a student has 15.85 g of iron metal. answer the following questions and show your work! a. how many moles of iron does the student have? ​

An occluded front moves over the farmland that has been experiencing drought conditions. what change in weather will this front likely bring? a. gray skies, but no rain b. an extended period of rain c. more dry air and sunny skies d. violent, short-lived thunderstorms

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

What are transitions between a liquid and gas called? identify which way they are transitioning