Aparticular compound has the empirical formula ch2o. its molar mass is 240.0 g/mol. predict the molecular formula for this compound.

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?

How many molecules are in 6.0 moles of methane

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: