When iron is burned, it combines with oxygen to form iron oxide. the table below shows the densities of all of these substances.

substance iron
oxygen
iron oxide
density
(g/cm3) 7.9 1.3 × 10-3 5.2
based on the information from the data table, which of these is a correct conclusion about the burning of iron?

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

Which of these is an intensive property of a substance

A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?