Phase Diagram For. compound 2.5
2
1.5
Pro
40
50 60 700010110
Tempere)
At which point are solid and liquid at equilibrium?
A substance exists at low pressure and high temperature. What state of matter do these conditions represent?
What temperature is necessary for this substance to be in the liquid state if the pressure is 1 atm?
What happens if the pressure of 1.5 atm is held constant, but the temperature is changed from 60 C to 50 C?
What is the normal boiling point?

Adepositional also feature that forms where a stream enters a lake or an ocean is a

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .

Choose all the answers that apply. fluorine (f) has an atomic number of 9 and an atomic weight of 18.99. fluorine has a. 9 protons b. 10 neutrons c. 18 electrons d. an atomic mass of 19 e. at least one isotope