Matter Quiz Review Sheet PDF

Name: ________________ Date:____________________ Matter Quiz Review Sheet Part 1: Definitions. Define the following terms Chemicals Chemical Reactions Matter Physical Change Chemical Change Volume Mass Weight Density Melting Vaporization Cond...

Name: ________________ Date:____________________ Matter Quiz Review Sheet Part 1: Definitions. Define the following terms Chemicals Chemical Reactions Matter Physical Change Chemical Change Volume Mass Weight Density Melting Vaporization Condensation Accuracy Precision Part 2: Questions 1. What are the four evidences of chemical change? 2. Determine if the following is a chemical or physical change. If it is a chemical change give at least one piece of evidence to support your answer. - A pot of water is put on a stove with high heat under it. - A piece of wood is lit on fire in a fireplace. - Gasoline reacts with oxygen inside of a car’s cylinder to produce energy. - A Gatorade was left in the freezer overnight and is now frozen solid. - Two clear chemicals are mixed together and create a yellow solid that sinks to the bottom of a test tube. - Room temperature vinegar is mixed with baking soda and it starts to bubble. 3. What mass of quartz (density = 2.65 g/cm3) is needed to have a volume of 25.5 cm3 ? 4. What is the density of 190.2 g of pine wood that has a volume of 25.7 cm3 ? 5. The density of iron (Fe) is 7.86 g/cm3. You are given an unknown metal that has a mass of 4.6 g. What would the volume of the sample be if it were iron? 6. Determine the volume of the liquid in the following pictures. ____________________ ____________________ ______________________ 7. If the accepted value for the first picture should have been 8.2mL, calculate the percent error. Use the percent error formula: