How does the composition of a galaxy compare to the composition of the universe?

In which scenario is a chemical change occurring? A. A cup of ice cream is melting. B. A block of dry ice is sublimating. C. A section of iron fence is corroding. D. A flask of chlorine gas is condensing.

Jerry listed the following process on his notebook: 1. formation of dew on leaves 2. ice cubes turning into water 3. water drops on the outside of a glass of cold juice 4.

Which factors influence the salinity of ocean surface water? Choose all answers that are correct. A. Salt from the ocean is concentrated by iceberg formation. B. Rain adds more salt to the ocean. C.

Can dowels be chopsticks, since both of them are wood?

How are individual atoms of oxygen formed in the stratosphere?

What are not chemical properties of matter?!

Calculate the mass of water produced when 2.06 g of butane reacts with excess oxygen.

What describes color and streak?

What is a group of specialized cells called when they work together to perform a specific function?

What is the overall chemical equation for smog after the above intermediate reactions are combined?