If you do not want to read about survival rates for small cell lung cancer, stop reading here and skip to the next section. The 5-year survival rate refers to the percentage of patients who live at least 5 years after their cancer is diagnosed.Of course, many of these people live longer than 5 years.To get 5-year survival rates, doctors look at people who were treated at least 5 years ago. Improvements in treatment since then may result in a more favorable outlook for people now being diagnosed with small cell lung cancer (SCLC).f course, many of these people live longer than 5 years. To get 5-year survival rates, doctors look at people who were treated at least 5 years ago. Improvements in treatment since then may result in a more favorable outlook for people now being diagnosed with small cell lung cancer (SCLC).
Answer: A chemical equation is a written representation of the process that occurs in a chemical reaction. A chemical equation is written with the reactants on the left side of an arrow and the products of the chemical reaction on the right side of the equation.
What You Will Learn â¢ Chemical formulas are a simple way to describe which elements are in a chemical substance. â¢ Chemical equations are a concise way to write how atoms are rearranged in a chemical reaction. â¢ A balanced chemical equation shows the law of conservation of mass.