Term
| What change does color indicate? |
|
Definition
|
|
Term
| Substances that undergo a change in a chemical reaction. |
|
Definition
|
|
Term
| Are atoms rearranged or destroyed during a chemical reaction? |
|
Definition
|
|
Term
| During an exothermic reaction, where is the energy transferred from? |
|
Definition
| From reactants to the surroundings. |
|
|
Term
| In which type of reaction do at least 2 compounds form a new, more complex compound? |
|
Definition
|
|
Term
| Digestion would be an example of which type of reaction? |
|
Definition
|
|
Term
| What products form when water is broken down by electrolysis? |
|
Definition
|
|
Term
| What are used to balance an equation? |
|
Definition
|
|
Term
| Why is it necessary to balance chemical equations? |
|
Definition
|
|
Term
| If a chemical equation is balanced, the total mass of the products is always____ the total mass of the reactants. |
|
Definition
|
|
Term
| List 3 factors that would speed up a chemical reaction. |
|
Definition
| -Catalyst, higher pressure, and higher temperature. |
|
|
Term
| If an equation has the same number of atoms of each element on each side of the equation, the equation is considered to be_____. |
|
Definition
|
|
Term
| Which substances are written to the left of the arrow in a chemical equation? |
|
Definition
|
|
Term
| If heat is added to a chemical reaction, the reaction must be______. |
|
Definition
|
|
Term
| What type of reaction is shown in the following chemical equation: 2KCl + O2-KClO3? |
|
Definition
|
|
Term
| What type of reaction could be represented by:Compound= Element+ Element? |
|
Definition
|
|
Term
| What is a Single-Displacement reaction? |
|
Definition
| When one element replaces another element in a compound. |
|
|
Term
| What is a decomposition reaction? |
|
Definition
| When one substance breaks down into 2 or more substances. |
|
|
Term
| Which substances are written to the right of the arrow in a chemical equation? |
|
Definition
|
|
Term
| If heat energy is released in a chemical equation, the reaction must be______. |
|
Definition
|
|
Term
| Where are coefficients written in a chemical equation? |
|
Definition
|
|
Term
|
Definition
| An insoluble compound that comes out of a solution during rxn. |
|
|
Term
| What is a synthesis reaction? |
|
Definition
| When two or more substances combine to form one substance. |
|
|
Term
| If a chemical reaction begins with 4 carbon atoms in the reactants, how many carbon atoms would be produced in the products? |
|
Definition
|
|
Term
| When most chemical reactions take place, what must be broken in the reactants to have energy to form the products? |
|
Definition
|
|
Term
| Think back to the law of Conservation of Mass Lab. Baking soda and vinegar were placed into a ziploc baggie, and a gas was produced. How was mass conserved during this experiment? |
|
Definition
| Trap gas in baggie and mass products. |
|
|
