Websites that end in .com or .org should be avoided.
Divide the mass of the compound in grams by the molar mass you just calculated. The answer is the number of moles of that mass of compound. For example, 25 grams of water equals 25/18.016 or 1.39 moles.
Mass and energy can not be created or destroyed, they may be able to just be converted, and neither one seems without the opposite. For this reason in closed systems, both mass and energy are conserved individually. " I hope this helps "
Answer:
C
Explanation:
Characteristics used to classify stars include color, temperature, size, composition, and brightness.
An alloy maybe could be used as a solid but i really don't think that would be it so i would sayether from an alloy or dirt
