Explain why P2O5 is named dinitrogen pentoxide, using prefixes, but Al2O3 is named aluminum oxide, without prefixed.

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of