Across
- 2. allows energy exchange (like heat) but not matter (like reactants or products) between the system and its surroundings
- 4. substances or species formed from a chemical reaction
- 6. a chemical process that absorbs heat from its surroundings
- 7. allows the exchange of both matter and energy with its surroundings
- 11. a reaction in which energy is released in the form of light or heat
- 12. one reactant breaks down into two or more products.
- 13. a substance that takes part in and undergoes change during a reaction.
- 14. A form of water, such as rain, snow, or sleet, that condenses from the atmosphere, becomes too heavy to remain suspended, and falls to the Earth's surface
- 15. total amount of electric charge in a system does not change with time
Down
- 1. an organic compound consisting of hydrogen and carbon found in crude oil, natural gas, and coal
- 3. a reaction in which the positive and negative ions of two ionic compounds exchange places
- 5. a whole number placed in front of a chemical formula
- 8. occurs when a fuel reacts with sufficient oxygen, resulting in the production of carbon dioxide and water as the primary products.
- 9. a basic, unbalanced representation of a chemical reaction that only shows the formulas of the reactants and products without indicating their relative amounts or states
- 10. the reaction of an acid and a base, which forms water and a salt