Can a combustion reaction also be a synthesis reaction? I know that the reaction from burning magnesium is combustion reaction, but I'm not sure if it's also a synthesis reaction since the equation is Mg + O2 = MgO

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

Which element is the least metallic between cadmium, silver, zinc, or iron?

Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2