A scale of temperature in which absolute zero is zero and kelvins are used as units. A. Weight
B. Neutron
C. Periodic Law
D. Kelvin

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)

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units:

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned