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4 atoms

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Q: How many atoms of s and o were present in the reaction 2so2 plus o2--2so3?
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Is 2SO2 plus O2 equals 2SO3 a combustion reaction Why or why not?

Not a combustion reaction. Combustion reactions produce CO2 and H2O.


What will cause the formation of more products in the reaction 2SO2 plus O2 -- 2SO3?

adding SO2


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Br2 + 3NaHSO3 = 2NaBr + NaHSO4 + H2O + 2SO2


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2ZnS + 3O2 ---> 2ZnO + 2SO2 Zinc sulphide + Oxygen ---> Zinc oxide + Sulphur dioxide This reaction is endothermic and requires a heat change (H) in order to happen. As the Zinc sulphide reacts with the oxygen the zinc becomes oxidised (oxidation, zinc atoms bond to oxygen atoms), and during this reaction sulphur dioxide is given off.


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keq=[SO3]2[O2] [So3]2


What effect does raising the temperature of a chemical reaction?

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In the reaction 2SO2 plus O2 Reversible 2SO3 which change would cause the greatest increase in the concentration of SO3?

Increase the concentration of SO2


What is the chemical breakdown in a decomposition reaction?

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What is the skeleton equation for the reaction Lead two sulfide plus oxygen equals lead plus sulfur dioxide?

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What is the Decomposition of CuSo4?

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Which equation represents the reaction of sulfur with oxygen to form sulfur trioxide?

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Balance the equation fes2 o2 --- fe2o3 so2 and name the reaction?

Pyrite (fools gold) reacts with Oxygen to make Hematite (Fe2O3) and Sulpher dioxide (SO2) The reaction is oxidation of pyrite. 2FeS2 + 3.5O2 - - Fe2O3 + 2SO2