How many atoms are present in a 0.600- mole sample of gold?

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

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

The fact that the total amount of energy in a system remains constant is a(n)