In the lab we looked at the density (an intensive property) of two different sets of pennies to help identify the element from which each is made. In order to evaluate this, two extensive properties were measured. How can it be that two extensive properties can be used to describe something intrinsic to the substance (intensive)?

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !