What was the initial molarity of a solution if after adding 66.7 mL of water you were left with 800mL of a 3.5M solution?

Why is the vapor pressure of a warm lake higher than the vapor pressure of a cold lake? o a. warm water has a greater heat of vaporization. ob. warm water evaporates more quickly. cool water evaporates more quickly. od. cool water has a greater heat of vaporization.

Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?