Express each aqueous concentration in the unit indicated. a). 25 mg of trichloroethylene in 9.5 l of water, as ppb of trichloroethylene b). 38 g cl2 in 1.00x 104 l of water, as ppm cl2 c). 2.4 ppm f -, as molarity of fluoride ion, in [mol f - /l] d). 45 ppm no3 -, as molarity of nitrate ion in [mol no3 - /l] e). why do some scientists prefer to express concentrations of water contaminants in the units ppm and ppb rather than molarity

As you watch a surfer ride a wave towards the shoreline, what is the shoreline? a) displacement reference b) reference point c) coordinate plane d) cartesian boundary

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never