Ayuda!! la masa de un objeto es de 60 kg . Si pesa 75 N en un asteroide ¿Cual es la gravedad en el asteroide ?

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

Particles vibrate in a rigid structure and do not move relative to their neighbors.

Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?