How are conditions of pressure and temperature, at which two phases coexist in equilibrium, shown on a phase diagram?

Asap! how does the distance between two objects affect the force of gravity? how is the moon dependent on the sun?

Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine

In the water cycle , when does water undergo a chemical change