Reactions and Changes Chemical Reactions: Types of reactions and the laws that govern them by Anthony Carpi, Ph.D., Adrian Dingle, B.Sc. Reading Quiz Teach with this 1. A chemical reaction is the process of converting _____ to _____. atoms; molecules reactants; products an acid; a base matter; energy 2. Antoine Lavoisier broke with the alchemists in declaring that _____ is neither created or destroyed in chemical reactions. proportions synthesis mass energy 3. In water, the mass of oxygen is 8 times that of hydrogen, no matter how the water was created. This is known as the Law of _____. Mass Conservation Definite Proportions Multiple Proportions Proust 4. Carbon and oxygen can form CO and CO2 in the following ways: 1.33g of O combines with 1g of C (a ratio of 1.33:1) to form CO and 2.66g of O combines with 1g of C (a ratio of 2.66:1) to form CO2. What is this an example of? Dalton’s Law Law of Mass Conservation Law of Definite Proportions Law of Multiple Proportions 5. An acid can be defined as a hydrogen ion acceptor. false true 6. For a process to be defined as a chemical reaction, _____ must be produced. a new substance the same substance light more mass 7. Which equation indicates a synthesis reaction? 2HgO (solid) -> 2Hg (liquid) + O2 (gas) CH4 (gas) + 2O2 (gas) -> CO2 (gas) + 2H2O (liquid) Zn + Cu2+ -> Zn2+ + Cu 4H2 (gas) + 2O2 (gas) -> 4H2O 8. Which of the following are required for combustion to take place? Only oxygen Only energy Only fuel All of the above 9. The Daniell battery used a simple chemical reaction using zinc and copper sulfate: Zn (solid) + CuSO4 (aqueous) -> ZnSO4 (aqueous) + Cu (solid). What type of chemical reaction is this? Synthesis reaction Decomposition reaction Single replacement reaction Acid-base reaction 10. Oxidation and reduction reactions must occur together. true false Score Quiz
