Calculate the pressure exerted on an elevator floor which has an area of 6 m2, if 20 people whose combined force is 1500 N are standing on it.

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

How do you lengthen a pattern piece? (family and consumer science, sewing)

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.