In his laboratory, Fred Flintstone has performed a chemical reaction. Flintstone decomposed 45.6 grams of Hydrogen peroxide (H2O2)into Oxygen gas (O2)and liquid water (H2O). If 22.0 grams of liquid water are formed, how much oxygen gas has
escaped into the air? Why?
2 H2021 O2 + 2H20
I

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules