The chemical equation, Cr + Fe(NO3)3 → Fe + Cr(NO3)3, is an example of which type of reaction?

How much heat is released upon converting one mole of steam (18.0 g) from 100.0 ∘c to water at 25.0 ∘c? show work and constants, trying to figure out how it works. only given the heat capacity for steam and water so try to only use that

How have the greenhouse gasses increased from the year 2000 to 2018

Stage in which a star’s outer layers have started to cool and grow outward?