Chemistry Forum

Post thread
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.
Calculating the visible emission spectrum for hydrogen
  • · Replies 2 ·
Replies
2
Views
3K
Why Does the Value of the Universal Gas Constant Change?
  • · Replies 2 ·
Replies
2
Views
2K
Converting the molarities into moles but I'm having trouble with the reaction
  • · Replies 2 ·
Replies
2
Views
3K
Splashed Potassium Dichromate Solution
  • · Replies 2 ·
Replies
2
Views
2K
SN1 reactions do not make sense to me
  • · Replies 1 ·
Replies
1
Views
2K
Proper chemical to dissolve adhesive tape
  • · Replies 9 ·
Replies
9
Views
21K
Is Charge Essential for Colloids? A Review of Zeta Potential
  • · Replies 1 ·
Replies
1
Views
2K
Dissociation degree of polyprotic acids
  • · Replies 2 ·
Replies
2
Views
3K
Where Can I Find Exchange Current Densities for Chromium?
  • · Replies 2 ·
Replies
2
Views
3K
Why is Area under Desorption Curve (TPD) the total particles desorbed?
  • · Replies 1 ·
Replies
1
Views
3K
(at the most fundamental level) why does energy release upon chemical reactions?
  • · Replies 5 ·
Replies
5
Views
8K
Simple reactions for non-chemist?
  • · Replies 6 ·
Replies
6
Views
3K
Ring Expansion of 1,3-Methylcyclopentene with H-Br
  • · Replies 12 ·
Replies
12
Views
7K
Definition of the Gibbs free energy
  • · Replies 1 ·
Replies
1
Views
3K
What is the dipole moment of 1,3,5-trichloro benzene based on the given data?
  • · Replies 1 ·
Replies
1
Views
3K
Sulfuric Acid - Ionic, Polar Molecular or Non Polar Molecular
  • · Replies 2 ·
Replies
2
Views
16K
Confused about gibbs free energy
  • · Replies 3 ·
Replies
3
Views
3K
How to determine enthelpy of formation
  • · Replies 4 ·
Replies
4
Views
3K
Standard conditions vs. Standard state
  • · Replies 1 ·
Replies
1
Views
13K
Comparing Oxidising Power: MnO4 - versus MnO2 and ClO4- versus ClO-
  • · Replies 4 ·
Replies
4
Views
5K
Calculating Solutions w/w: Beginner Question
  • · Replies 6 ·
Replies
6
Views
5K
Tetrahedral and square planar crystal fields?
  • · Replies 2 ·
Replies
2
Views
4K
Cylohexanol stability of conformations
  • · Replies 1 ·
Replies
1
Views
2K
Relationship of TQM, QA, QS and QC
  • · Replies 3 ·
Replies
3
Views
6K
What is wrong with my Antimony Trichloride ?
  • · Replies 1 ·
Replies
1
Views
3K
The Titration Paradox: How Can pH = 7 at Two Different Volumes of Titrant?
  • · Replies 4 ·
Replies
4
Views
4K
Electrostatic induction in Solutions?
  • · Replies 3 ·
Replies
3
Views
3K
Can Metals React with Water in Addition to Acids?
  • · Replies 10 ·
Replies
10
Views
4K
What happens when you mix C9H8O4(s) + HCl(l)?
  • · Replies 2 ·
Replies
2
Views
7K
Is Hydrochloric Acid Ever Basic When Diluted Infinitely?
  • · Replies 4 ·
Replies
4
Views
4K
Does Le chatlier's law apply if reactants are liquids and a product is solid?
  • · Replies 6 ·
Replies
6
Views
3K
Why, at lower altitudes, does the atm change more rapidly?
  • · Replies 11 ·
Replies
11
Views
5K
Galvanization and more reactive block
  • · Replies 5 ·
Replies
5
Views
3K
What is the significance of pH in a basic solution?
  • · Replies 4 ·
Replies
4
Views
3K
Freezing point depression constant value clarification.
  • · Replies 1 ·
Replies
1
Views
12K
Density vs Mass: Does Lower Density Mean Lighter?
  • · Replies 3 ·
Replies
3
Views
4K
Relationship between valence electrons and electron configuration
  • · Replies 1 ·
Replies
1
Views
8K
The taste of hot water vs. cold water
  • · Replies 4 ·
Replies
4
Views
13K
Identify Unknown Household Items
  • · Replies 1 ·
Replies
1
Views
4K
Reactions of Halogens with Metals
  • · Replies 2 ·
Replies
2
Views
13K
Whether sum of weight of proton and neutron is equal to atomic mass?
  • · Replies 1 ·
Replies
1
Views
6K
Cis-trans Selectivity in Wittig Reactions
  • · Replies 2 ·
Replies
2
Views
8K
What can I use to make clear dish soap thicker?
  • · Replies 5 ·
Replies
5
Views
15K
Heat-driven chemical reaction and thermodynamics
  • · Replies 3 ·
Replies
3
Views
3K
Can I use Le Châtelier's Principle to prove Henry's Law?
  • · Replies 19 ·
Replies
19
Views
7K
Practicality of Bio-Degradable Pots
  • · Replies 2 ·
Replies
2
Views
3K
Phenol to Benzene: The Role of Zinc and Divalent Metals in Conversion
  • · Replies 1 ·
Replies
1
Views
7K
Sacrificial metals and displacement of metals
  • · Replies 1 ·
Replies
1
Views
5K
Purging Carcinogens from used Cig Filters
  • · Replies 7 ·
Replies
7
Views
3K
How would I find the half-reactions?
