Chemistry deals with the properties of matter
Complete each statement below by writing the correct word or words in the space provided.
1. Two characteristic properties of a solid include a(n) _____________volume and a(n) _____________ shape.
2. Two characteristic properties of a liquid include a(n) _____________ volume and a(n) _____________ shape.
3. Two characteristic properties of a gas include a(n) _____________ volume and a(n) _____________ shape.
Consider the equation 2H2 (g) + O2 (g) + energy -->2H2O (g), and complete each statement below by choosing a term from the following list.
product endothermic activation energy
reactant exothermic
4. Hydrogen gas is a(n) ________________________.
5. Water is the ________________________.
6. The energy represented in the equation is called. ________________________.
7. Because this reaction absorbs energy, it is ________________________.
8. A reaction that releases energy is _____________________.
Consider the equation 2Mg + O2 ------> 2MgO + energy
9. Name the reactants in the process.
10.. Name the products in the process.
11. Is this process endothermic or exothermic? Explain.
12. Write out the reaction in words.