To explain the photoelectric effect, albert einstein linked the photoelectric effect to an idea from which scientist? a. heinrich hertz b. isaac newton c. max planck d. thomas young

What is the mass of 0.46 mol of mgcl2

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2