A substance X2Z has the composition (by mass) of 40.0% X and 60.0 % Z. What is the composition (by mass) of the compound XZ2

Ted and emily played a mixed doubles tennis match against jack and brenda. in the second match. ted and brenda played against jack and emily. which type of chemical reaction does the situation demonstrate?

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?

Which of these is an intensive property of a substance