A group of students observed the formation of bubbles when water boiled. What happened to matter because of the physical change to the
water?
New matter was created in the bubbles
Old matter was destroyed as the water turned to gas
Matter was conserved when it changed form
The composition of the matter changed

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.

A2.5% (by mass) solution concentration signifies that there is a 2.5 % (by mass) solution concentration signifies that there is blank of solute in every 100 g of solution. of solute in every 100 g of solution

How many peaks will be present in a mass spectrum for brcl?