If a lake has a surface area of 13.5 km2 and an average depth of 17.4 m. What is the volume of the lake in Liters? ( Hint, a liter is the same as a dm3 . If you find the volume in km3 or m3 you can covert to dm3 to find liters)

(Hint #2 Don't forget that if the unit is cubed so is the conversion. if 1m = 10 dm then 1m3 = 103 dm3 )

What is the relation between concentration of reactants and the rate of chemical reaction?

Write the overall equation for the reaction for lithium battery

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.