Jacob's teacher shows his class a shaker filled with table salt. Jacob thinks that the salt in the shaker looks like a s
Jacob's teacher then magnifies the salt and shows it to the class.
Based on the magnified picture, Jacob can tell that the salt in the shaker is made up of
A. many tiny pieces.
B. a clear liquid.
C. one large piece.
D. an invisible gas.

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

What are the similarities of physical and chemical change ?

The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.