Which of the following can be observed without changing the identity of a substance? Select all that apply.
Flammability
Reactivity
Density
Boiling point

How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.

What conclusion can you draw from this experiment about the components of the black ink?