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Questions tagged [chemical-formula]

For questions related to molecular formula, empirical formula, formula unit, representing the chemical proportions of atoms that constitute a particular chemical compound, molecule, ion, complex, crystal, etc. using chemical element symbols, numbers, and other symbols. NOT related to 'notation', 'composition', 'structure' or 'nomenclature'.

-3 votes
1 answer
68 views

I am having trouble with this question on net ionic equation [closed]

Convert into molecular equation: The reaction between potassium dichromate, ferrous sulphate and sulphuric acid:- Cr2O7^2- + 14H^+ + 6Fe^2+ ---> 6Fe^3+ + 2 Cr^3+...
Aditya_math's user avatar
1 vote
0 answers
445 views

The equation representing the dissolution of cycasin [closed]

Is the following equation correct? $$\ce{{C_8H_{16}N_2O_7}_{(s)} + H2O_{(l)} <=> {C_8H_{16}N_2O_7}_{(aq)}}$$
Kyro's user avatar
  • 78
1 vote
0 answers
42 views

What is the materials science behind thermal diffusion in multispectral camouflage?

I've been interested in infrared and near-infrared camouflage (called multispectral camouflage) for a couple of days now, and I've found a video or two of certain companies that have created fabrics ...
August H's user avatar
-1 votes
3 answers
4k views

What's the effect of Pressure change in Chemical Equilibrium if any reactant or product is Solid or Liquid?

I am studying La-Chatelier's Principle of Chemical Equilibrium. I got a problem of Pressure change in Chemical Equilibrium. I know that Pressure change If a reversible reaction is in equilibrium ...
Sindid's user avatar
  • 1
2 votes
1 answer
561 views

Empirical and molecular formula

I was doing a homework assignment and I got the question wrong because I was supposed to multiply the empirical formula of $\ce{C6H10S2O}$ by 3 to get the molecular formula. I put $\ce{(C6H10S2O3)3}...
Ron's user avatar
  • 31
3 votes
1 answer
1k views

Chemical formula of a compound crystallized in a cubic lattice

Question In a cubic lattice of $\ce{XYZ},$ $\ce{X}$ atoms are present at all corners except one corner which is occupied by $\ce{Y}$ atoms. $\ce{Z}$ atoms are present at face centres. What is the ...
Always Learning Forever's user avatar
3 votes
1 answer
5k views

Ratio of copper(II) ions to EDTA?

What is the ratio of copper(II) ions to EDTA in a $\ce{[Cu(EDTA)]^{2-}}$ complex? I know that EDTA forms up to 6 coordinate bonds with the central atom, but is that what they are asking for with "...
DK2AX's user avatar
  • 424
3 votes
1 answer
349 views

Can two positive ions be next to each other in a formula?

Let's say I want to find the oxidation numbers of the atoms in a chemical formula. For example: In $\ce{H3AsO3}$, Oxygen has a $-2$ charge. They're $3$ of them, so its $-6$ Hydrogen has a $+1$ ...
Mark's user avatar
  • 312

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