The color of an object that the human eye senses depends on the color of light that shines on the object and the color of light that is reflected or absorbed by the object. if white light shines on an object and the object appears blue, this means that

Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.

4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.

What is the oxidation state of each individual carbon atom in c2o42−?