What is the mass in grams (g) of 0.38 moles of Iron (Fe)? (Round to the nearest 10th place (0.0))
• (Do not include units in your answer, just the number)

What does the process of natural selection involve

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.

The earth's surface is (science) a: studied using seismic waves b: constantly changing over time c: only studied indirectly d: the same today as million of years