Wendy wants to find out if a substance is an acid or a base. What are two ways that Wendy could investigate to find out what kind of substance it is?

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 did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?