As an electromagnetic wave travels through space, it a) become stronger
b) keeps changing direction
c) loses energy to the medium
d) spreads out over a larger area

If the same amount of cacl2 is added to equal volumes of water and maple syrup, which will have the higher temperature?

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

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?