020
Replies
5
Views
2K
Derivation of the orbital analysis equation and its physical significance
Oct 25, 2020
Replies
7
Views
1K
Converting Units to Find Density of Unit Cell
Oct 25, 2020
Replies
1
Views
2K
L type activated carbon -- is it hazardous?
Oct 23, 2020
Replies
1
Views
1K
Is Supercooled Silicon Similar to the Anomalous Behavior of Water?
Oct 23, 2020
Replies
11
Views
1K
The NMR Selection Rules: Understanding Allowed Spin State Transitions
Oct 21, 2020
Replies
2
Views
2K
How to turn a weak acid into a strong acid
Oct 21, 2020
Replies
35
Views
7K
Solidification of CaCO3 and CaHPO4
Oct 21, 2020
Replies
2
Views
3K
Different metals in contact with each other
Oct 20, 2020
Replies
2
Views
2K
Do chemists use X-NMR where the spin of X is greater than a half?
Oct 19, 2020
Replies
8
Views
1K
Solubility of weak acid salts of aluminum and silver
Oct 16, 2020
Replies
1
Views
2K
Isoelectric Point: Definition & Calculation
Oct 11, 2020
Replies
5
Views
3K
Comparing MO Labelling Schemes: LHS vs. RHS
Oct 9, 2020
Replies
2
Views
1K
Who Won the 2020 Nobel Prize in Chemistry?
Oct 8, 2020
Replies
6
Views
2K
Calculate the bond-dissociation energies and entropy of a molecule
Oct 7, 2020
Replies
1
Views
3K
Looking for a Comprehensive Guide on Green Chemistry? Any Book Recommendations?
Oct 6, 2020
Replies
5
Views
2K
Why Does Ionization Energy Increase Differently Between Orbital Types?
Oct 3, 2020
Replies
9
Views
2K
Solvation of Ionic compound in water
Oct 2, 2020
Replies
8
Views
2K
Reason for Ferroin's color shift
Oct 1, 2020
Replies
1
Views
6K
How Can an 8th-Grader in Pakistan Set Up a Home Chemistry Lab?
Sep 30, 2020
Replies
26
Views
3K
Gram atomic mass -- what exactly is it?
Sep 26, 2020
Replies
6
Views
2K
Is the Avogadro hypothesis ambiguous?
Sep 26, 2020
Replies
1
Views
1K
Why does the pressure-volume-constant of Helium increase?
Sep 25, 2020
Replies
3
Views
2K
Does the Value of K Depend on Initial Reactant and Product Amounts?
Sep 24, 2020
Replies
3
Views
2K
What materials are the most resistant to chemicals?
Sep 24, 2020
Replies
2
Views
1K
Are fumes from burned rubber bands toxic?
Sep 24, 2020
Replies
7
Views
7K
Mothballs (to rid cockroaches) are safe to use in a home, right?
Sep 22, 2020
Replies
3
Views
4K
Hydrography: Chemical Liquid A Explained
Sep 19, 2020
Replies
3
Views
1K
Meaning of small triangle in chemical potential
Sep 16, 2020
Replies
6
Views
3K
What is salt that has a green colour?
Sep 14, 2020
Replies
10
Views
5K
Descaling Powders: Compounds & Dilution
Sep 14, 2020
Replies
2
Views
2K
Activity - Equilibrium Expressions
Sep 9, 2020
Replies
2
Views
2K
Why are the Two SSA Equations the Same in a Catalytic Cycle?
Sep 9, 2020
Replies
7
Views
2K
Change in Free Energy when Heating a Substance
Sep 7, 2020
Replies
9
Views
3K
What is the Longest Molecule Ever Discovered?
Sep 7, 2020
Replies
13
Views
4K
Why wasn't fluorine used as a standard for atomic mass?
Sep 5, 2020
Replies
6
Views
3K
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