Anyone know how to do this? so confusing. anything helps

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

What is the volume occupied by 10.0 dm3 of gas at standard pressure after it has been compressedat constant temputure to 500.0 kpa?

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?