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Info: CuNO might be an improperly capitalized: CUNO, CUNo, CuNO, CuNo
Compound CuNO is not valid: error - unknown sequence <sub
Info: might be an improperly capitalized:
Compound is not valid: error - unknown sequence </sub
Error: Some elements or groups in the reagents are not present in the products: Fe
Instructions and examples below may help to solve this problem
You can always ask for help in the forum
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Instructions on balancing chemical equations:- Enter an equation of a chemical reaction and click 'Balance'. The answer will appear below
- Always use the upper case for the first character in the element name and the lower case for the second character. Examples: Fe, Au, Co, Br, C, O, N, F. Compare: Co - cobalt and CO - carbon monoxide
- To enter an electron into a chemical equation use {-} or e
- To enter an ion, specify charge after the compound in curly brackets: {+3} or {3+} or {3}.
Example: Fe{3+} + I{-} = Fe{2+} + I2 - Substitute immutable groups in chemical compounds to avoid ambiguity.
For instance equation C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced,
but PhC2H5 + O2 = PhOH + CO2 + H2O will - Compound states [like (s) (aq) or (g)] are not required.
- If you do not know what products are, enter reagents only and click 'Balance'. In many cases a complete equation will be suggested.
- Reaction stoichiometry could be computed for a balanced equation. Enter either the number of moles or weight for one of the compounds to compute the rest.
- Limiting reagent can be computed for a balanced equation by entering the number of moles or weight for all reagents. The limiting reagent row will be highlighted in pink.
Examples of complete chemical equations to balance:
Examples of the chemical equations reagents (a complete equation will be suggested):
Related chemical tools:
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