When boiling water begins to turn to steam, which of the following remains the same in both the liquid and the vapor?
a. phase
b. density
c. volume
d. temperature

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Match each statement with the state of matter it describes

How many moles in .5g of sodium bromide?