What happens to electrons in the photoelectric effect? A. They are made to orbit faster.
B. They are added to atoms.
C. They are knocked away from atoms.
D. They are turned into light.

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water