Students in mr. klein’s chemistry class are conducting an experiment to calculate the specific heat of a copper sample. mr. klein requires each lab team to repeat the experiment until their percent error is 2% or less. percent error is calculated using observed values (those students calculate from their lab results) and the true value (the accepted value based on reference). the formula for percent error is: (observed – true) x 100 true if the accepted value for the specific heat of copper is 0.385 j/g°c, which of the following lab teams have an unresolved problem on their hands? a. team 1: calculates 0.390 j/gºc b. team 2: calculates 0.395 j/gºc c. both teams d. neither team

Match the following. biodegradable diabetes n hazardous w cancer ozone 1. the layer of the atmosphere that the ozone layer is part of the type of wastes that can be broken down by other organisms into a reusable form the type of solid, liquid, or gas wastes that are toxic, flammable, corrosive, reactive, or radioactive the process by which certain waste materials, such as plastic, glass, aluminum, and paper are prepared for reuse 5. the addictive drug found in tobacco a disease frequently developed by smokers and passive smokers a disease of the pancreas in which insulin is not produced in 7. the correct amounts so that glucose can be converted into energy or stored as fat formed in the atmosphere when chemicals, called volatile 8. organic compounds (vocs), and nitrogen dioxide (no2) are acted upon by sunlight when burned, it can cause an increase of co2, ozone, and sulfur dioxide in the atmosphere stratosphere fossil fuel recycle nicotine