A European automobiles gas mileage is 18km/L convert this quantity to miles per gallon by using dimensional analysis

Asample of silver (with work function ? = 4.52 ev) is exposed to an ultraviolet light source (? = 200 nm), which results in the ejection of photoelectrons. what changes will be observed if: silver is replaced with copper (? = 5.10 ev) more photoelectrons ejected no photoelectrons are emitted fewer photoelectrons ejected more energetic photoelectrons (on average) less energetic photoelectrons (on average)

What four properties do all waves have in common

What is the rate law for the uncatalyzed reaction?