Gold can be hammered into decorative gold leaf, which is only 1.00E-07m thick. If 1.35 troy ounce of gold is hammered into gold leaf, what is the area that can be covered when used for decoration? 1 troy ounce = 31.1g, and the density of gold is 19.3 g/cm^3

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

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

What atom has the largest atomic radius