Química ENEM by Lopes Apps is a free Android app that offers an easy-to-use interface for high school students to learn chemistry. The app covers all the chemistry topics required for the ENEM exam and provides an amazing formula calculator tool. The app can be accessed anytime, anywhere, without requiring an internet connection.

The chemistry topics covered include Atomic Structure, Atomic and Molecular Interactions, Inorganic Functions, Stoichiometry, Solutions, Phase Diagrams, Thermochemistry, Electrochemistry, Chemical Equilibrium, Radioactivity, Organic Chemistry, and the Elements Table.

The app is designed to help students prepare for exams and entrance tests by providing comprehensive knowledge of all chemistry topics. The app is user-friendly and has a simple interface that makes it easy to navigate and learn. The formula calculator tool is a convenient feature that helps students calculate formulas with ease. Overall, Química ENEM is an excellent app for high school students to learn chemistry and prepare for exams.