ATI TEAS Chemical Reactions Questions and Answers | Latest Version | 2024/2025 | Correct & Verified

ATI TEAS Chemical Reactions Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What happens in a combustion reaction? A substance reacts with oxygen, releasing energy in the form of heat and light. What is the role of a catalyst in a chemical reaction? A catalyst speeds up a reaction without being consumed in the process. What type of reaction occurs when two or more reactants combine to form a single product? A synthesis reaction. What happens in a decomposition reaction? A single compound breaks down into two or more simpler substances. What is the general formula for a single replacement reaction? A + BC → AC + B 2 What is a common example of an exothermic reaction? Combustion of gasoline. Why does an increase in temperature speed up a chemical reaction? It increases the kinetic energy of particles, leading to more frequent and energetic collisions. What happens in a neutralization reaction? An acid reacts with a base to form salt and water. What is the main product of a reaction between an acid and a metal? A salt and hydrogen gas. What type of reaction is the breakdown of water into hydrogen and oxygen gas? A decomposition reaction. What is the primary gas produced in a reaction between hydrochloric acid and zinc? Hydrogen gas. 3 What happens when baking soda and vinegar are mixed? A chemical reaction occurs, producing carbon dioxide gas. Why does a chemical reaction reach equilibrium? The forward and reverse reactions occur at the same rate. What is the effect of increasing the concentration of reactants in a chemical reaction? The reaction rate increases. What is the function of an enzyme in a biochemical reaction? It acts as a biological catalyst to speed up the reaction. What happens in an oxidation-reduction (redox) reaction? Electrons are transferred between substances. What is the product of a reaction between carbon dioxide and water? Carbonic acid.