For potassium metal, the work function φ (the minimum energy needed to eject an electron from the metal surface) is 3. 68 × 10−19 j. Which is the longest wavelength of the following which could excite photoelectrons?.

Students who cannot afford to pay the fee for the profile may be granted an automatic: a. scholarhship b. waiver c. fee d. loan

When you apply for a college what is the main thing that will get you accepted?

Anna’s mother prepares sauerkraut, a fermented dish made from finely cut cabbage and salt. lactobacillus bacteria present on the surface of the cabbage combine with salt to turn the cabbage into a crunchy, sour dish. what chemical process occurs to create this dish? a. alcoholic fermentation b. cellular respiration c. conservation d. lactic acid fermentation e. photosynthesis