This document discusses three case studies related to ethics and essays. It explores the ACS Code of Professional Conduct and Ethical Theory. The case studies analyze the actions, ethical issues, and the impact on the individuals and organizations involved. It also applies ethical theories such as utilitarianism, deontology, virtue, and contract to the case studies. The document provides insights into the values of honesty, competence, professionalism, and more. It is relevant for students studying ethics and related subjects.