A double-quantity reaction is a type of chemical reaction where the reactants contain two different elements or molecules that react with each other to form two different products. In this case, the reactions are CuO+CO and C+CO2.
The products of a double-quantity reaction can be determined by balancing the chemical equation and using the law of conservation of mass. In this case, the products for CuO+CO are Cu and CO2, and the products for C+CO2 are 2CO.
CuO is the reactant in this reaction and it is the source of copper (Cu) in the products. It is also known as a catalyst, meaning it helps to speed up the reaction without being consumed in the process.
A reaction is considered a double-quantity reaction if it involves two different reactants that produce two different products. It is also known as a double displacement reaction or a metathesis reaction.
The reaction CuO+CO is commonly used in the industrial production of copper metal. The reaction C+CO2 is important in the production of carbon monoxide, which is used in the production of fuels and chemicals. It is also used in the production of iron and steel.