What makes matter? List the different types of movement in nature?
List the bodies that are made up of:
a) one substance
b) more substances
What are the common features:
a) ice, water and water vapor
b) water, gasoline, mercury
c) a piece of chalk, sugar, cheese

A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m

Does a energy transformation happen when you drop your pencil

The compound hcl is an example of a(n) (2 points) covalent compound ionic compound element salt