Suppose that one of millikan's oil drops has a charge of −4.8×10−19 c. how many excess electrons

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?