Food Allergy to Tartrazine. Tartrazine is the food additive known as FD&C Yellow No. 5. Despite safety testing for this additive, some people have experienced a food allergy to tartrazine. Itching and hives are the symptoms most commonly seen in people who are senstive to this additive.
What is the first step in balancing a chemical equation? Rules of balancing chemical equations: 1. write the unbalanced equation 2. count the number of atoms of the same element on reactant and product side of equation 3. make the â¦ number of atoms the same by changing the coefficients, not subscripts 4. balance hydrogen and oxygen last 5. reduce coefficients if possible
Balanced Equation Definition. A balanced equation is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge are the same for both the reactants and the products. In other words, the mass and the charge are balanced on both sides of the reaction.