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
The following steps can be used as a guide as you read through the examples for using the substitution method. Steps for Using the Substitution Method in order to Solve Systems of Equations. 1  Solve 1 equation for 1 variable. ( 2 Put in y = or x = form). 3  Substitute this expression into the other equation and solve for the missing variable. 4  Substitute your answer into the first equation and solve.