chemicalnotation - standard way of writing chemical formula.
coefficient - a numerical number attached in front of the chemical formula.
subscript - number written in the lower right side of the chemical formula.
parentheses - used to form subgroups of atoms within molecules.
Law of Conservation of Mass - states that nomatter can be created or destroyed.
What are the coefficients needed to balance the chemical equation below?
2, 3, 3, 1
Law of conservation of mass - State that the total mass of the reactant must be equal to the total mass in the product.
Which of the following set of coefficients would balance the given equation? Al + Fe(NO3)2 → Al(NO3)3 + Fe.
2,3, 2, 3
In the chemical formula Mg(NO3)2, the numerical coefficient is equal to:
1
In a chemical reaction, what is the relationship between the total mass of the reactants and the total mass of the products?
They must be equal.
In balancing a chemical equation, which of the following are you allowed to do?
write coefficients
The reaction between sodium atom and chlorine gas forming table salt can be expressed in this equation, Na(s) + Cl2(g) → NaCI(s). To balance the equation, what are the coefficients needed in the given order for sodium, chlorine and table salt?
2, 1, 2
To balance the equation NO2 → N2 + 02, what are the coefficients needed in the given order for nitrogen and oxygen?
2,1,2
What type of reaction is represented by the following chemical equation? Pb(s) + FeSO4(aq) → PbSO4(s) + Fe(s)
Singlereplacement
What general equation represents a decomposition reaction?