Chemistry Cumulative Exam Study 100% Correct!

Matter includes all of the following EXCEPT - ANSWERlight The study of essentially all substances containing carbon is - ANSWERorganic chemistry the melting of candle wax is classified as a physical change because it - ANSWERproduces no new substances Chemic properties - ANSWERinclude changes that alter the identity of a substance the state of matter in which a material has neither a definite shape nor a definite volume - ANSWERgaseous state The reaction of hydrogen with oxygen to form water is an exothermic reaction BECAUSE - ANSWERheat is released during the reaction The symbols for unties of length in order from smallest to largest are - ANSWERmm, cm, m, km results given in descriptive, nonumeric form are said to be - ANSWERqualitative if some measurements agree closely with each other but differ widely from the actual value, these measurements are - ANSWERprecise, but not accurate