  • · Replies 5 ·
Replies
5
Views
3K
Understanding Salt Crystal Lattice: Factors Influencing Crystal System Selection
  • · Replies 4 ·
Replies
4
Views
3K
Electrolysis (Chemistry) with electrochemical cell
  • · Replies 2 ·
Replies
2
Views
3K
Claisen Rearrangement for this molecule
  • · Replies 1 ·
Replies
1
Views
2K
Ions & Electron Transfer: How Does it Work?
  • · Replies 1 ·
Replies
1
Views
3K
What are the Bond Angles in Cyclopropane?
  • · Replies 3 ·
Replies
3
Views
10K
What is the point of ultrafast laser spectroscopy?
  • · Replies 1 ·
Replies
1
Views
2K
Cold Asphalt: Permanent Pothole Repair in a Single Step
  • · Replies 3 ·
Replies
3
Views
2K
Find Electron Affinities Higher than 1 for I, C & H
  • · Replies 4 ·
Replies
4
Views
3K
Molality and the von Hoff factor.
  • · Replies 3 ·
Replies
3
Views
10K
Electrolysis when multiple ions present
  • · Replies 2 ·
Replies
2
Views
2K
Gibbs free energy change at constant pressure is zero?
  • · Replies 5 ·
Replies
5
Views
6K
What is the role of catalyst in various reactions?
  • · Replies 7 ·
Replies
7
Views
3K
Ion naming confusion with the bi prefix
  • · Replies 1 ·
Replies
1
Views
3K
Ionic or covalent in tetrahydroxoaluminate ion?
  • · Replies 1 ·
Replies
1
Views
4K
Chemistry Major, want to go into Physics now
  • · Replies 1 ·
Replies
1
Views
3K
Understanding the Bond Length Differences in sp3d and sp3d2 Hybridization
  • · Replies 9 ·
Replies
9
Views
11K
Descriptive kinetics notes needed
  • · Replies 1 ·
Replies
1
Views
2K
Question about copper(II) phthalocyanine structure
  • · Replies 1 ·
Replies
1
Views
4K
Bending distilled water with static electricity
  • · Replies 26 ·
Replies
26
Views
24K
Why are there anomalies in the properties of water?
  • · Replies 2 ·
Replies
2
Views
3K
Orbital Hybridization - Real or Approximation
  • · Replies 6 ·
Replies
6
Views
7K
What causes absence of mesomeric interaction in benzoic acids?
  • · Replies 2 ·
Replies
2
Views
3K
Effect of Temperature on Chemical Equilibrium
  • · Replies 3 ·
Replies
3
Views
3K
Thermal stability vs melting point
  • · Replies 3 ·
Replies
3
Views
19K
C7-10-ISO Alkane: CAS No. 90622-56-3
  • · Replies 3 ·
Replies
3
Views
3K
Identify unkmown compound lab HELP
  • · Replies 2 ·
Replies
2
Views
3K
Electrochemists brain teaser-copper electrolysis
  • · Replies 1 ·
Replies
1
Views
3K
Ion-dipole effects vs. atomic radius
  • · Replies 5 ·
Replies
5
Views
4K
Does bond polarity affect bond strength and length in covalent compounds?
  • · Replies 6 ·
Replies
6
Views
38K
How does a person die immediately after taking cyanide?
  • · Replies 4 ·
Replies
4
Views
4K
How to determine zinc in a plant.
  • · Replies 9 ·
Replies
9
Views
3K
Why Zinc is a Metal: Explaining Low Melting Point
  • · Replies 1 ·
Replies
1
Views
5K
How to tell if ionic compound has a higher melting point?
  • · Replies 2 ·
Replies
2
Views
8K
Reference Electrode: Choosing & Principal Mechanism
  • · Replies 2 ·
Replies
2
Views
2K
Safe nitrogen compound to decompose a 500 deg C in a furnace?
  • · Replies 1 ·
Replies
1
Views
3K
Boiling Point before Melting Point?
  • · Replies 13 ·
Replies
13
Views
21K
[ask]electron inside drinking water
  • · Replies 1 ·
Replies
1
Views
3K
How to avoid formation of Lithium Chromate ?
  • · Replies 4 ·
Replies
4
Views
3K
Caculating the enthelpy change of reaction from delta T values(experimentally)
  • · Replies 10 ·
Replies
10
Views
12K
Looking for a safe endothermic chemical reaction
  • · Replies 5 ·
Replies
5
Views
7K
Boiling and melting point of impure substances
  • · Replies 2 ·
Replies
2
Views
44K
How to choose a reduced or oxidated form in a redox
  • · Replies 2 ·
Replies
2
Views
3K
Numbers if molecules for differnt velocities in gas
  • · Replies 2 ·
Replies
2
Views
2K
Does the equilibrium constant have units?
  • · Replies 8 ·
Replies
8
Views
26K
Do Dissolved Bases Form Ion Pairs in Water?
  • · Replies 6 ·
Replies
6
Views
3K
Why do atomic radii increase as you move down a column in the periodic table?
  • · Replies 6 ·
Replies
6
Views
3K
Is the Hybridisation of Manganese in MnO4- Really sp3?
  • · Replies 4 ·
Replies
4
Views
31K
How do you find the number of hydrogen bonds between molecules?
  • · Replies 3 ·
Replies
3
Views
14K
Why do modern periodic tables show eighteen groups instead of eight?
  • · Replies 2 ·
Replies
2
Views
4K
Does Boric Acid Expire ? or become B2O3 after 5-10 years on its own?
  • · Replies 3 ·
Replies
3
Views
43K