One of the most widespread environmental carcinogens (cancer causing agents) is benzo[a]pyrene (molar mass of 252.30 g/mol). It is found in coal dust, cigarette smoke, and even charcoal-grilled meats. Analysis of this hydrocarbon shows that it is 95.21 % C and 4.79 % H. What is the molecular formula of benzo[a]pyrene?

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.