Question

iron oxide reacts with carbon monoxide to produce iron and carbon dioxide, with the balanced chemical equation fe₂o₃ + 3co → 2fe + 3co₂. what does this tell you about the relative amounts of iron oxide and iron consumed and produced in this equation?
a) for every gram of iron oxide consumed, two grams of iron are produced.
b) for every mole of iron oxide consumed, two moles of iron are produced.
c) for every two grams of iron oxide consumed, one gram of iron is produced.
d) for every two moles of iron oxide consumed, one mole of iron is produced.
question 13 (5 points)
which type of bonding would occur between multiple copper atoms?
a) metallic
b) covalent

Explanation:

In a balanced chemical equation, the coefficients represent the mole - to - mole ratios of reactants and products. For the equation \(Fe_2O_3+3CO
ightarrow2Fe + 3CO_2\), the coefficient of \(Fe_2O_3\) is \(1\) and the coefficient of \(Fe\) is \(2\). This means that for every \(1\) mole of \(Fe_2O_3\) consumed (reacted), \(2\) moles of \(Fe\) are produced. Grams cannot be directly compared in this way from the coefficients because the molar masses of \(Fe_2O_3\) and \(Fe\) are different.
For the bonding question, metallic bonding occurs between metal atoms. Copper (\(Cu\)) is a metal. In metallic bonding, metal cations are surrounded by a sea of delocalized electrons. Covalent bonding occurs between non - metals (sharing of electrons between non - metal atoms).

Answer:

B. For every mole of iron oxide consumed, two moles of iron are produced.
A. Metallic