- Explain how the reaction of a flame to carbon dioxide is different from the
reaction of a flame to hydrogen in terms of cause and effect.

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

An observation that requires measurement is called quantitative observable or qualitative

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear