p is the increase in pressure, V is the reduction in volume and V is the original volume. DENSITY Density relates the mass and volume such that = m/V kg/ m3 PRESSURE Pressure is the result of compacting the molecules of a fluid into a smaller space than it would otherwise occupy. Pressure is the force per unit area acting on a surface.
Here are a few of the chemicals in tobacco smoke and other places they are found: 1  Acetone â found in nail polish remover. 2  Acetic Acid â an ingredient in hair dye. 3  Ammonia â a common household cleaner. 4  Arsenic â used in rat poison. 5  Benzene â found in rubber cement. 6  Butane â used in lighter fluid.
Dec. 14, 2007 -- New research from Canada shows that some toxins may be more abundant in marijuana cigarettes than tobacco cigarettes. The researchers burned 30 marijuana cigarettes and 30 tobacco cigarettes on a machine in their lab, measuring levels of chemicals in the smoke. Ammonia levels were up to 20 times higher in marijuana smoke than in tobacco smoke. Levels of hydrogen cyanide and nitrogen-related chemicals were three to five times higher in marijuana smoke than in tobacco smoke. The nitrogen-based fertilizer used on the marijuana plants -- which all came from the same batch of Canadian pot plants -- may have affected the results. The temperatures used to burn the cigarettes may also have been a factor. Marijuana smoke and tobacco smoke shared many of the same chemicals.