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.
To the Editor: The presence of nicotine and its metabolite cotinine in the body fluids of nonsmokers is usually taken as evidence of exposure to environmental tobacco smoke. Recently, the Centers for Disease Control and Prevention studied 800 people, both smokers and nonsmokers, all of whom tested positive for urinary cotinine1.