4. Locate the data and observations collected in your lab guide. What are the key you best summarize the data to relate your findings?

The density of a substance is 4.0 g/cm3. if a sample of the substance has a volume of 25 cm3 then what is the mass

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine