An artifact contains one-fourth as much carbon-14 as the atmosphere. how old is the artifact

An initial mixture of nitrogen gas and hydrogen gas is reacted in a rigid container at a certain temperature by the reaction At equilibrium, the concentrations are [H2] 5.0 M,[N 2] 8.0 M, and [NH3] 4.0 M.

1.) Which color is absorbed and which is reflected by the leaves of most plants?

How many moles of sodium metal are needed to make 3.6 moles of sodium chloride? Given the reaction: 2Na + Cl2 → 2NaCl

Economics is a social science that focuses on

Which method is the first step when scientists communicate their scientific results?

How are real gases different from ideal gases?

Which one doesnt belong in the list below? A. a meter B. one liter C. One centimeter D. one kilometer

Which elements did curies discover

When rubidium metal is exposed to air, two atoms of rubidium, Rb, combine with one atom of oxygen. If 1.98 grams of rubidium is exposed to air, what will be the mass of the product in grams

Fission reactions can get of of control without what taking place?