According to the laws of physics as scientist presently understand then when every is extinguished , all live in the universe will end.

What is an example of a physical property?

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

Why is the melting of ice a physical change ?